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.

Explore the Photo Ark

Search the 41,860-picture Photo Ark for an animal or species. Scroll down to see every species in the Ark … if you’ve got all day.

  • 12,907 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
  • Picture of a red-winged pytilia (Pytilia phoenicoptera) from a private collection.
  • A threeridge mussel (Amblema plicata) 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 vulnerable, federally threatened male Steller's eider (Polysticta stelleri) at the Alaska SeaLife Center.
  • A black duiker (Cephalophus niger) at the Columbus Zoo.
  • Photo: White-browed blackbird (Sturnella superciliaris) in Choussy, France.
  • Picture of a Isla Nancy morph of the strawberry poison dart frog (Oophaga pumilio.)
  • Photo: Common sunstar (Crossaster papposus) at the Moscow Zoo.
  • Photo: Violet goby (Gobioides broussonnetii) at L'aquarium tropical du palais de la Porte DorŽe.
  • A giant Malayan katydid (Macrolyristes corporalis) at the Omaha Henry Doorly Zoo, Omaha, Nebraska.
  • Photo: A damselfly larvae in the family Conagrionidae at the Pontotoc Ridge Preserve near Connerville, OK.
  • A picture of a white faced heron (Egretta novaehollandiae novaehollandiae) at the Plzen Zoo.
  • Photo: A variable crayfish (Cambarus cf. latimanus) collected from Williamson Swamp Creek, Grantley, Alabama, by the West Liberty University Crayfish Conservation Lab. This species is brand new to science and will be named in the near future.
  • Photo: Spot-handed crayfish (Orconectes punctimanus) from the wild.
  • Photo: Orange-bellied parrot (Neophema chrysogaster) at Moonlit Sanctuary
  • Photo: True tomato frog (Dyscophus antongilii) at Omaha’s Henry Doorly Zoo.
  • Photo: A critically endangered, female Walden's hornbill, Rhabdotorrhinus waldeni, at Talarak Foundation.
  • Picture of a common lime butterfly (Papilio demoleus) at the National Botanical Garden in Santo Domingo, Dominican Republic.
  • Western scrub-jay (Aphelocoma californica) 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.
  • A critically endangered (IUCN) and federally endangered, juvenile Jamaican boa (Chilabothrus subflavus) from a private collection. The adults are yellow.
  • Livingstone's Turaco (Tauraco livingstonii) at the Houston Zoo. This specimen is twenty years old. His favorite food is grapes.
  • An egg-eating snake (Dasypeltis scabra scabra) at Zoo Atlanta.
  • Picture of an endangered Asian elephant (Elephas maximus).
  • Photo: A bluespar darter (Etheostoma meadiae) at the Aquatic Wildlife Conservation Center in Marion, Virginia.
  • Photo: A black-cheeked tongue fish (Symphurus plagiusa) photographed at Gulf Specimen Marine Lab and Aquarium.
  • Picture of a mated pair of spot-billed toucanets (Selenidera maculirostris) at the Dallas World Aquarium. The male is mostly black, with more brown in the female.
  • An endangered golden lion tamarin (Leontopithecus rosalia rosalia) at the Cheyenne Mountain Zoo.
  • Photo: Crevice brittle star (Ophiopholis aculeata) at the Alaska SeaLife Center in Seward, AK.
  • Coyote puppies (Canis latrans).
  • Photo: Red-wattled lapwing (Vanellus indicus) at Kamla Nehru Zoological Garden, Ahmedabad, India.
  • Photo: A white-naped jacobin hummingbird (Florisuga mellivora) from the wild in Gamboa, Panama.
  • A highly-endangered blue-throated macaw (Ara glaucogularis) at the Sedgwick County Zoo in Wichita.
  • An Indian flapshell turtle (Lissemys punctata andersoni) from the Assam State Zoo.
  • Photo: Common Indian krait (Bungaras caeruleus) at Kamla Nehru Zoological Garden, Ahmedabad, India.
  • Picture of a mountain pitviper (Ovophis monticola monticola) at the Saint Louis Zoo.
