Joel Sartore Joel Sartore

National Geographic Photographer and Speaker


Joel is the founder of the Photo Ark, a groundbreaking effort to document species before they disappear—and to get people to care while there’s still time.

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Explore the Photo Ark

Search the 49,036-picture Photo Ark for an animal or species. Scroll down to see every species in the Ark … if you’ve got all day.

  • 14,764 species in Photo Ark as of today
    Explore the Photo Ark Search the [photoark_count]-picture Photo Ark for an animal or species.
  • 25 years to document every species in human care
Photo: Captive gray wolf at the International Wolf Center in Ely, MN.

Gallery

In the Field

Explore the best wildlife images from Joel’s 25+ year career from tree climbing lions in Africa, penguins in Antarctica to wild parrots of the Amazon. Don’t see an image that you’re looking for? Use the search field at the top of this page to type in the species or subject you’d like to find.

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Photo: An Edwards's fig parrot (Psittaculirostris edwardsii) at Loro Parque Fundacion.

Gallery

The Photo Ark

See some of the most powerful, interesting, and popular images from the Photo Ark.

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Gallery

Behind the Scenes

Take a look behind the scenes as Joel travels the world photographing on assignment and for the Photo Ark.

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  • Solomon Island leaf frog or eyelash frog (Ceratobatrachus guentheri) at the Fresno Chaffe Zoo.
  • Photo: Chihuahuan mountain kingsnake (Lampropeltis pyromelana knoblochi) at the Arizona-Sonora Desert Museum.
  • Photo: Purple mort bleu (Eryphanis polyxena) at Butterfly Pavilion in Westminster, Colorado.
  • Photo: Javan barking deer (Muntiacus muntjak muntjak) at Bali Zoo.
  • Photo: Banded knifefish (Gymnotus carapo) at L'aquarium tropical du palais de la Porte DorŽe.
  • Nene geese (Branta sandvicensis) at the Great Plains Zoo, Sioux Falls, South Dakota. (IUCN: Vulnerable; US: Endangered)
  • A Socotra Island Blue Baboon (Monocentropus balfouri) at Museum of Nature South Tyrol.
  • Picture of a harlequin duck (Histrionicus histrionicus) at the Cincinnati Zoo.
  • A Choctawhatchee beach mouse (Peromyscus polionotus allophrys) a federally endangered rodent, at the USFWS office in Panama City, FL. This and several other beach mice subspecies are imperiled due to beach development.
  • Photo: A butterfly mussel (Ellipsaria lineolata) at the Genoa National Fish Hatchery.
  • Picture of a greater yellowlegs (Tringa melanoleuca) at the Tulsa Zoo.
  • Photo: Clouded yellow butterfly (Colias croceus) at Graham's Quinta dos Malvedos Vineyard.
  • A female Mt. Kilimanjaro two-horned chameleon or dwarf Fischer's chameleon (Kinyongia tavetana) from Omaha Henry Doorly Zoo
  • The green-legged morph of a sira poison frog (Ranitomeya sirensis) from a private collection
  • Picture of a federally endangered, American alligator (Alligator mississippiensis) at the Kansas City Zoo.
  • Photo: A tawny coaster (Acraea terpsicore) at Zoo Negara in Kuala Lumpur, Malaysia.
  • A rhinoceros snake (Rhynchophis boulengeri) at the St. Louis Zoo.
  • Photo: A Ganzhorn’s mouse-lemur (Microcebus ganzhorni) at the Plzen Zoo in the Czech Republic.
  • Photo: A Biak tree monitor (Varanus kordensis) at Hogle Zoo.
  • A crevice spiny lizard (Sceloporus poinsettii) at the Rolling Hills Wildlife Adventure in Salina, KS
  • Picture of a pink tongue skink (Hemisphaeriodon gerrardii) at the Lowry Park Zoo, Tampa, Florida.
  • Photo: Plain parakeet, Brotogeris tirica, at Loro Parque Fundacion.
  • Photo: A mangarahara cichlid (Ptychochromis insolitus) a critically-endangered fish from Madagascar.
  • Photo: A Northern sunfish (Lepomis peltastes) from a private collection in Knoxville, Tennessee.
  • Photo: A Tanzanian blue leg centipede (Ethmostigmus trigonopodus) at Museum of Nature South Tyrol.
  • Photo: Devil Crayfish, Cambarus diogenes, at the Crayfish lab in West Liberty University in West Liberty, WV. This specimen is from Raleigh, NC.
  • Photo: A Tokay gecko (Gekko gecko) from a private collection.
  • Photo: A spectacled owl (Pulsatrix perspicillata chapmani) at Zoologico de Quito.
  • Photo: An Adanson’s mud turtle (Pelusios adansonii) at the Turtle Survival Center.
  • Photo: A Kalat Pakistan red scorpion (Hottentotta flavidulus) at Verve Biotech in Waverly, Nebraska.
  • A red-mantled saddle-back tamarin (Saguinus lagonotus) at the Plzen Zoo in the Czech Republic.
  • Photo: A tawny eagle (Aquila rapax) at Sia, the Comanche Nation Ethno-Ornithological Initiative.
  • Photo: Razor-billed curassow (MItu tuberosum) at Melbourne Zoo.
  • Photo: A Florida cormorant (Phalacrocorax auritus floriduanus) at the Jacksonville Zoo and Gardens, Jacksonville, Florida.
  • Photo: A pair of North African ostrichs (Struthio camelus camelus) photographed at Al Bustan Zoological Centre, UAE. The male is on the left and the female is the more brown bird on the right.
  • Photo: A pentabanded croaking frog (Scinax quinquefasciatus) at Centro Jambatu in Quito, Ecuador.
  • Photo: A Sechuran fox (Pseudalopex sechurae) at Parque Zoológico Huachipa in Lima, Peru.
  • Photo: A Domergue's leaf chameleon (Brookesia thieli) in Madagascar.
  • Photo: A female, nineteen year old, eastern black rhinoceros named Bibi (Diceros bicornis michaeli) at the Sedgwick County Zoo in Wichita, Kansas.
  • Photo: Brown trout (Salmo trutta fario) at the Environmental Education Center of the Ribeiras de Gaia.
  • Photo: A hairy mushroom coral (Rhodactis indosinensis) at the Great Lakes Aquarium in Duluth, Minnesota.
  • Critically endangered male Bali myna (Leucopsar rothschildi) at Lisbon Zoo.
  • Photo: Guatemalan amazon, also called Costa Rican mealy Amazon, Amazona guatemalae virenticeps, at Loro Parque Fundacion.
  • An endangered male northern yellow-cheeked gibbon (Nomascus annamensis) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. The animal’s name is ‘Bin’.
  • Photo: A hickory horned devil caterpillar (Citheronia regalis x splendens) at the University of Nebraska in Lincoln, Nebraska.
  • A critically endangered (IUCN) and federally endangered hawksbill turtle (Eretmochelys imbricata) at the XCaret Resort in Mexico.
  • Picture of a vulnerable kea (Nestor notabilis) at the Wellington Zoo.
  • Picture of a tropical mockingbird (Mimus gilvus) at the National Aviary of Colombia.
  • Picture of an endangered female Bengal tiger (Panthera tigris tigris) at Alabama Gulf Coast Zoo.
  • Photo: A great myna (Acridotheres grandis) at Phnom Tamao Wildlife Rescue Center - Wildlife Alliance.
  • Picture of a Haitian dwarf boa (Tropidophis haetianus) at the Parque Zoologico Nacional in Santo Domingo, Dominican Republic.
  • Photo: A brush-tail tang (Zebrasoma scopas) at the Zoological Society of London.
  • A yellow-naped Amazon parrot (Amazona auropalliata auropalliata) at the Sedgwick County Zoo.
  • Photo: Hepatic tanager (Piranga flava) at the National Aviary of Colombia (Aviario Nacional de Colombia).
  • A yellow-faced bumblebee (Bombus vosnesenskii) at A Rocha Brooksdale Environmental Center in Surrey, BC.
  • Photo: A two spot crayfish, Cambarus graysoni, wild caught near West Liberty, West Virginia.
  • Picture of a near threatened Tibetan white-eared pheasant (Crossoptilon crossoptilon drouyni) at Pheasant Heaven, a private pheasant breeding center near Clinton, NC.
  • Barking treefrog (Hyla gratiosa) at the National Aquarium in Baltimore.
  • Photo: A common house cricket (Acheta domestica).
  • Photo: A female conehead katydid (Subria sp.) from the Tapir Valley, Costa Rica.
  • Photo: A cellar spider (Crossopriza lyoni) carrying its eggs, at the Audubon Insectarium, part of the Audubon Nature Institute.
  • A critically endangered (IUCN) and federally endangered red wolf (Canis rufus gregoryi) at the Great Plains Zoo.
  • A Tuxtlan jumping pitviper or Olmecan pitviper (Atropoides olmec) at the Chapultepec Zoo, Mexico City, Mexico.
  • A Chaco golden knee tarantula (Grammostola pulchripes) at the Audubon Zoo in New Orleans, Louisiana.
  • Photo: An adonis pleco or polka dot lyre-tail pleco (Acanthicus adonis) at L'aquarium tropical du palais de la Porte DorŽe.
  • Photo: An Amazonian poison frog (Ranitomeya amazonica) from Allphahuaya Mishana National Reserve, Peru.
  • Photo: Virile crayfish (Faxonius virilis) at the Milford Nature Center.
  • Photo: Mysid shrimp (Americamysis bahia) at Ripley's Aquarium of Canada.
  • A banded rubber frog (Phrynomantis bifasciatus) at Reptile Gardens.
  • A variable reed frog (Hyperolius pictus) at the Vancouver Aquarium.
  • A red fox (Vulpes vulpes vulpes) at Nebraska Wildlife Rehab.
  • Photo: A group of African wild dogs (Lycaon pictus) at Zoo Boise, Idaho, USA.
  • Photo: Single wattled cassowary (Casuarius unappendiculatus unappendiculatus) at the Avilon Zoo.
  • A dusky jawfish (Opistognathus whitehursti) at the Denver Zoo.
  • Photo: An Appalachian red ruffed grouse (Bonasa umbellus monticola) at Grouse Park Waterfowl in Cascade, Idaho.
  • A female, critically endangered Northern white-cheeked gibbon with her year-old baby (Nomascus leucogenys) at the Gibbon Conservation Center.
  • Photo: A female Andean fox (Lycalopex culpaeus andinus) at Huachipa Zoo in Lima, Peru.
  • Photo: Canary cylindrical skink (Chalcides viridanus) at Wroclaw Zoo.
  • Picture of a regal fritillary (Speyeria idalia) at the Minnesota Zoo.
  • A picture of a red-shouldered hawk (Buteo lineatus lineatus) at the Sutton Avian Research Center.
  • Photo: A jewel leopard wrasse (Macropharyngodon lapillus) at De Jong Marinelife in Spijk, Netherlands.
  • An endangered (IUCN) and federally endangered bonobo (Pan paniscus) at the Columbus Zoo.
  • Portrait of a male northern bobwhite quail (Colinus virginianus).
  • A blotched or banded tiger salamander (Ambystoma mavortium melanostictum) at the National Mississippi River Museum and Aquarium, Dubuque, Iowa.
  • A scorpion (Lurus duforeius) at the University of Porto in Portugal