  • Photo: An eastern cottonmouth (Agkistrodon piscivorus piscivorus) at Reptile Gardens.
  • Bornean eared frog (polypedates otilophus) at the National Aquarium in Baltimore.
  • Photo: An English sparrow (house sparrow).
  • Picture of a magnificent flower beetle (Chelorrhina polyphemus) at the Cincinnati Zoo.
  • Picture of a brown spotted pit viper (Protobothrops mucrosquamatus) at the Dallas Zoo.
  • Bryn, the federally endangered Columbia Basin pygmy rabbit (Brachylagus idahoensis), sat for this portrait in 2007 at the Oregon Zoo in Portland, Oregon. She was one of two female Columbia Basin pygmy rabbits left, the end of the line for this race of animals. Since there are no males left, this means only animals intercrossed with the Idaho race will survive. She died in 2008, marking the end of her genetic line. This subpopulation lost its sagebrush habitat as the land was developed for agriculture in the state of Washington.
  • Photo: A tricolor or phantasmal dart frog (Epipediobates tricolor) at the National Aquarium in Baltimore.
  • Photo: An endangered mountain tapir (Tapirus pinchaque) at the LA Zoo.
  • South American snake-necked turtle (Hydromedusa tectifera) at the Detroit Zoo.
  • A beaded lizard (Heloderma horridum exasperatum) at Reptile Gardens.
  • Picture of a powder blue tang also known as a powderblue surgeonfish (Acanthurus leucosternon) at Nebraska Aquatic Supply.
  • Picture of a vulnerable Chinese goral (Naemorhedus griseus arnouxianus) at the Minnesota Zoo.
  • Picture of a critically endangered painted terrapin (Batagur borneoensis) at the Detroit Zoo.
  • A Florida scrub millipede (Floridobolus penneri) at the Archbold Biological Station on the Lake Wales Ridge of Florida.
  • Picture of a vulnerable Antipodes Island parakeet (Cyanoramphus unicolor) at the Kiwi Birdlife Park in Queenstown, New Zealand.
  • Picture of a mated pair of six-banded armadillos (Euphractus sexcinctus) named Dilla (bigger) and Marty at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • A picture of a double-crested cormorant (Nannopterum auritum) at the Cincinnati Zoo.
  • Constantine's Swallowtail (Papilio constantinus) at the Henry Doorly Zoo and Aquarium.
  • Picture of a rusty-spotted genet (Genetta maculata) at the Miller Park Zoo.
  • Partula snails (Partula nodosa) at the St. Louis Zoo's Monsanto Insectarium. Once found in French Polynesia, this species is now extinct in the wild.
  • Picture of a vulnerable Southern giant clam (Tridacna derasa) at Omaha's Henry Doorly Zoo and Aquarium.
  • A broken striped newt (Notophthalmus viridescens dorsalis) at the North Carolina Zoo.
  • Picture of a young eastern grey squirrel (Sciurus carolinensis carolinensis) at St. Francis Wildlife, a rehab center in Quincy, FL.
  • Photo: Common gundi (Ctenodactylus gundi) at the Budapest Zoo.
  • Picture of Chuxiong fire-bellied newts (Cynops cyanurus chuxiongensis) at the Saint Louis Zoo.
  • Picture of a Pacific spiny lumpsucker (Eumicrotremus orbis) at the Monterey Bay Aquarium.
  • Picture of a Baltimore oriole (Icterus galbula) at the Columbus Zoo.
  • A vulnerable Indian Sarus crane (Grus antigone antigone) named Ramani, meaning 'beautiful girl' in Indian.
  • Texas brown snake (Storeria dekayi texana) collected in Sarpy County, NE
  • Photo: A green winged trumpeter (Psophia viridis) at Mantenedor da Fauna Silvestre Cariuá.
  • Photo: A Sydney funnelweb spider (Atrax robustus) at the Taronga Zoo.
  • Photo: A twist-necked turtle (Platemys platycephala melanonota) at Huachipa Zoo in Lima, Peru.
  • Photo: Asian cockroaches (Blattella asahinai) at the Urban Entomology Lab at the University of Florida at Gainesville.