  • Photo: A brown necked parrot (Poicephalus fuscicollis) at the Jurong Bird Park.
  • Photo: A stick insect (Eucarcarus sp.) from the University of the Philippines.
  • Picture of Rajah, an endangered, male, white Bengal tiger (Panthera tigris tigris) at Alabama Gulf Coast Zoo.
  • Photo: Swallowtail seaperch (Anthias anthias) at Loro Parque.
  • A picture of a lineated barbet (Psilopogon lineatus) at the Jurong Bird Park.
  • Picture of an orange-fronted parakeet (Eupsittula canicularis eburnirostrum) from a private collection.
  • Picture of an endangered white-tailed black cockatoo (Calyptorhynchus baudinii) at the Lowry Park Zoo.
  • Photo: Marginated tortoises (Testudo marginata) at the Gladys Porter Zoo.
  • Photo: An endangered adult Carolina madtom (Noturus furiosus) at Conservation Fisheries in Knoxville, Tennessee.
  • Photo: An Asian clam (Corbicula fluminea) at the West Liberty University Crayfish Conservation Lab in West Liberty, West Virginia.
  • Photo: A Vietnamese walking stick (Baculum extradentatum) at the Kansas City Zoo.
  • Photo: African wild cat, (Felis silvestris ocreata) at the Moscow Zoo. This cat is named Demi Moore.
  • Photo: An edible sea cucumber (Holothuria edulis) at the Sharjah Aquarium in Sharjah, United Arab Emirates.
  • Photo: A mealworm beetle (Tenebrio molitor) at the Butterfly Pavilion.
  • Photo: A male lesser bird-of-paradise (Paradisaea minor) at the Dallas World Aquarium.
  • Photo: A male black howler monkey (Alouatta caraya) named ‘Tater’ at the John Ball Zoo.
  • Photo: Bobcat at the Miller Park Zoo.
  • Photo: A female palm cockatoo (Probosciger aterrimus goliath) at Loro Parque Fundacion.
  • Photo: Hardhead minnow (Mylopharodon conocephalus) at the University of California, Davis.
  • Photo: A male Central American mud turtle (Kinosternon angustipons) at Turtle Island.
  • Picture of a male black-naped fruit dove (Ptilinopus melanospila) at the Oklahoma City Zoo.
  • Photo: A male common waterbuck (Kobus ellipsiprymnus ellipsiprymnus) at the Lisbon Zoo
  • Photo: Gambian giant pouched rat (Cricetomys gambianus) in the Kids ZooU section of the Philadelphia Zoo.
  • A picture of a common gallinule (Gallinula galeata pauxilla) at the National Aviary of Colombia.
  • Photo: Common rough woodlouse (Porcellio scaber) at the Exmoor Zoo.
  • Picture of a Northern ronquil (Ronquilus jordani) at the Alaska SeaLife Center.
  • Picture of a snow goose (Chen caerulescens) in blue phase.
  • Photo: A banded water snake (Nerodia fasciata fasciata) at Reptile Gardens.
  • Photo: A Peru white-lipped frog (Leptodactylus rhodonotus) at Museo De Historia Natural "Alcide d'Orbigny".
  • Picture of an endangererd northern helmeted curassow (Pauxi pauxi) at the Dallas World Aquarium.
  • A superb starling (Lamprotornis superbus) at the Omaha Zoo.
  • Photo: Reedfish (Erpetoichthys calabaricus) at Moscow Zoo.
  • A side-striped palm pit viper (Bothriechis lateralis) at the Houston Zoo, Houston, Texas.
  • Photo: Chica, an ornate lorikeet (Trichoglossus ornatus) at the Boonshoft Museum.
  • Photo: A male Jones’s silver pheasant (Lophura nycthemera jonesi) at a private collection.
  • Smallmouth bass (Micropterus dolomieu) at the Genoa National Fish Hatchery.
  • A picture of a marsh mongoose (Atilax paludinosus spadiceus) named Nino at Park Assango, ONG Animal's World in Libreville, Gabon.
  • Photo: A juvenile large-headed capuchin monkey (Sapajus macrocephalus) from the Coari area of Amazona, Brazil.
  • Photo: A rock prickleback (Xiphister mucosus) from San Francisco Bay. Photographed at the East Bay Regional Parks Mobile Education Program.
  • Picture of orange-breasted waxbills (Amandava subflava) from a private collection.
  • Picture of a truncate coralfish (Chelmonops truncatus) at Omaha's Henry Doorly Zoo and Aquarium.
  • Photo: A scarlet shiner (Lythrurus fasciolaris) from North Fork Creek, Bedford County, Tennessee.
  • Photo: A male Upper Duck River form of a big claw crayfish (Faxonius cf. placidus) in Tennessee.
  • A five-week-old endangered golden conure (Guaruba guarouba) at the Sedgwick County Zoo, Wichita, Kansas.
  • Photo: An endangered Sacramento perch (Archoplites interruptus) at East Bay Regional Park District.
  • A picture of a male Harlequin quail (Coturnix delegorguei delegorguei) at Safari Park Dvur Kralove.
  • Photo: A male white-winged crossbill (Loxia leucoptera leucoptera) photographed at the Wildlife Rehabilitation Center of Minnesota.
  • A yellow-legged gull (Larus michahellis michahellis) at the Wildlife Rescue Center of Rome (LIPU).
  • A Sonoran desert toad (Incilius alvarius) at the Tulsa Zoo.
  • Photo: Huarani Otocinclus catfish (Otocinclus huaorani) at a private collection in Gainesville, Florida.
  • A vulnerable Egyptian spiny-tailed Lizard (Uromastyx aegyptia) at the Buffalo Zoo.
  • Natal multimammate mice (Mastomys natalensis), trapped during the bioblitz, seem almost to be plotting their escape. Two of them had in fact disappeared into tall grass before a photograph could be taken. A couple of local kids ran into the field and came back with the mice in hand just a few moments later. Residents of Mount Gorongosa often hunt rodents for food.
  • A narrow-bridged musk turtle (Claudius angustatus) at the Chapultepec Zoo in Mexico City.
  • Photo: A Prince Charles stream frog (Hyloscirtus princecharlesi) at Centro Jambatu in Quito, Ecuador.
  • Western toad (Anaxyrus boreas) at the Sunriver Nature Center in Deschutes County, OR.
  • An endangered Malagasy giant jumping rat (Hypogeomys antimena).
  • An endangered, mint morph, male terrible poison dart frog (Phyllobates terribilis) from a private collection. The male carries several tadpoles on his back. In the wild, males carry tadpoles to places where they can grow protected from predators. Often, they use the pools of water that collect in bromeliad plants, high in trees.
  • Gray comma (Polygonia progne) from a mix of prairie and woodlands near Cross Lake, Minnesota.
  • Photo: A Vulnerable (IUCN) Malagasy salamander gecko (Matoatoa brevipes) from a private collection.
  • Photo: Tamaulipas shiner (Notropis braytoni) at the Albuquerque BioPark's Aquatic Conservation Facility (ACF).
  • European long-eared owl (Asio otus) from the Budapest Zoo.
  • Solange, a federally endangered female pygmy rabbit (Brachylagus idahoensis). She was born in May of 2007. She is 81.5% Columbia Basin pygmy rabbit, and the rest is the Idaho race. Since there are no male Columbia Basin pygmy rabbits left, this means only animals intercrossed with the Idaho race will survive.
  • Photo: A willow grouse (Lagopus lagopus lagopus) at Lundi Farm in Verl, Germany.
  • A 10-year-old Schmidt's guenon (Cercopithecus ascanius schmidti) at Zoo Atlanta. This animal's name is Jasiri or J.J.. He is very protective, fun and is the most curious of any monkey at the zoo. Jasiri is really smart and likes to train with his keepers. He enjoys eating peanuts, grapes and craisins.
  • Picture of a Pacific littleneck clam (Protothaca staminea) at the Alutiiq Pride Shellfish Hatchery in Seward, AK.
  • Florida green water snake (Nerodia floridana) at the Archbold Biological Station.
  • Photo: A lesser spotted eagle (Aquila pomarina) at Sia, the Comanche Nation Ethno-Ornithological Initiative.
  • Photo: An ocellated gecko (Sphaerodactylus argus) at Josh’s Frogs in Michigan.
  • Picture of a vulnerable male long tailed duck or oldsquaw (Clangula hyemalis) in summer plumage at Patuxent Wildlife Research Center
  • A picture of a brown long-eared bat or common long-eared bat (Plecotus auritus auritus) at the Moscow Zoo.
  • Photo: An ample elimia (Elimia ampla) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL.
  • Picture of a vulnerable Hispaniolan or Haitian slider turtle (Trachemys decorata) at the Bermuda Aquarium, Museum and Zoo.
  • Photo: A male tailless whipscorpion (Paraphrynus laevifrons) from the University of Nebraska-Lincoln.
  • Photo: A helmeted friarbird (Philemon buceroides neglectus) at Ragunan Zoo in Jakarta, Indonesia.
  • Photo: A Big Bend slider (Trachemys gaigeae) at the Tennessee Aquarium.
  • Picture of a critically endangered lemur leaf frog (Agalychnis lemur) at the National Aquarium in Baltimore.
  • Photo: Striped kelpfish (Gibbonsia metzi) at East Bay Regional Park District.
  • Photo: A Senegal flapshell turtle (Cyclanorbis senegalensis) at Safari Park Dvur Kralove.
  • A picture of a federally endangered pink pigeon (Nesoenas mayeri) at the Sedgwick County Zoo.
  • Photo: La Hotte bush frogs (Eleutherodactylus bakeri) at the Philadelphia Zoo. This species is found in Haiti and is critically endangered.
  • Photo: An unidentified forest crab from the Tapir Valley of Costa Rica.
  • Picture of a pygmy hippopotamus (Choeropsis liberiensis liberiensis) named Betty at the Omaha Zoo. Listed as endangered (IUCN)
  • Photo: A smooth helmeted iguana (Corytophanes cristatus) from the Tapir Valley of Costa Rica.
  • Photo: A tubenose Poacher (Pallasina barbata) and bay Pipefish (Syngnathus leptorhyncus) at the Alaska SeaLife Center in Seward, AK.
  • Photo: A cobia (Rachycentron canadum) at the Virginia Aquarium.
  • The endangered grey gibbon (Hylobates muelleri muelleri) may not be seen in captivity much longer. There are now too few in captivity to keep their population sustained and too few in the wild to bring more in. With limited space and funding, zoos must make hard choices every year in deciding which species to breed and which to let go, or 'phase out'.
  • Photo: A Hoffmann's two-toed sloth (Choloepus hoffmanni) at the Lincoln Children's Zoo in Lincoln, Nebraska.
  • Photo: Southwestern gray fox (Urocyon cinereoargenteus scottii) at Southwest Wildlife Conservation Center.
  • Photo: A Javan yellow-throated marten (Martes flavigula robinsoni) at the Nashville Zoo in Tennessee.
  • A federally endangered Plymouth red-bellied turtle (Pseudemys rubriventris) sometimes called the Plymouth red-bellied cooter, at the Buttonwood Park Zoo in New Bedford, Massachusetts. This was the first freshwater turtle species in the United States to be listed as endangered.
  • A picture of an endangered toady rainfrog (Strabomantis bufoniformis) at Zoo Atlanta in Georgia.
  • Photo: A southwestern red-tailed hawk, Buteo jamaicensis fuertesi, at Wild At Heart in AZ.
  • Picture of a Caspian pond turtle (Mauremys caspica) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Juvenile mink (Neovison vison).
  • Photo: A Ohio lamprey (Ichthyomyzon bdellium) collected on the Little River near Maryville Tennessee.
  • Photo: A lesser hedgehog tenrec (Echinops telfairi) at the Lincoln Children’s Zoo in Lincoln, Nebraska.
  • Photo: A Stella's lorikeet (Charmosyna papou) at a private collection in Jakarta, Indonesia.
  • A sable antelope (Hippotragus niger) at the Gladys Porter Zoo.
  • Photo: A catspaw coral (Stylophora pistillata) at Omaha’s Henry Doorly Zoo and Aquarium.
  • A picture of a lesser kudu (Tragelaphus imberbis) at Zoo Atlanta.
  • A lesser goldfinch (Carduelis psaltria) at the Brown Ranch, Texas.
  • Photo: Western yellow headed amazon (Amazona oratrix oratrix) at Loro Parque Fundacion.
  • A picture of a redbreast tilapia (Coptodon rendelli) at L'aquarium tropical du palais de la Porte DorŽe.
  • Picture of a New York weasel (Mustela frenata noveboracensis) at the John Ball Zoo in Grand Rapids, Michigan.
  • Picture of a federally endangered, American alligator (Alligator mississippiensis) at the Kansas City Zoo.
  • Photo: A sand shiner (Notropis stramineus) photographed at Schramm Education Center, Gretna, Nebraska.
  • Photo: Garden carpet moth (Xanthorhoe fluctuata) at Graham's Quinta dos Malvedos Vineyard.
  • Photo: An intricate satyr (Hermeuptychia intricata) at Tall Timbers Research Station and Land Conservancy in Tallahassee, Florida.
  • Vulnerable Pinyon jay (Gymnorhinus cyanocephalus) at the University of Nebraska-Lincoln. This and other corvid species are studied to learn how cognition evolved, how animals use cognitive abilities to solve problems in nature and how cognitive abilities can affect the evolutionary process.
  • Photo: A female desert bighorn sheep (Ovis canadensis nelsoni) at the Arizona-Sonora Desert Museum in Tucson, AZ.
  • Photo: African wildcat (Felis silvestris ocreata) at the Moscow Zoo.
  • Boulder darter (Etheostoma wapiti), a vulnerable (IUCN) and federally endangered species, at Conservation Fisheries, a native stream fish breeding center.
  • Photo: Mountain parakeet (Psilopsiagon aurifrons aurifrons) at Loro Parque Fundacion.
  • A male mimic poison frog (Ranitomeya imitator) with a single tadpole on his back, from a private collection.
  • Critically endangered (IUCN) and federally endangered Panamanian golden frogs (Atelopus zeteki) in amplexus (in which the male rides the female prior to breeding) at Riverbanks Zoo.
  • Photo: An Anthony's poison arrow frog (Epipedobates anthonyi) at Josh’s Frogs in Owosso, Michigan.
  • Photo: A band-bellied owl (Pulsatrix melanota melanota) at Huachipa Zoo in Lima, Peru.
  • Picture of a western mud snake (Farancia abacura reinwardtii) at the Oklahoma City Zoo.
  • Photo: Pinecone soldierfish (Myripristis murdjan) at Loro Parque.
  • Photo: A blue banded morpho (Morpho achilles) at the Pilpintuwasi Butterfly Farm and Amazon Animal Orphanage.
  • Photo: A Southern band-tailed pigeon (Patagioenas (fasciata) albilinea) at the Nashville Zoo in Nashville, Tennessee.
  • Photo: A Club tail iguana (Ctenosaura quinquecarinata) at Prague Zoo.
  • Photo: A South American mountain lion (Puma concolor puma) at the Zoológico Nacional de Chile (Chilean National Zoo).
  • A picture of an Ansell's mole rat (Fukomys anselli) at the Berlin Zoo in Germany.
  • A vulnerable 1-year-old fossa, Cryptoprocta ferox, at the Omaha Zoo. This is Madagascar's largest mammalian predator, and its numbers are declining in the wild.
  • Picture of a male Himalayan monal pheasant (Lophophorus impejanus) at Pheasant Heaven, a private pheasant breeding center near Clinton, NC.
  • Photo: Blue-foot baboon (Idiothele mira) at the Moscow Zoo.
  • Photo: A purple tree spider (Tapinauchenius violaceus) at the Moscow Zoo.
  • Picture of a Cutthroat trout (Oncorhynchus clarkii) at the Loveland Living Planet Aquarium.
  • Two Peruvian firesticks (Oreophoetes peruana) at the Fort Worth Zoo.
  • Photo: A Florida cottonmouth (Agkistrodon piscivorus piscivorus) at Reptile Gardens.
  • An Espada's marsupial frog (Gastrotheca testudinea) at Pontificia Universidad Católica del Ecuador.
  • A zookeeper holds a Madagascar reed frog (Heterixalus madagascariensis) at the Omaha Zoo.
  • A three-month-old baby chimpanzee (Pan troglodytes) named Ruben at Tampa's Lowry Park Zoo. Listed as endangered (IUCN) and federally endangered
  • Photo: An Arabian carpetshark (Chiloscyllium arabicum) at the Great Lakes Aquarium in Duluth, Minnesota.
  • Photo: The fan of a male Colorado dusky ‘blue’ grouse (Dendragapus obscurus obscurus) at Grouse Park Waterfowl in Cascade, Idaho.
  • Photo: A Belize yellow headed amazon (Amazona oratrix belizensis) at the Jurong Bird Park.
  • Photo: A southern hognose snake (Heterodon simus) in red and white color phases, at a private collection.
  • An eastern black-and-white colobus monkey (Colobus guereza) at the Columbus Zoo.
  • Photo: A vulnerable, federally threatened male Steller's eider (Polysticta stelleri) at the Alaska SeaLife Center.
  • Nene geese (Branta sandvicensis) at the Great Plains Zoo, Sioux Falls, South Dakota. (IUCN: Vulnerable; US: Endangered)
  • Photo: A critically endangered, male Javan blue flycatcher (Cyornis banyumas) at the Prigen Conservation Breeding Ark in Indonesia.
  • Photo: A shining African stag beetle (Mesotopus tarandus) at the Audubon Insectarium, part of the Audubon Nature Institute.
  • Photo: A critically endangered Javan slow loris (Nycticebus javanicus) at Night Safari, part of Wildlife Reserves Singapore.
  • A smooth green snake (Opheodrys vernalis) collected in Virginia.
  • Photo: A seminole bat (Lasiurus seminolus) at the Austin Bat Refuge.
  • Variable seedeater (Sporophila corvina) at the Sedgwick County Zoo.
  • Critically endangered (IUCN) and federally endangered Cumberlandian combshell (Epioblasma brevidens) taken from the Clinch River near Sneedville. These mussels and many others are in danger of extinction due to habitat loss due such as impoundments and pollution. Pollution from coal mining in the Clinch River watershed is of special concern. The fine sedimentation that comes downstream from the mines is thought to impede mussel survival.
  • A picture of a green whip snake (Hierophis viridiflavus carbonarius) at Reptiland in Riva del Garda Italy.
  • Photo: Giant wood rail (Aramides ypecaha) in Choussy, France.
  • Photo: A Mozambique ridged frog (Ptychadena mossambica) from Gorongosa National Park.
  • Photo: African wood owl (Strix woodfordii) at Monticello Center in Italy.
  • Photo: A carmine shiner (Notropis percobromus) at the Oklahoma Aquarium in Jenks, OK.
  • A picture of a rufous-sided towhee or Eastern towhee (Pipilo erythrophthalmus alleni) at Tall Timbers Research Station and Land Conservancy.
  • Photo: A male Wadi racer (Platyceps rhodorachis) at Arabia’s Wildlife Centre in Sharjah, United Arab Emirates.
  • Photo: A critically endangered North African cheetah (Acinonyx jubatus hecki) at the Al Wathba Breeding Center in Abu Dhabi, United Arab Emirates.
  • Photo: A Palm cockatoo (Probosciger aterrimus aterrimus) at Jurong Bird Park.
  • Photo: A buffy fish owl (Ketupa ketupu aagaardi) at the Prague Zoo.
  • Photo: Spotted tiger glasswing (Tithorea tarricina) at the San Antonio Zoo.
  • A broken striped newt (Notophthalmus viridescens dorsalis) at the North Carolina Zoo.
  • Photo: A yellow-backed ornamental tarantula, Poecilotheria smithi, from a private collection.
  • Picture of an endangered otago skink (Oligosoma otagense) at the Auckland Zoo.
  • A Rio Grande leopard frog (Lithobates berlanderi) at the Vancouver Aquarium.
  • Photo: An Indonesian spitting cobra (Naja sputatrix) in Jakarta, Indonesia in the care of PT. Alam Nusantara Jayatama.
  • Picture of a yellow-faced turtle (Emydura tanybaraga) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: Two deertoe mussels (Truncilla truncata) from the St. Croix River near Lakeland, MN. A male is on the left and a female is on the right.
  • A pixie frog (Pyxicephalus adspersus) at Scaly Dave's Herp Shack.
  • Photo: A Cape batis (Batis capensis erythropthalma) from the Mt. Gorongosa range in Mozambique, Africa.
  • Photo: A male jumping-spider (Habronattus brunneus) at the University of Florida in Gainesville.
  • Photo: A male black-and-white warbler (Mniotilta varia) from a bird banding study near Hudson, Wisconsin.
  • Photo: A bean goose (Anser fabalis) at the Plzen Zoo.
  • Photo: A Cameroon forest treefrog (Leptopelis brevirostris) from Bioko Island, Equatorial Guinea.
  • Photo: A male Kordofan aoudad (Ammotragus lervia) at the San Diego Zoo Safari Park in Escondido, California.
  • Photo: A one-month-old Greater Swiss mountain dog puppy in Choussy, France.
  • Photo: A one-month-old Greater Swiss mountain dog puppy in Choussy, France.
  • Glasswing or clearwing (Greta oto) at the Henry Doorly Zoo and Aquarium.
  • A picture of a cichlid (Amatitlania altoflava) at L'aquarium tropical du palais de la Porte DorŽe.
  • Citico darter (Etheostoma sitikuense) a vulnerable (IUCN) species at Conservation Fisheries, a native stream fish breeding center.
  • Photo: A Southern leopard frog (Lithobates sphenocephalus utricularia) at Emporia State University Prophet Aquatic Research and Outreach Center.
  • Photo: Anchor coral or hammer coral (Euphyllia ancora) from a private collection in Saint Louis.
  • A federally endangered Mexican gray wolf (Canis lupus baileyi) at the Wild Canid Survival and Research Center.
  • Photo: A poplar hawk-moth (Laothoe populi) at Wildfowl and Wetlands Trust Slimbridge in Slimbridge, England.
  • A picture of an Eastern glass lizard (Ophisaurus ventralis) at the Estuarium in Dauphin Island, AL.
  • Photo: A goldeye (Hiodon alosoides) at the Schramm Education Center near Gretna, NE.