  • Photo: A roadside hawk (Rupornis magnirostris occiduus) at Huachipa Zoo in Lima, Peru.
  • Mali spiny tailed lizard (Uromastyx dispar maliensis) at Scaly Dave's Herp Shack in Manhattan, Kansas.
  • Ornate horned frog (Ceratophrys ornata) at the Tennessee Aquarium.
  • Photo: Spanish newt (Lissotriton boscai) at Moscow Zoo.
  • Photo: A black wildebeest or White-tailed gnu (Connochaetes gnou) at the Singapore Zoo.
  • Photo: Asian koel (Eudynamys scolopaceus chinensis) at ACCB in Siem Reap, Cambodia.
  • Picture of an endangered Matschie's tree-kangaroo with her joey (Dendrolagus matschiei) at Zoo Miami.
  • Photo: A brown colonial anemone (Palythoa grandiflora) at the Butterfly Pavilion.
  • Picture of an endangered Boeseman's rainbowfish (Melanotaenia boesemani) at the LA Zoo.
  • A wolf spider (Hogna osceola) at the Archbold Biological Station.
  • Photo: An endangered female Baird's tapir (Tapirus bairdii) at the Audubon Zoo. This animal is named Ixchel.
  • Photo: An Andean silverspot (Dione glycera) at Museo d’Orbigny.
  • A red bark scorpion (Babycurus jacksoni) at Omaha's Henry Doorly Zoo and Aquarium.
  • A male painted bunting (Passerina ciris) at the Brown Ranch in Texas. (IUCN: Near Threatened)
  • Photo: Schoolmaster snapper (Lutjanus apodus) at the Albuquerque BioPark Aquarium.
  • 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: Giant Emperor or Giant Charaxes (Charaxes castor) at the San Antonio Zoo.
  • Picture of a vulnerable white-crowned pigeon (Patagioenas leucocephala) from a private collection in the Dominican Republic.
  • Photo: A female Calumma malthe from a private collection.
  • Photo: Yellow tree coral (Dendrophyllia cornigera) at the Lisbon Aquarium.
  • Photo: An endangered Sri Lankan elephant (Elephas maximus maximus) at Singapore Zoo.
  • European fire salamander (Salamandra salamandra bernardezi) at the St. Louis Zoo.
  • Photo: Barred owl (Strix varia varia) at Monticello Center in Italy.
  • Picture of a male common shelduck (Tadorna tadorna) at Sylvan Heights Bird Park.
  • Picture of a female Bonaparte's gull, Chroicocephalus philadelphia, at the Santa Barbara Zoo.
  • Photo: An Everglades blue crayfish (Procambarus alleni) at the Audubon Insectarium, part of the Audubon Nature Institute.
  • Narrow-headed garter snake (Thamnophis rufipunctatus) at the Phoenix Zoo.
  • Photo: A jewel cichlid (Hemichromis sp.) from a private collection.
  • Photo: Flannelmouth sucker (Catostomus latipinnis) at Lake Mead Hatchery, Nevada.
  • Photo: A male Northern cardinal (Cardinalis cardinalis cardinalis) at the Carolina Waterfowl Rescue.
  • Picture of a Burmese vine snake (Ahaetulla fronticincta) at the Woodland Park Zoo.
  • Photo: A king vulture (Sarcorhamphus papa) at the Great Plains Zoo.
  • Photo: Hybrid Dusky lorikeet x yellow-streaked lorikeet hybrid at the Dallas Zoo. The bird's name is Pig Pen.
  • Photo: An endangered whitefin or whiteseam fighting fish (Betta albimarginata) from a private collection in Knoxville, Tennessee.
  • Photo: Endangered bluemask darters (Etheostoma akatulo) at Conservation Fisheries.
  • Photo: A Peruvian blonde tarantula (Lasiodorides polycuspulatus) at the Great Plains Zoo in Sioux Falls, South Dakota.
  • Photo: A speckled chachalaca (Ortalis guttata subaffinis) at BioParque do Rio.
  • Photo: A Mindoro bulbul (Hypsipetes mindorensis) on Semirara Island in the Philippines.