  • Black-bellied whistling ducks (Dendrocygna autumnalis autumnalis) at the Brevard Zoo.
  • Photo: A solitary eagle (Buteogallus solitarius solitarius) at the El Huayco Research and Raptor Breeding Center in Lima, Peru.
  • A baby ornate box turtle (Terrapene ornata ornata) from a private collection.
  • A picture of a Northwestern neotropical rattlesnake (Crotalus culminatus) at the Gladys Porter Zoo in Brownsville, Texas. This is a xanthic specimen, lacking normal pigmentation.
  • A picture of a black-capped parakeet (Pyrrhura rupicola sandiae) at Loro Parque Fundacion.
  • Photo: A banded sculpin (Cottus carolinae) taken from the Conasauga River near Conasauga, Tennessee.
  • Photo: A Macdougall’s spiny lizard (Sceloporus macdougalli) at Allwetterzoo Münster in Münster, Germany.
  • A group of Augochlorine green sweat bees (Augochlorirni) photographed at a studio in Lincoln, NE.
  • A picture of a rough-scaled death adder (Acanthophis rugosus) at the Omaha's Henry Doorly Zoo and Aquarium.
  • A slender-legged treefrog (Osteocephalus species) near Limon, Ecuador.
  • An endangered golden poison dart frog or terrible poison dart frog (Phyllobates terribilis) at the Rolling Hills zoo.
  • Photo: A thorned comb star (Astropecten cf polyacanthus) from the Gulf of Oman.
  • Photo: A Sowell's short-tailed bat (Carollia sowelli) at Bat Jungle in Montverde, Costa Rica.
  • A power blue morph of the dying poison dart frog (Dendrobates tinctorius) from a private collection.
  • Photo: A forest racer (Dendrophidion sp.) from the Tapir Valley, Costa Rica.
  • A portrait of a marbled cat (Pardofelis marmorata marmorata).
  • A picture of a galah cockatoo (Eolophus roseicapilla) at Parrots in Paradise, a bird attraction in Glass House Mountains, Queensland.
  • A picture of an adult mountain brook lamprey (Ichthyomyzon greeleyi) photographed at the Aquatic Wildlife Conservation Center. This animal was collected on the Nash’s Ford on the Clinch River, VA.
  • A picture of an azureus morph of the dyeing dart frog (Dendrobates tinctorius) at the Atlanta Botanical Garden.
  • Photo: A Bates’ tilapia (Benitochromis batesii) at Zoo Leipzig in Germany.
  • Picture of the critically endangered, Pirre harlequin frog (Atelopus glyphus) at the Panama Amphibian Rescue and Conservation Project.
  • A harlequin frog (Atelopus sp.) near Limon, Ecuador.
  • Photo: A greater spotted eagle (Aquila clanga) at the Plzen Zoo in the Czech Republic.
  • Photo: A blue-naped parrot, Tanygnathus lucionensis salvadorii, at Talarak Foundation.
  • Picture of a Yellow phase of the strawberry poison dart frog (Oophaga (Dendrobates) pumilio) at the National Aquarium in Baltimore.
  • An orange-crowned warbler (Leiothlypis celata celata) being cared for by Nebraska Wildlife Rehab.
  • Photo: A endangered South Philippines hawk-eagle (Nisaetus pinskeri) at the Philippine Eagle Center.
  • Photo: A braconid (parasitoid) wasp (Archibracon sp.) collected in the Mt. Gorongosa range.
  • Photo: A silver form Malagasy cat-eyed snake (Madagascarophis meridionalis) at Drayton Manor Park in England.
  • Picture of a male cotton pygmy goose (Nettapus coromandelianus coromandelianus) at Sylvan Heights Bird Park.
  • Photo: A male northern viscacha (Lagidium peruanum) at Parque de las Leyendas in Lima, Peru.
  • Photo: A mountain bluebird (Sialia currucoides) at Greenwood Wildlife Rehabilitation Center in Longmont, Colorado.
  • Boulder darter (Etheostoma wapiti), a vulnerable (IUCN) and federally endangered species, at Conservation Fisheries, a native stream fish breeding center. The male is larger and shown on the top.
  • A vulnerable (IUCN) and federally threatened Florida sand skink (Plestiodon reynoldsi) at the Archbold Biological Station.
  • A cave salamander (Eurycea lucifuga) at the Tulsa Zoo, Tulsa, Oklahoma.
  • Picture of a partial albino red-tailed hawk (Buteo jamaicensis) at the Minnesota Zoo.
  • A vulnerable (IUCN) and federally endangered clouded leopard (Neofelis nebulosa nebulosa) at the Houston Zoo.
  • Ouachita madtoms (Noturus lachneri) at Conservation Fisheries, a native stream fish breeding center in Knoxville. This is a rare stream fish that has a limited range in Arkansas and is listed as endangered on the IUCN Red List, but it still isn’t listed under the ESA.
  • Picture of a vulnerable emperor tamarin (Saginus imperator) at the Riverside Zoo.
  • Photo: Black ibis (Pseudibis papillosa) at the Ahmedabad Zoo.
  • A gerbil (Meriones unguiculatus) at the Safari Land Pet Store.
  • Photo: A Rio Cauca caecilian or rubber eel (Typhlonectes natans) at the Detroit Zoo.
  • Photo: A calisto batesi butterfly (Calisto bates) at the National Botanical Garden in Santo Domingo, Dominican Republic.
  • Photo: An Eastern Pilbara spiny-tailed skink (Egernia epsisolus) at the San Antonio Zoo.
  • Photo: A masked grassfinch (Poephila personata personata) at the Thisa Zoo in Stekene, Belgium.
  • Photo: A male Arctic grayling (Thymallus arcticus) at the Great Lakes Aquarium in Duluth, Minnesota.
  • Photo: Chili rasbora (Boraras brigittae) from a private collection.
  • Photo: A Pel’s fishing owl (Scotopelia peli) at the Monticello Center in Italy.
  • Picture of a Dumeril's monitor (Varanus dumerilii) at the Lincoln Children's Zoo, Lincoln, Nebraska.
  • A picture of a male Soemmerring's copper pheasant (Syrmaticus soemmerringii soemmerringii) from a private collection.
  • A rainbow scarab, Phanaeus vindex, with parasites riding on its neck, at the Houston Zoo.
  • Picture of a javan munia (Lonchura leucogastroides) from a private collection.
  • The endangered (IUCN) and federally endangered Nashville crayfish (Orconectes shoupi). This animal has a very limited range, existing only in the Mill Creek watershed which runs from downtown Nashville to its suburbs. Habitat loss has restricted its range even further within Mill Creek, with more construction in recent years.
  • Photo: A Geoffroy's tailless bat (Anoura geoffroyi) at Bat Jungle in Monteverde, Costa Rica.
  • Photo: Algerian psammodromus (Psammodromus algirus) at Graham's Quinta dos Malvedos Vineyard.
  • A picture of a Stuart's milksnake (Lampropeltis triangulum stuarti) at the Great Plains Zoo.
  • Photo: A Anzamala Madagascar swift (Oplurus fierinensis) at the Plzen Zoo in the Czech Republic.
  • Photo: Male and female red flanked lorikeets (Charmosyna placentis placentis) at Loro Parque Fundacion.
  • A picture of a common gallinule (Gallinula galeata pauxilla) at the National Aviary of Colombia.
  • A northern flying squirrel (Glaucomys sabrinus) (three months old, male) at Wildlife Images, a rehabilitation center near Merlin, OR.
  • An osprey (Pandion haliaetus carolinensis) at Raptor Recovery Nebraska.
  • Picture of a vulnerable Javan lutung (Trachypithecus auratus) at the Omaha Zoo.
  • North Australian snake-necked turtle (Chelodina rugosa) at the Omaha Zoo.
  • Orange-winged Amazon (Amazona amazonica amazonica) at Cafam Zoo
  • Photo: An American crocodile (Crocodilus acutus) at the Omaha Zoo.
  • Solange, a federally endangered female pygmy rabbit (Brachylagus idahoensis). She was born in May of 2007. She is 81.5% Columbia Basin pygmy rabbit, and the rest is the Idaho race. Since there are no male Columbia Basin pygmy rabbits left, this means only animals intercrossed with the Idaho race will survive.
  • Photo: A yellow-spotted agama (Trapelus flavimaculatus) at Arabia’s Wildlife Centre in Sharjah, United Arab Emirates.
  • A picture of a critically endangered female Sister Isles iguana (Cyclura nubila caymanensis) at IguanaLand in Punta Gorda, Florida.
  • A Mexican burrowing python (Loxocemus bicolor) at the Sedgwick County Zoo in Wichita, Kansas.
  • Picture of a vulnerable Eastern lesser bamboo lemur (Hapalemur griseus griseus) named 'Beeper' at the Duke Lemur Center.
  • A bar-headed Goose (Anser indicus) at the Houston Zoo.
  • A picture of a laughing falcon (Herpetotheres cachinnans cachinnans) at the National Aviary breeding center.
  • Photo: A Williamson’s sapsucker (Sphyrapicus thyroideus) at the Wildlife Center of New Mexico.
  • Photo: A pigeon mountain salamander (Plethodon petraeus) at the Amphibian Foundation.
  • Photo: Leopard slug (Limax maximus) wild caught in Boise, Idaho
  • Photo: Arizona pocket mouse (Perognathus amplus) collected in Apache County, AZ.
  • A vulnerable Pebas stubfoot toad (Atelopus spumarius) at a captive breeding facility in Quito, Ecuador.
  • Photo: Pygmy lizard (Cophotis ceylanica) at Urban Ark Conservation
  • Photo: Trinidad dwarf tiger, Cyriocosmus elegans, at the Moscow Zoo.
  • Photo: A liger, Panthera leo x Panthera tigris, at Taman Safari in Bogor, West Java, Indonesia.
  • A critically endangered harlequin frog (Atelopes varius) at the Omaha Zoo. This species, from Panama, is now thought to be extinct in the wild. With only 300 or so in captivity, it is thought to be one of the rarest amphibians in the world.
  • Photo: The blue glassy tiger (Ideopsis vulgaris contigua) at ACCB in Siem Reap, Cambodia.
  • Photo: A sculptured slipper lobster (Parribuacus antarcticus) at the Audubon Aquarium of the Americas.
  • Picture of a green kingfisher (Chloroceryle americana cabanisii) at the National Aviary of Colombia.
  • Juvenile Stolzmann's horned frogs, Ceratophrys stolzmanni. This species is listed as vulnerable.
  • Photo: Red veiled chiton (Placiphorella rufa) at the Alaska SeaLife Center in Seward, AK.
  • A picture of an endangered Phayre's leaf monkey (Trachypithecus crepusculus) from the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam.
  • Photo: A Parson's chameleon, Calumma parsonii cristifer, from a private collection.
  • Photo: An Appalachian monkeyface mussel (Theliderma sparsa) from the Powell River, Tennessee photographed at the Aquatic Wildlife Conservation Center in Marion, Virginia.
  • Picture of an endangered (IUCN) and federally endangered Kagu (Rhynochetos jubatus) at the Houston Zoo.
  • Photo: A high-casqued chameleon (Chamaeleo hoehneli) at the Houston Zoo.
  • Photo: A Botta’s pocket gopher (Thomomys bottae lorenzi) from the wild at Lindsay Wildlife Experience in Walnut Creek, California.
  • A picture of a red-eared slider (Trachemys scripta elegans) from the Turtle Survival Center.
  • Photo: A 'green and blue' morph of a granular poison dart frog, Oophaga granulifera, at Natura Eco Park.
  • Photo: A bicolor burrowing thick-tailed scorpion (Parabuthus raudus) at Verve Biotech in Waverly, Nebraska.
  • Photo: Chilean gold burst tarantula (Euathlus parvulus) at Butterfly Pavilion in Westminster, Colorado.
  • Photo: A Palawan hill myna, Gracula religiosa palawanensis, at Talarak Foundation.
  • A Tuxtlan jumping pitviper or Olmecan pitviper (Atropoides olmec) at the Chapultepec Zoo, Mexico City, Mexico.
  • Photo: A critically endangered Javan slow loris (Nycticebus javanicus) at Night Safari, part of Wildlife Reserves Singapore.
  • Photo: A male lettered aracari (Pteroglossus inscriptus) at Emerald Forest Bird Gardens in Fallbrook, California.
  • A rough-necked monitor (Varanus rudicollis) at Zoo Atlanta.
  • Picture of a vulnerable Palawan binturong (Arctictis binturong whitei) at the Nashville Zoo.
  • Photo: Great sculpin (Myoxocephalus polyacanthocephalus) at the Alaska SeaLife Center in Seward, AK.
  • Photo: A bee-like robber fly (Laphria species) from the wild at Bobcat Prairie near Denton, NE. This robber fly mimics a bumblebee as a way to hunt other insects.
  • A juvenile Shreve's Sarayacu treefrog (Dendropsophus sarayacuensis) collected near Pilalo, Ecuador.
  • Photo: A male Malagasy blue stick insect (Achrioptera fallax) from ABQ BioPark.
  • A critically endangered (IUCN) lemur leaf frog (Agalychnis lemur), from the Panama population, at Zoo Atlanta.
  • Photo: A green flying frog (Rhacophorus reinwardtii) at Tierpark Berlin in Germany.
  • Photo: A Cooper's hawk (Accipiter cooperii) at Raptor Recovery Nebraska.
  • Photo: Mindanao highland scops owl (Otus mirus) at Crocolandia in the Philippines.
  • Photo: A common toad (Rana arenarum) at Museo De Historia Natural "Alcide d'Orbigny".
  • Photo: An Australian pelican (Pelecanus conspicillatus) at the Plzen Zoo in the Czech Republic.
  • A federally endangered West African slender-snouted crocodile (Mecistops cataphractus) from the private collection of Curt Harbsmeier.
  • A captive reindeer (Rangifer tarandus) with its handler at the University of Alaska in Fairbanks.
  • A picture of a whiskered bat (Myotis mystacinus mystacinus) at Wildwood Trust near Canterbury, England.
  • Picture of an Arctic fox (Vulpes lagopus) named Todd, at the Great Bend Brit Spaugh Zoo in Great Bend, Kansas.
  • Photo: Pristimantis sp. photographed at Reserva Las Gralarias, Ecuador.
  • A mangrove salt marsh snake (Nerodia clarkii compressicauda) from the wild on Saddlebunch Key, Florida.
  • Photo: A common kingsnake (Lampropeltis getula goini) at Petra Aqua.
  • Photo: Two great-tailed grackles (Quiscalus mexicanus prosopidicola) at Rogers Wildlife Rehabilitation in Hutchins, TX.
  • Picture of an Auckland green gecko (Naultinus elegans elegans) at the Wellington Zoo
  • Photo: A female silvery-cheeked hornbill (Bycanistes brevis) at the Nashville Zoo in Tennessee.
  • Photo: A redlip shiner (Notropis chiliticus) at the Marion Conservation Aquaculture Center.
  • Photo: A female South Caucasus pheasant (Phasianus colchicus colchicus) at a private collection.
  • Photo: Lesser Bornean mousedeer (Tragulus kanchil klossi) at the Singapore Zoo.
  • Photo: A saker falcon (Falco cherrug cherrug) photographed at Dubai Falcon Center in Dubai, United Arab Emirates.
  • Picture of a red-cheeked cordon-bleu finch (Uraeginthus bengalus brunneigularis) from a private collection.
  • Picture of a female fringe-lipped bat, Trachops cirrhosus, at the Smithsonian Tropical Research Institute.
  • Picture of a male small cackling goose (Branta hutchinsii minima) at Sylvan Heights Bird Park.
  • A picture of a female red-capped cardinal (Paroaria gularis gularis) at the Miller Park Zoo in Bloomington, Illinois.
  • A picture of a house crow (Corvus splendens cf. protegatus) photographed at Sheikh Butti Maktoum Wildlife in Dubai, United Arab Emirates.
  • Picture of a blue-banded toucanet (Aulacorhynchus coeruleicinctis) at the Dallas World Aquarium.
  • Photo: A group of Tennessee dace (Chrosomus tennesseensis) from a private collection in Knoxville, Tennessee.
  • A picture of a white faced heron (Egretta novaehollandiae novaehollandiae) at the Plzen Zoo.
  • Picture of a yellow fattail scorpion (Androctonus australis) at the Houston Zoo.
  • A southern hairy-nosed wombat (Lasiorhinus latifrons) at the Melbourne Zoo.
  • Photo: A Blanding's tree snake (Toxicodryas blandingii) at the Toledo Zoo.
  • Photo: A Javan crested shrikejay (Platylophus galericulatus galericulatus) at the Prigen Conservation Breeding Ark in Indonesia.
  • Photo: Bigmouth buffalo (Ictiobus cyprinellus) at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • Photo: A bridled forest gecko (Gonatodes humeralis) at Centro de Rescate Amazonico in Iquitos, Peru.
  • Photo: A Pacific cod (Gadus macrocephalus) at the Alaska SeaLife Center.
  • A vulnerable (IUCN) and federally threatened polar bear (Ursus maritimus) at the Tulsa Zoo.
  • A vulnerable (IUCN) and federally endangered California tiger salamander (Ambystoma californiense) at the Fresno Cahffee Zoo, Fresno, California.
  • Picture of an Abbott's robber frog (Eleutherodactylus abbotti) at the Parque Zoologico Nacional in Santo Domingo, Dominican Republic.
  • Photo: A group of Three Forks springsnails (Pyrgulopsis trivialis) at the Phoenix Zoo. This species is listed as critically endangered on the IUCN Red List.
  • Photo: A blue-lipped sea krait (Laticauda laticaudata) at the Toledo Zoo.
  • Photo: Critically endangered Nubian flap-shelled turtle (Cyclanorbis elegans) at Wroclaw Zoo.
  • Photo: A two-toed amphiuma (Amphiuma means) at the North Carolina Zoo in Asheboro, North Carolina.
  • Photo: A New Guinea blue-tongued skink (Tiliqua gigas) at the Nashville Zoo in Nashville, Tennessee.
  • Picture of a vulnerable red-legged salamander (Plethodon shermani) collected at Wayah Bald, Macon County, North Carolina.
  • A smooth-coated otter (Lutrogale perspicillata perspicillata at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia. Water pollution and loss of habitat are two primary reasons for its decline.
  • An endangered baby Bornean orangutan (Pongo pygmaeus) named Aurora, with her adoptive mother, Cheyenne, a Bornean/Sumatran cross (Pongo pygmaeus x abelii) at the Houston Zoo.
  • An adult female wolf spider (Tigrosa helluo).
  • Photo: A rufous bush chat (Cercotrichas galactotes familiaris) at Zoo Plzeň.
  • Photo: A sponge snapping shrimp (Synalpheus sp.) at Gulf Specimen Marine Lab and Aquarium in Panacea, Florida.
  • Photo: Ibiza wall lizard (Podarcis pityusensis) at Wroclaw Zoo.
  • A vulnerable (IUCN) and federally endangered Black-footed cat (Felis nigripes) at Omaha’s Henry Doorly Zoo and Aquarium.
  • A giant rhino beetle grub (Megasoma gyas porioni) at the Budapest Zoo.
  • Picture of a croaking guaramy (Trichopsis vittata) at the U.S. Geological Survey Southeast Science Center.
  • Photo: Blue tuxedo urchin (Mespilia globulus ) at the Loveland Living Planet Aquarium.
  • Photo: Pallas's rosefinch (Carpodacus roseus) in Choussy, France.
  • Photo: A West African dwarf crocodile (Osteolaemus tetraspis) photographed at the Alexandria Zoological Park in Alexandria, Louisiana.
  • Photo: A female brown house snake (Boaedon capensis) at Arabia’s Wildlife Centre in Sharjah, United Arab Emirates.
  • Photo: Northern redbelly dace (Chrosomus eos) at the University Lab at the University of Minnesota in St. Paul.
  • Picture of a male king eider (Somateria spectabilis) at the Sylvan Heights Bird Park.
  • A picture of a juvenile red rat snake (Pantherophis guttatus) at the Archbold Biological Station.
  • A longtail salamander (Eurycea longicauda longicauda) at the Toledo Zoo, Toledo, Ohio.
  • Photo: A Florida black bear (Ursus americanus floridanus) named Cheyenne at the Brevard Zoo.
  • Photo: A sira poison dart frog (Ranitomeya sirensis) at the Amphibian Foundation in Atlanta, GA.
  • Photo: An Indo-Pacific borer urchin (Echinometra mathaei) from the Gulf of Oman.
  • Von der Decken's hornbill (Tockus deckeni) at Tampa's Lowry Park Zoo. The male has an orange beak, while the female has a black beak.
  • A speckled king snake (Lampropeltis getula holbrooki) at the Kansas City Zoo.
  • Photo: A common wainscot moth (Mythimna pallens) at Wildfowl and Wetlands Trust Slimbridge in Slimbridge, England.
  • A Giant snake-necked turtle (Chelodina expansa) at the Australia Zoo Wildlife Hospital.
  • Photo: A male Island least gecko (Sphaerodactylus sputator) at Josh’s Frogs in Michigan.
  • Photo: A black sandshell mussel (Lugimia recta), one of 44 species of freshwater mussels still found in the upper Mississippi River near Prairie du Chien, WI.
  • Picture of an endangered (IUCN) and federally endangered golden-shouldered parrot (Psephotellus chrysopterygius) at Healesville Sanctuary. This species was previously Psephotus chrysopterygius.
  • Picture of a red-fronted brown lemur (Eulemur rufifrons) at the Plzen Zoo in the Czech Republic.
  • Photo: Lined chiton (Tonicella lineata) at the Trinity Western University.
  • Photo: A lesser yellow-headed vulture (Cathartes burrovianus) at Tierpark Berlin.
  • Photo: Florida red-tailed hawk (Buteo jamaicensis umbrinus) at the Conservancy of Southwest Florida in Naples, Florida.
  • Photo: Pacific herring, Clupea pallasii, at the Alaska SeaLife Center.
  • Photo: Two subadult British blue tit (Cyanistes caeruleus obscurus) from a private collection in Chester, England.
  • A picture of a gilded barbet (Capito auratus punctatus) at the National Aviary breeding center in Palmar, Colombia.
  • Photo: A peacock day gecko (Phelsuma quadriocellata) at Petra Aqua.
  • Picture of a critically endangered painted terrapin (Batagur borneoensis) at the Detroit Zoo.
  • A picture of a Brandt's vole (Lasiopodomys brandtii brandtii) at the A.N. Severtsov Institute of Ecology and Evolution Russian Academy of Science.