  • Photo: A black-naped oriole (Oriolus chinensis chinensis) on Semirara Island in the Philippines.
  • Picture of a common eastern bumblebee (Bombus impatiens) at the Insectarium in New Orleans.
  • Photo: Two Chapman's zebras (Equus quagga chapmani) at Wroclaw Zoo.
  • Photo: A Mormyrus rume at L'aquarium tropical du palais de la Porte DorŽe.
  • Picture of a federally endangered, American alligator (Alligator mississippiensis) at the Kansas City Zoo.
  • A gliding treefrog (Agalychnis spurrelli) collected near Pilalo, Ecuador. This individual used to be called Agalychnis litodryas.
  • Photo: A hawfinch (Coccothraustes coccothraustes coccothraustes) at Centro Fauna Selvatica "Il Pettirosso".
  • A female West African dwarf crocodile (Osteolaemus tetraspis tetraspis) at the Woodland Park Zoo. This species is federally endangered and listed as vulnerable on IUCN.
  • Coyote puppies (Canis latrans).
  • A side-striped palm pit viper (Bothriechis lateralis) at the Houston Zoo, Houston, Texas.
  • Photo: Pinecone soldierfish (Myripristis murdjan) at Loro Parque.
  • Picture of Beaker, a red-shouldered macaw (Diopsittaca nobilis nobilis) at Alabama Gulf Coast Zoo.
  • Photo: A northern spring salamander (Gyrinophilus porphyriticus porphyriticus) at the Toledo Zoo.
  • A picture of an Asian box turtle (Cuora 'serrata') from the Turtle Survival Center.
  • Photo: A scorpion (Buthacus leptochelys) at the University of Porto in Portugal
  • Photo: A Gordon's wildcat (Felis lybica gordoni) at Zoopark Zajezd.
  • Photo: A tropical milkweed butterfly (Lycorea halia cleobaea) at the National Botanical Garden in Santo Domingo, Dominican Republic.
  • Picture of a rose-breasted grosbeak (Pheucticus ludovicianus) at Nebraska Wildlife Rehab, Inc.
  • A federally endangered fanshell (Cyprogenia stegaria) taken from the Clinch River near Sneedville.
  • Photo: White woodpecker (Melanerpes candidus) in Choussy, France.
  • Photo: A male archduke (Lexias pardalis dirteana) at Malacca Butterfly and Reptile Sanctuary.
  • A picture of a black-capped parakeet (Pyrrhura rupicola sandiae) at Loro Parque Fundacion.
  • Photo: Horsehead grasshopper (Pseudoproscopia latirostris) at Wroclaw Zoo.
  • Photo: A Jonah crab (Cancer borealis) at the Maine State Aquarium in West Boothbay, ME.
  • Photo: A Komodo dragon, Varanus komodoensis, at Sedgwick County Zoo. This animal is less than three months old and was a parthenogenetic birth.
  • A grey-headed bushshrike (Malaconotus blanchoti hypopyrrhus) collected at Chitengo Camp in Gorongosa National Park in Mozambique, Africa.
  • Photo: A swimming crab (Achelous xantusii) at California Science Center in Los Angeles, California.
  • Photo: An endangered Iberian lynx (Lynx pardinus) at the Madrid Zoo. This is a male named Kalama, part of a breeding program for this rare cat species.
  • Photo: A male black-naped oriole (Oriolus chinensis yamamurae) at Eltoro Zoo de la Castellana, Inc., on Negros Island, Philippines.
  • A picture of a West African gaboon viper (Bitis rhinoceros) at Zoo Atlanta.
  • Southeast Asian softshelled turtle (Amyda cartilaginea cartilaginea) a vulnerable species at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: A jararaca (Bothrops jararaca) at the Kentucky Reptile Zoo in Slade, Kentucky.
  • Photo: A Fowler’s toad (Anaxyrus fowleri) from the Conasauga River.
  • A Mandarin emperor newt (Tylototriton shanjing) at the Cheyenne Mountain Zoo.
  • Photo: A Western smooth knob-tailed gecko (Nephrurus levis pilbarensis) from a private collection.