  • Photo: A high-casqued chameleon (Chamaeleo hoehneli) at the Houston Zoo.
  • Photo: A snowball pleco (Hypancistrus inspector) at the aquarium of the Manaus Zoo. This Zoo is ran by the military, or CIGS.
  • Photo: Senegal seabream, Diplodus bellottii, a saltwater fish at the Vasco da Gama Aquarium.
  • Photo: A Jack Dempsey cichlid (Rocio octofasciata) from a private collection.
  • A crested toad (Bufo typhonius) at the Houston Zoo.
  • An Indian rock python (Python molurus) at the Cleveland Metroparks Zoo.
  • Picture of a laughing gull in breeding plumage (Leucophaeus atricilla megalopterus) at the National Aviary of Colombia.
  • Photo: Moluccan king parrot, Alisterus amboinensis buruensis, at Loro Parque Fundacion.
  • Photo: A tarantula (Coremiocnemis hoggi) from a private collection.
  • Photo: A crestless curassow (Mitu tomentosum ) at the National Aviary of Colombia.
  • Photo: A three-spot damselfish (Stegastes planifrons) photographed at Gulf Specimen Marine Lab and Aquarium.
  • Photo: Large-scale water monitor (Varanus nuchalis) from the private collection in San Antonio.
  • A tent tortoise (Psammobates tentorius verroxii) at the Fresno Chaffe Zoo.
  • Picture of an endangered Asian elephant (Elephas maximus).
  • A Costa Rican jumping viper (Atropoides picadoi) at Zoo Atlanta.
  • A Manaus slender-legged treefrog (Osteocephalus taurinus) at Pontificia Universidad Católica del Ecuador.
  • A common checkered-skipper (Pyrgus communis).
  • Photo: An Adelie penguin (Pygoscelis adeliae) at the Faunia zoo in Madrid, Spain.
  • Photo: A zebra longwing (Heliconius charithonia vazquezae) at Selvatura Park in Monteverde, Costa Rica.
  • Photo: A jeweled splitfin (Xenotoca variata) at the Vasco da Gama Aquarium in Lisbon, Portugal.
  • Midland painted turtle (Chrysemys picta marginata) at the Detroit Zoo.
  • Photo: A Javan deer (Cervus timorensis) at Bali Safari.
  • Picture of a South American Waxy Tree Frog (Phyllomedusa hypochondrialis) at the Houston Zoo.
  • Brazilian rainbow boa (Epicrates cenchria cenchria) at the Great plains zoo.
  • A brown recluse spider (Loxosceles reclusa) at the Audubon Zoo in New Orleans.
  • picture of a New Mexico whiptail lizard (Aspidoscelis neomexicana) at Omaha's Henry Doorly Zoo.
  • A picture of a Southeast Asian softshelled turtle (Amyda cartilaginea cartilaginea) a vulnerable species at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: An endangered crested capuchin (Sapajus robustus) at the Los Angeles Zoo.
  • A vulnerable yellow-thighed Parrot also known as a yellow-thighed caique (Pionites xanthomeria) at the Rare Species Conservatory Foundation.
  • Photo: A lined leaf tail gecko (Uroplatus lineatus) at Scaly Dave's Herp Shack in Manhattan, KS.
  • Photo: A twist-necked turtle (Platemys platycephala melanonota) at Huachipa Zoo in Lima, Peru.
  • Photo: An Eastern cicada-killer wasp (Sphecius speciosus) from Lincoln, Nebraska.
  • Photo: A southern rufous hornbill, Buceros mindanensis semigaleatus, at Talarak Foundation.
  • Photo: A critically endangered brown spider monkey (Ateles hybridus) at Piscilago Zoo.
  • Photo: Pacific blue mussel (mytilus trossulus) at the Alaska SeaLife Center.
  • A Quito rocket frog (Hyloxalus jacobuspetersi) at Pontificia Universidad Católica del Ecuador.
  • A Swainson's hawk (Buteo swainsoni) at the World Bird Sanctuary.
  • Photo: A pied triller (Lalage nigra striga) at the Bali Bird Park in Indonesia.
  • Green and black poison dart frog, Panama morph (Dendrobates auratus) from a private collection.
  • Photo: An Oriental darter (Anhinga melanogaster) at the Bali Bird Park in Indonesia.
  • Photo: A male Sumatran mangrove pitviper (Trimeresurus cf. purpureomaculatus) at Eco Animal Encounters in Whiteway, England.
  • Photo: Ambiguous striatus, Cambarus cf. striatus, at the Crayfish lab in West Liberty University in West Liberty, WV. This specimen is from Saluda River, SC.
  • Photo: A common scud (Melita nitida) from San Francisco Bay. Photographed at the East Bay Regional Parks Mobile Education Program.
  • A malachite butterfly (Siproeta stelenes) at the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: An endangered thick-billed parrot (Rhynchopsitta pachyrhyncha) at World Bird Sanctuary.
  • Photo: A male Cape eland (Taurotragus oryx oryx) at the Lisbon Zoo
  • Photo: A blue duiker (Philantomba monticola ssp.) at Wildlife World Zoo, Aquarium & Safari Park in Litchfield Park, Arizona.
  • Photo: Giant Asian mantis (Hierodula membranacea) at Butterfly Pavilion.
  • Photo: Yellow spotted monitor (Varanus panoptes) from a private collection.
  • Photo: Hasari, a federally endangered three-year-old cheetah (Acinonyx jubatus) at White Oak Conservation Center.
  • Photo: A male European bison (Bison bonasus) at Parco Natura Viva in Bussolengo, Italy.
  • Picture of a song sparrow (Melospiza melodia montana) from the wild in Utah.
  • Photo: A critically endangered Mount Slamet laughingthrush (Garrulax rufifrons slamatensis) at the Prigen Conservation Breeding Ark in Indonesia.
  • Picture of a vulnerable (IUCN) and federally endangered cheetah (Acinonyx jubatus) at the Denver Zoo.
  • Male bees (Bombus sp.) swarm around sunflowers at Branched Oak Lake.
  • Photo: An Egyptian fruit bat (Rousettus aegyptiacus) named Stanley at Omaha’s Henry Doorly Zoo and Aquarium in Omaha, Nebraska.
  • Photo: Bluebanded or stripefin ronquil (Rathbunella hypoplecta) at Ripley's Aquarium of Canada.
  • Photo: Saffron cod (Eleginus gracilis) at the Alaska SeaLife Center.
  • Photo: A white-spotted cichlid (Tropheus duboisi) at Wroclaw Zoo in Poland.
  • Photo: A male common blackbird (Turdus merula syriacus) at Wildlife Hospital of Israel & Ramat Gan Safari Park, in Ramat Gan, Israel.
  • Photo: Cairns green birdwing (Ornithoptera priamus euphorion) at the Jumalon Butterfly Sanctuary on Cebu Island in the Philippines.
  • Picture of a Yellow phase of the strawberry poison dart frog (Oophaga (Dendrobates) pumilio) at the National Aquarium in Baltimore.
  • Photo: A female North African tawny eagle (Aquila rapax belisarius) named Gina at Cotswold Falconry Centre, Moreton-in-Marsh, England.
  • An Aruba Island rattlesnake (Crotalus durissus unicolor) at the Saint Louis Zoo. It is one of the only rattlesnake taxon to benefit from a true captive breeding program worldwide. It is nearly extinct on Aruba Island where it is endemic.
  • Photo: An Escambia map turtle (Graptemys ernsti) at Turtle Island.
  • A spectacled owl (Pulsatrix perspicillata).
  • Photo: A male Balsas armed lizard (Ctenosaura clarki) at IguanaLand in Punta Gorda, Florida.
  • Picture of a black-sided hawkfish (Paracirrhites forsteri) at Omaha's Henry Doorly Zoo and Aquarium.
  • Photo: A mud ivory whelk (Babylonia lutosa) at The National Aquarium, Abu Dhabi, United Arab Emirates.
  • Photo: A male, juvenile Allen's hummingbird (Selasphorus sasin sasin) at the San Diego Humane Society in California.
  • Boulder darter (Etheostoma wapiti), a vulnerable (IUCN) and federally endangered species, at Conservation Fisheries, a native stream fish breeding center. The male is larger and shown on the top.
  • A critically endangered Amargosa toad (Anaxyrus nelsoni) in Beatty, Nevada.
  • Photo: A Snake River sockeye salmon, Oncorhynchus nerka, at Eagle Fish Hatchery in Eagle, ID. This is a 2019 hatch year fish, so when photographed in 2021 it was still a smolt, and not quite an adult.
  • Photo: A canary wrasse (Halichoeres chrysus) at the Aquarium of Boise in Boise, Idaho.
  • Photo: A Goliath heron (Ardea goliath) at the Plzen Zoo in the Czech Republic.
  • Photo: Yuma coral (Ricordea yuma) from a private collection in Saint Louis.
  • Photo: Leeloo, a six-year-old white-tailed prairie dog (Cynomys leucurus) photographed in Utah.
  • Picture of a mantis shrimp (Squilla empusa) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: Tundra great horned owl (Bubo virginianus subarticus) at Monticello Center in Italy.
  • Photo: Viper boa (Candoia aspera) at the Sedgwick County Zoo.
  • Photo: Two endangered Arabian tahrs (Arabitragus jayakari) at the Management of Nature Conservation, Jebel Hafeet, Abu Dhabi, UAE. The male is bigger with a bushy coat.
  • Photo: A Natuna langur (Presbytis natunae) at the Lembang Park and Zoo in Lembang, West Java, Indonesia.
  • Picture of two ringed teal (Callonetta leucophrys) at Sylvan Heights Waterfowl Park.
  • A bladder snail (Physa acuta) at Kansas University.
  • Picture of a sand cat (Felis margarita harrisoni) at the Tulsa Zoo.
  • Limon giant glass frog (Sachatamia ilex) at Zoo Atlanta.
  • Photo: A mainland wombat (Vombatus ursinus) named Lilly, at the Toldeo Zoo. She is nine years old.
  • A picture of a green bush rat snake (Gonyosma prasina) at the Dallas Zoo.
  • A pair of critically endangered (IUCN) and federally endangered Bali mynah (Leucopsar rothschildi) at the Cheyenne Mountain Zoo, Colorado Springs, Colorado.
  • Photo: A plain pocketbook mussel (Lampsilis cardium) photographed at the North Platte Fish Hatchery, owned/operated by Nebraska Game and Parks.
  • Photo: A black piranha (Serrasalmus rhombeus) at Shark Reef Aquarium at Mandalay Bay, Las Vegas, NV.
  • Spiny-headed treefrog (Anotheca spinosa) from central America at Zoo Atlanta.
  • Photo: A Mandarin ratsnake (Elaphe mandarina) at the Cheyenne Mountain Zoo.
  • Picture of a prong-billed barbet (Semnornis frantzii) at the Dallas World Aquarium.
  • A vulnerable (IUCN) western pond turtle (Actinemys marmorata) at the Oregon Zoo.
  • A picture of a critically endangered Coquerel's sifaka (Propithecus coquereli) at the Houston Zoo in Texas.
  • Photo: A pair of balsas splitfin (Ilyodon whitei) from a private collection.
  • A picture of a critically endangered four-eyed turtle (Sacalia quadriocellata) at the Tennessee Aquarium.
  • Picture of a roadside hawk (Rupornis magnirostris magnirostris) at the National Aviary breeding center.
  • An endangered Caucasus viper (Vipera kaznakovi) at the St. Louis Zoo.
  • Photo: A Everett's scops owl (Otus everetti) at the Philippine Eagle Center.