  • Photo: An endangered red and blue lory, Eos histrio talautensis, at the Talarak Foundation.
  • Photo: A critically endangered yellow-crested cockatoo (Cacatua sulphurea parvula) at Ragunan Zoo in Jakarta, Indonesia.
  • Photo: A male reticulated siren (Siren reticulata) at Joe Budd Wildlife Management Area near Quincy, FL.
  • Photo: An Alabama map turtle (Graptemys pulchra) at the Cheyenne Mountain Zoo.
  • Photo: A parakeet auklet (Aethia psittacula) named Squirt at the North Carolina Zoo in Asheboro, North Carolina.
  • Photo: New Mexico milksnake (Lampropeltis triangulum celaenops) at the Albuquerque BioPark Aquarium.
  • Green frog (Rana clamitans) at the Toledo Zoo.
  • Picture of a female Socorro dove (Zenaida graysoni) named 'Doc' at the Tracy Aviary.
  • Photo: Stumpff's Madagascar ground gecko, Paroedura stumpffi, at the Plzen Zoo.
  • Picture of two vulnerable Malayan flat shelled turtles (Notochelys platynota) at the Knoxville Zoo.
  • A Norhayati's flying frog (Rhacophorus norhayatii) from a private collection.
  • Photo: A female America golden eagle (Aquila chrysaetos canadensis) at World Bird Sanctuary near St. Louis, MO. Her name is Kili, which is Lakota for “Awesome”.
  • A diamond python (Morelia spilota spilota) at the Gladys Porter Zoo in Brownsville, Texas.
  • Picture of an endangered Northern helmeted curassow (Pauxi pauxi pauxi) at the National Aviary of Colombia.
  • Photo: Brown woolly monkey (Lagothrix lagotricha) at the Louisville Zoo. This species is listed as Vulnerable according to IUCN.
  • Picture of a painted stork (Mycteria leucocephala) at Kamla Nehru Zoological Garden, Ahmedabad, India.
  • Photo: A female carpenter ant (Camponotus sansabeanus) at the Dallas Zoo. This animal was collected from South Padre Island.
  • Dabb spiny-tailed lizard (Uromastyx acanthinura) at the Fort Worth Zoo.
  • Photo: An Eastern screech owl (Megascops asio naevius) at the Carolina Waterfowl Rescue.
  • Picture of a mountain pitviper (Ovophis monticola monticola) at the Saint Louis Zoo.
  • Photo: Lady crab or sand crab (Arenaeus cribrarius) at Gulf Specimen Marine Lab and Aquarium.
  • A volcano rabbit (Romerolagus diazi) at Chapultepec Zoo in Mexico City. (IUCN: Endangered)
  • Photo: A ripple elimia (Elimia lecontiana) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.
  • Picture of a burrowing owl (Athene cunicularia troglodytes) from a private collection in the Dominican Republic.
  • A yellow-headed blackbird (Xanthocephalus xanthocephalus) at the Wildlife Center in Espanola, New Mexico.
  • Picture of a critically endangered (IUCN) and federally endangered Vancouver Island marmot, Marmota vancouverensis, at the Toronto Zoo.
  • Vulnerable (IUCN) Oregon spotted frog (Rana pretiosa) at the Sunriver Nature Center in Deschutes County, OR.
  • Photo: Desert patch-nosed snake (Salvadora hexalepis hexalepis) at the Arizona-Sonora Desert Museum.
  • Photo: Closed brain coral (Symphyllia) at the Loveland Living Planet Aquarium.
  • Photo: Chinese cave gecko (Goniurosaurus hainanensis) at Loro Parque.
  • New River morph of a dyeing poison frog (Dendrobates tinctorius) from a private collection.
  • Photo: A lesser hedgehog tenrec (Echinops telfairi) at the Lincoln Children’s Zoo in Lincoln, Nebraska.
  • Photo: Goias parakeet (Pyrrhura pfrimeri) a species found in Brazil at a private collection.
  • Photo: A golden striped salamander (Chioglossa lusitanica) at the Biodiversity Hall of Natural History and Science Museum.