  • Photo: A male zorilla (Ictonyx striatus) named Numby at Hoo Zoo in the United Kingdom.
  • Photo: Germain's langur or Indochinese silver langur (Trachypithecus germaini) at ACCB in Siem Reap, Cambodia.
  • Photo: A collared pratincole (Glareola pratincola) in summer plumage at Pinola Conservancy.
  • Picture of sand fiddler crabs (Uca pugilator) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: A Southern tamandua (Tamandua tetradactyla tetradactyla) at Fundacao Jardim Zoologico de Brasilia.
  • Picture of Azure damsels (Chrysiptera hemicyanea) at Nebraska Aquatic Supply.
  • Picture of a Black lory (Chalcopsitta atra atra) at the Columbus Zoo.
  • Photo: A critically endangered Bavarian pine vole (Microtus bavaricus) at Alpenzoo Innsbruck in Innsbruck, Austria.
  • Photo: Two endangered Arabian tahrs (Arabitragus jayakari) at the Management of Nature Conservation, Jebel Hafeet, Abu Dhabi, UAE. The male is bigger with a bushy coat.
  • An albino monocled cobra (Naja kaouthia) at the Omaha Henry Doorly Zoo.
  • Photo: A pair of thirteen-lined ground squirrels (Ictidomys tridecemlineatus) at Nebraska Wildlife Rehab.
  • Picture of Amazonian toad-frogs (Leptodactylus knudseni) at the Central Florida Zoo.
  • Photo: A male Mishmi takin (Budorcas taxicolor) at the Prague Zoo. This species is listed as vulnerable on the IUCN Red List.
  • A common waxbill (Estrilda astrild occidentalis) from Bioko Island, Equatorial Guinea.
  • Photo: An endangered fly river turtle (Carettochelys insculpta) at the Memphis Zoo in Tennessee.
  • Photo: A female booted macaque (Macaca ochreata ochreata) named Blossum at Safari North in Brainerd, Minnesota.
  • A female Gray's crowned guenon (Cercopithecus pogonias grayi) named Amanda, named after Spock's mother in Star Trek. There are five individuals left of this species, which is a phase out species, meaning when they're gone, that's it.
  • Photo: A fox squirrel, Sciurus niger.
  • Photo: A Eurasian turtle dove (Streptopelia turtur rufescens) photographed at Sheikh Butti Maktoum Wildlife in Dubai, United Arab Emirates.
  • Photo: A female Stephens’ kangaroo rat (Dipodomys stephensi) from the Naval Weapons Station, Seal Beach Detachment Fallbrook, California.
  • Picture of a humpback turretfish (Tetrosomus gibbosus) at Pure Aquariums.
  • Photo: A magnificent bird of paradise (Cicinnurus magnificus chrysopterus) at a private collection in Germany.
  • Photo: Baja California rat snake (Bogertophis rosaliae) at the LA Zoo.
  • Photo: A Wadi Hasik Garra (Garra smartae) photographed at the Arabia’s Wildlife Centre.
  • A cave salamander (Eurycea lucifuga) at the Tulsa Zoo, Tulsa, Oklahoma.
  • Photo: Amazon leaffish (Monocirrhus polyacanthus) at L'aquarium tropical du palais de la Porte DorŽe.
  • Photo: Tokara Habu (Protobothrops tokarensis) from a private collection.
  • Photo: Pink winged walking stick (Sipyloidea sipyleus) at the Budapest Zoo.
  • Photo: Red desert scorpion (Babycurus gigas) at the Moscow Zoo.
  • Photo: A North Chinese leopard (Panthera pardus japonensis) at Zagreb Zoo in Zagreb, Croatia.
  • A tawny owl or brown owl (Strix aluco aluco) from the Budapest Zoo.
  • A migrant loggerhead shrike (Lanius ludovicianus migrans) at the Toronto Zoo.
  • Photo: Grayling (Thymallus thymallus) at the Loveland Living Planet Aquarium.
  • Photo: A Javan black-and-white giant squirrel (Ratufa bicolor bicolor) at the Emirates Parks Zoo in Abu Dhabi, United Arab Emirates.
  • Picture of giant African millipedes (Archispirostreptus gigas) at the Point Defiance Zoo.
  • Photo: A Bewick's wren (Thryomanes bewickii) at Santa Barbara Wildlife Care Network.
  • A green tree python (Morelia viridis) at the Riverside Zoo.
  • A butterfly mussel (Ellipsaria lineolata) at the Genoa National Fish Hatchery. This is one of 44 species of freshwater mussels still found in the upper Mississippi River near Prairie du Chien, WI.
  • Photo: A Bonelli’s eagle (Aquila fasciata fasciata) at Sia, the Comanche Nation Ethno-Ornithological Initiative.
  • Canal zone treefrog (Hypsiboas rufitelus) at Zoo Atlanta.
  • A black-capped lory (Lorius lory) at the Indianapolis Zoo.
  • Photo: Sydney funnel-web spider (Atrax robustus) at the Taronga Zoo in Sydney, Australia.
  • Photo: A sangkar white-eye (Zosterops melanurus melanurus) at PT Anak Burung Tropikana in Bali, Indonesia.
  • An Ozark zigzag salamander (Plethodon angusticlavius) at Missouri State University, Springfield, Missouri.
  • Federally threatened rainbow trout (Oncorhynchus mykiss) at the Genoa National Fish Hatchery.
  • Photo: A great crested flycatcher (Myiarchus crinitus) from a bird banding banding study near Hudson, Wisconsin.
  • Photo: A male sand partridge (Ammoperdix heyi intermedius) at the Wadi Al Safa Wildlife Center in Dubai, United Arab Emirates.
  • Photo: A male Dall sheep (Ovis dalli) at the Alaska Zoo.
  • A southern three-banded armadillo (Tolypeutes matacus) at the Lincoln Children's Zoo, Lincoln, Nebraska. (IUCN: Near Threatened)
  • Photo: A smooth helmeted iguana (Corytophanes cristatus) from the Tapir Valley of Costa Rica.
  • Picture of a fiery searcher beetle (Calosoma scrutator) at the Audubon Insectarium in New Orleans.
  • The tail of a Mexican hairy dwarf porcupine (Coendou mexicanus) at the Knoxville Zoo.
  • Photo: A leaf-tailed gecko (Uroplatus henkeleli) at Omaha's Henry Doorly Zoo.
  • Photo: A blood star (Henricia sanguinolenta) at the Maine State Aquarium in West Boothbay, ME.
  • Photo: A a pair of endangered gray gibbons (Hylobates muelleri muelleri) at the Miller Park Zoo.
  • Photo: A multicolor angelfish (Centropyge multicolor) at De Jong Marinelife in Spijk, Netherlands.
  • Photo: Mediterranean spotted chafer (Oxythyrea funesta) at Graham's Quinta dos Malvedos Vineyard.
  • A wolf spider (Hogna osceola) at the Archbold Biological Station.
  • A bull trout (Salvelinus confluentus) from Bighorn Creek, part of the Kootenay River system. (IUCN: Vulnerable; US: Federally threatened)
  • Delalande's gecko (Tarentola delalandii) at Wroclaw Zoo.
  • Photo: A Malayan softshell turtle (Dogania subplana) at the Turtle Survival Center.
  • Photo: A decorated warbonnet (Chirolophis decoratus) at the Alaska SeaLife Center.
  • Photo: Sand starfish (Astropecten polyacanthus) at Butterfly Pavilion.
  • A dwarf frog (Engystomops puyango) at Pontificia Universidad Católica del Ecuador.
  • Photo: Walking stick (Datamas mouhotii) at the Budapest Zoo.
  • Miami blue butterfly (Cyclargus thomasi bethunebakeri). This species is being captive bred at the McGuire Center at the Univ. of Florida. Thousands have been released into the wild in South Florida over the past three years. So far, results are indeterminate. Fewer than 250 exist in the wild, making it one of the rarest butterflies in North America.
  • Photo: A Goliath heron (Ardea goliath) at the Plzen Zoo in the Czech Republic.
  • Picture of a black sea nettle (Chrysaora achlyos) at the Monterey Bay Aquarium.
  • Endangered (IUCN) and federally endangered Galapagos tortoise (Chelonoidis vicina) at the Lincoln Children's Zoo.
  • Picture of a coconut lorikeet (Trichoglossus haematodus haematodus) at the Kansas City Zoo.
  • Photo: A juvenile little grebe (Tachybaptus ruficollis ruficollis) at Hessilhead Wildlife Rescue.
  • Photo: A short big eye (Pristigenys alta) photographed at Gulf Specimen Marine Lab and Aquarium.
  • Photo: A Goodman's mouse lemur (Microcebus lehilahytsara) at the Plzen Zoo in the Czech Republic.
  • Photo: A male black-throated monitor (Varanus albigularis microstictus) named Vulture, at Cub Creek Science Camp in Rolla, MO. Cub Creek Science Camp is a science summer camp located in central Missouri.
  • Photo: An Arabian Gulf sea snake (Hydrophis lapemoides) photographed at the Arabia’s Wildlife Centre.
  • A male and female Celebes leaf insect (Phyllium celebicum) at the Omaha Henry Doorly Zoo, Omaha, Nebraska. The male is the smaller of the two.
  • Critically endangered Haitian giant galliwasp (Celestus warreni) at the St. Louis Zoo.
  • Photo: A common house spider (Parasteatoda tepidariorum) at the Audubon Insectarium, part of the Audubon Nature Institute.
  • A sturgeon chub (Macrhybopsis gelida) at the Nebraska Game & Parks Commission, Nebraska.
  • A picture of a golden jackal (Canis aureus indicus) at the Assam State Zoo.
  • A picture of a Shaw’s jird (Meriones shawi isis) from a private collection collected from Egypt.
  • A picture of a pair of North American ruddy ducks (Oxyura jamaicensis jamaicensis) at Sylvan Heights Bird Park.
  • A portly spider crab (Libinia emarginata) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: A Urartian rat snake (Elaphe urartica) at Prague Zoo in Prague, Czech Republic.
  • Photo: A land snail (Achatina sp) at Jurong Bird Park, part of Wildlife Reserves Singapore.
  • Picture of a darkland morph of the strawberry poison dart frog (Oophaga pumilio.)
  • A web-footed gecko (Palmatogecko rangei) at the Omaha Zoo. This species evolved webbing on the feet so it can travel over the sand dunes of Namibia with ease.
  • Photo: A male ruby-throated hummingbird (Archilochus colubris) at Wildcare, a wildlife rehab center.
  • Photo: A starlight Bristlenose (Ancistrus dolichopterus) at Singapore Zoo.
  • A picture of two-day-old mourning dove hatchlings (Zenaida macroura marginella) at Wildlife Care Association in California.
  • A vulnerable blue crowned pigeon (Goura cristata) at Omaha's Henry Doorly Zoo and Aquarium, Omaha, Nebraska.
  • Picture of an eastern black-capped lory (Lorius lory erythrothorax) at Jurong Bird Park, part of Wildlife Reserves Singapore.
  • A Chihuahuan raven (Corvus cryptoleucus) at The Wildlife Center in Espanola, NM.
  • A gargoyle gecko (Rhacodactylus auriculatus) at the Omaha Zoo.
  • An Arabian spiny mouse (Acomys dimidiatus homericus) at the Plzen Zoo.
  • Photo: A male Taita Falcon (Falco fasciinucha) photographed at the Peregrine Fund in Idaho.
  • A picture of a black rockfish (Phanerodo vacca) at East Bay Regional Park District.
  • Picture of a greater fruit-eating bat (Artibeus lituratus) at the Lubee Bat Conservancy in Gainesville, Florida.
  • Photo: A black headed python (Aspidites melanocephalus) at Reptile Gardens.
  • Photo: Two critically endangered Madagascar pochard, Aythya innotata, at the Pochard Captive Breeding Center in Antsohihy, Madagascar.
  • Photo: Northern spotted box turtle (Terrapene nelsoni klauberi) at the Arizona-Sonora Desert Museum.
  • An endangered (IUCN) and federally endangered steller sea lion (Eumetopias jubatus) at Ocean Park in Hong Kong.
  • Photo: A female eastern towhee (Pipilo erythrophthalmus erythrophthalmus) at Rum River Central Park.
  • A musk turtle (Sternotherus odoratus) at Reptile Gardens in Rapid City, South Dakota.
  • Mexican dumpy treefrog (Pachymedusa dacnicolor) at the National Aquarium in Baltimore.
  • Photo: A male Montezuma swordtail (Xiphophorus montezumae) at L'aquarium tropical du palais de la Porte DorŽe.
  • Photo: A Key Largo woodrat (Neotoma floridana) (US: Endangered) at Disney's Animal Kingdom.
  • Photo: A Hiwassee Crayfish (Cambarus hiwasseensis) at the West Liberty University Crayfish Conservation Lab in West Liberty, Virginia.
  • A vulnerable (IUCN) and federally endangered California tiger salamander (Ambystoma californiense) at the Fresno Cahffee Zoo, Fresno, California.
  • Photo: A Macedonian crested newt (Triturus macedonicus) at Zoopark Zajezd.
  • A critically endangered (IUCN) and federally endangered Santa Catalina Island fox (Urocyon littoralis catalinae) named Tachi. Tachi is a hand raised, educational animal, and is the last captive from a breeding program designed to save the species.
  • Photo: Walking stick (Medauroidea extradentata) at the Budapest Zoo.
  • Photo: Niceforo's marsupial frog (Gastrotheca nicefori) at the El Valle Amphibian Conservation Center (EVACC). This marsupial frog raises young in a pouch on its back and is from the Darien area of Panama.
  • An Aruba Island rattlesnake (Crotalus durissus unicolor) at the Saint Louis Zoo. It is one of the only rattlesnake taxon to benefit from a true captive breeding program worldwide. It is nearly extinct on Aruba Island where it is endemic.
  • Photo: A male (bottom) and female striped panchax (Aplocheilus lineatus) at Zoo Leipzig in Germany.
  • Photo: Giant grasshopper (Valanga nigricornis insularis) from the Melbourne Museum
  • Photo: Walking sticks (Dares philippinensis) at the Budapest Zoo.
  • Photo: A giant bent-toed gecko (Cyrtodactylus irianjayensis) at a private collection.
  • Photo: A Peruvian pelican (Pelecanus thagus) at the Jurong Bird Park.
  • A vulnerable (IUCN) Quitobaquito pupfish (Cyprinodon macularis eremus).
  • Photo: Black Kite (Milvus migrans lineatus) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.
  • Photo: A yellow sea whip (Pterogorgia citrina) at Omaha’s Henry Doorly Zoo and Aquarium.
  • Photo: A black mamba (Dendroaspis polylepis) at Omaha's Henry Doorly Zoo and Aquarium.
  • Photo: A prairie rattlesnake (Crotalus viridis viridis) at Reptile Gardens.
  • Photo: An Awei’s skink (Sphenomorphus sp.) from the National Taiwan Normal University in Taipei, Taiwan.
  • Photo: A buffalo darter (Etheostoma bison) from Brush Creek in Lewis County, Tennessee.
  • Picture of a white-tailed jackrabbit (Lepus townsendii townsendii) at the Wildlife Rehabilitation Center of Northern Utah.
  • A four-toed salamander (Hemidactylium scutatum) at the Toledo Zoo, Toledo, Ohio.
  • Photo: Carpenter bee (Xylocopa violacea) at Graham's Quinta dos Malvedos Vineyard.
  • Picture of a Gulf Coast water dog (Necturus beyeri) at the National Mississippi River Museum and Aquarium in Dubuque, IA.
  • Photo: At Anastasia Island State Park, home to the federally endangered Anastasia Island beach mouse (Peromyscus polionotus phasma).
  • Picture of a critically endangered golden-headed or Cat Ba langur (Trachypithecus poliocephalus) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. There are just 55 of these animals left on Earth.
  • Photo: An endangered Cochin forest cane turtle (Vijayachelys silvatica) at Turtle Island.
  • Photo: A critically endangered Chinese pangolin (Manis pentadactyla pentadactyla) at Zoo Leipzig in Germany.
  • A vulnerable Olympic torrent salamander (Rhyacotriton olympicus) at the Sedgwick County Zoo in Wichita, Kansas.
  • Photo: Rufous-beaked snake (Rhamphiophis oxyrhynchus) at the Naples Zoo.
  • Picture of East Indian grey teal ducks (Anas gibberifrons) at Sylvan Heights Bird Park.
  • Photo: High cockscomb (Anoplarchus purpurescens) at East Bay Regional Park District.
  • Crested caracara (Caracara cheriway) at Tampa's Lowry Park Zoo.
  • Photo: A rufous-eyed brook tree frog (Duellmanohyla rufioculis) from the Tapir Valley, Cost Rica.
  • 75% yellow morph of a splash-backed poison frog (Adelphobates galactonotus) from a private collection.
  • Photo: A Orlov’s fan-footed gecko (Ptyodactylus orlovi) photographed at the Arabia’s Wildlife Centre.
  • Photo: A pair of little spectaclecase (Villosa lienosa) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.
  • A picture of a splendorous hornet handmaiden moth (Euchromia folletii) from Bioko Island, Equatorial Guinea. This moth is a wasp mimic
  • Photo: A juvenile Peruvian vicuña (Vicugna vicugna mensalis) at Parque de las Leyendas in Lima, Peru.
  • Eastern grasshopper sparrow (Ammodramus savannarum perpallidus) at the Nashville Zoo.
  • A crawfish (Procambarus sp.) at the Sedgwick County Zoo in Wichita.
  • Photo: Masked palm civet, Paguma larvata annectens, at Zoo Negara.
  • Photo: An endangered lowland anoa (Bubalus depressicornis) at Taman Safari in Bogor, West Java, Indonesia.
  • Photo: A cape clawless otter (Aonyx capensis capensis) at the Metro Richmond Zoo.
  • Photo: A cape clawless otter (Aonyx capensis capensis) at the Metro Richmond Zoo.
  • Papuan hornbill (Rhyticeros plicatus mendanae) from the Soloman Islands. Photographed in Choussy, France.
  • Photo: A Durangan rock rattlesnake (Crotalus lepidus maculosus) at the Houston Zoo, Houston, Texas.
  • A picture of a striped skunk (Mephitis mephitis varians) at The Wildlife Center in New Mexico.
  • Photo: A Sydney funnelweb spider (Atrax robustus) at the Taronga Zoo.
  • Photo: A green flying frog (Rhacophorus reinwardtii) at Tierpark Berlin in Germany.
  • Photo: A Hoffmann’s two-toed sloth (Choloepus hoffmanni pallescens) at Centro de Rescate Amazonico near Iquitos, Peru.
  • A razorback musk turtle (Sternotherus carinatus) from a private collection.
  • Photo: A Walker's owl butterfly (Erebus walkeri) from the wild at Park Assango, ONG Animal's World in Libreville, Gabon.
  • A bog turtle (Glyptemys muhlenbergii) an endangered (IUCN) and federally threatened species at the Atlanta Zoo.
  • Photo: An adult female song sparrow (Melospiza melodia euphonia) at Rum River Central Park.
  • Great Basin spadefoot toad (Spea intermontana) at the Arizona-Sonora Desert Museum.
  • An endangered Malayan tiger, Panthera tigris jacksoni, at the Omaha Zoo.
  • A picture of an endangered golden hamster (Mesocricetus auratus) at the Plzen Zoo in the Czech Republic.
  • A picture of an Indochinese roller (Coracias affinis) at the Santa Barbara Zoo.
  • A picture of a keeled box turtle (Cuora mouhotii mouhotii) at the Assam State Zoo in Guwahati, Assam, India.
  • Picture of a Brewer's blackbird (Euphagus cyanocephalus) at Tracy Aviary.
  • An endangered (IUCN) and federally endangered pygmy madtom (Noturus stanauli) at Conservation Fisheries. This stream fish is only found in the Clinch and Duck River drainages in Tennessee.
  • Picture of a Northern rosella parrot (Platycercus venustus) at Sylvan Heights Bird Park.
  • A California murre (Uria aalge californicus) egg from a collection at the University of Nebraska State Museum.
  • A picture of a variable sand snake (Sonora stramineus) from a private collection.
  • Photo: A speckled day gecko (Phelsuma guttata) at the Plzen Zoo.
  • Photo: Signal barb (Labiobarbus festivus) at Zoo Negara.
  • Picture of a vulnerable Hispaniolan or Haitian slider turtle (Trachemys decorata) at the Bermuda Aquarium, Museum and Zoo.
  • Picture of a Swainson's thrush (Catharus ustulatus), at St. Francis Wildlife Association, a wildlife rescue center near Quincy, Florida.
  • Picture of a butterfly splitfins or butterfly goodeids (Ameca splendens) at the Denver Aquarium, Denver, Colorado. This species is considered extinct in the wild.
  • A dull day gecko (Phelsuma dubia) from a private collection.
  • A male Mt. Kilimanjaro two-horned chameleon or dwarf Fischer's chameleon (Kinyongia tavetana) from the Omaha Zoo.
  • Picture of a Mississippi kite (Ictinia mississippiensis) at St. Francis Wildlife Association, a wildlife rescue center near Quincy, Florida.
  • Photo: A Mississippi kite (Ictinia mississippiensis) at the WildCare Foundation.
  • studio portrait of a lined snake, Tropidoclonion lineatum
  • Photo: A critically endangered Saiga antelope (Saiga tatarica tatarica) named ‘Mustafa’ at the Almaty Zoo in Almaty, Kazakhstan.
  • Picture of a federally endangered jaguar, Panthera onca, at the Omaha Henry Doorly Zoo.
  • Photo: An endangered red-fronted macaw (Ara rubrogenys) at the Miller Park Zoo.
  • Picture of two vulnerable long-tailed ducks or oldsquaw (Clangula hyemalis) in summer plumage at Patuxent Wildlife Research Center. The male is brown and has the long tail.
  • A meadow vole (Microtus pennsylvanicus pennsylvanicus) from Lincoln, Nebraska.
  • A Mertens' water monitor (Varanus mertensi) at the Omaha Henry Doorly Zoo.
  • Photo: A common or eastern great horned owl (Bubo virginianus virginianus) named Halsey from a private collection.
  • Photo: Cream-edged tiger beetle (Cicindela circumpicta) in a lab at the University of Nebraska-Lincoln.
  • A spotted salamander (Ambystoma maculatum) at Zoo Atlanta, Atlanta, Georgia.
  • Picture of a blue ground dove (Claravis pretiosa) at the Nispero Zoo.
  • A picture of a red-capped cardinal (Paroaria gularis gularis) at the Miller Park Zoo in Bloomington, Illinois.
  • Picture of Coolio, a vulnerable yellow-shouldered amazon parrot (Amazona barbadensis) at Alabama Gulf Coast Zoo.
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