  • Picture of a Himalayan wolf (Canis himalayensis) at the Padmaja Naidu Himalayan Zoological Park, in Darjeeling, India.
  • Photo: An endangered red and blue lory, Eos histrio talautensis, at the Talarak Foundation.
  • Picture of an endangered white-tailed black cockatoo (Calyptorhynchus baudinii) at the Lowry Park Zoo.
  • Picture of a Haitian dwarf boa (Tropidophis haetianus) at the St. Louis Zoo.
  • A Cuban boa (Chilabothrus angulifer) at the Palm Beach Zoo.
  • Pcture of a burrowing owl (Athene cunicularia troglodytes) from a private collection in the Dominican Republic.
  • Picture of a Conant's milk snake (Lampropeltis triangulum conanti) at Pet Paradise.
  • Photo: Freshwater shrimp (Palaemonetes antennarius) at Alpenzoo in Innsbruck, Austria.
  • Photo: A Thayeri kingsnake (Lampropeltis mexicana thayeri) at Pet Paradise.
  • Photo: A tropical screech owl (Megascops choliba decussatus) at Cetas-IBAMA, a wildlife rehab center in Manaus, Brazil.
  • A long-eared owl (Asio otus tuftsi) at The Wildlife Center in Espanola, NM.
  • Photo: Java combtail (Belontia hasselti) at Zoo Negara.
  • Photo: A striped newt (Notophthalmus perstriatus) at the Sedgwick County Zoo.
  • Photo: The painted hickory borer (Megacyllene caryae) from a private collection.
  • Picture of a Yellow phase of the strawberry poison dart frog (Oophaga (Dendrobates) pumilio) at the National Aquarium in Baltimore.
  • A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.
  • Picture of a vulnerable (IUCN) and federally threatened Atlantic loggerhead turtle (Caretta caretta) at the Riverbanks Zoo, Columbia, South
  • Plains leopard frog (Lithobates blairi) at Fenton Farm.
  • Photo: Balkan loach (Cobitis elongata) at Alpenzoo in Innsbruck, Austria.
  • Photo: Lowland leopard frog (Lithobates yavapaiensis) at the Arizona-Sonora Desert Museum.
  • Photo: A honeycomb filefish (Cantherhines pardalis) at Semirara Marine Hatchery Laboratory in the Philippines.
  • Photo: A yellow-backed ornamental tarantula, Poecilotheria smithi, from a private collection.
  • Photo: Allegheny mudbug (Cambarus monongalensis) from the wild.
  • A Geoffroy’s cat (Leopardus geoffroyi geoffroyi) at the Cincinnati Zoo. His name is Chano, which means Lucky in Spanish.
  • Photo: A critically endangered bluetail splitfin (Ataeniobius toweri) at the Denver Aquarium, Denver, Colorado.
  • Picture of a critically endangered (IUCN) and federally endangered Siberian crane (Leucogenranus leucogeranus) at the Tulsa Zoo.
  • Photo: An endangered Annamese Langur (Trachypithecus margarita) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.
  • A California murre (Uria aalge californicus) egg from a collection at the University of Nebraska State Museum.
  • A vulnerable bearded pig (Sus barbatus) at the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Sacramento splittail (Pogonichthys macrolepidotus) at the University of California, Davis.
  • Beautiful shiner (Cyprinella formosa mearnsi) at the Arizona-Sonora Desert Museum in Tucson, AZ.
  • Picture of A red-breasted merganser (Mergus serrator) in non-breeding plumage at Sylvan Heights Bird Para.
  • An Espada's marsupial frog (Gastrotheca testudinea) at Pontificia Universidad Católica del Ecuador.
  • Photo: A coppery titi monkey (Callicebus cupreus) at the Denver Zoo.
  • Photo: A fieldfare (Turdus pilaris) at the Plzen Zoo in the Czech Republic.
  • Photo: A crested bobwhite (Colinus cristatus parvicristatus) at the National Aviary of Colombia.
  • Photo: Zimbabwe girdled lizard (Cordylus rhodesianus) at the Phoenix Zoo.
  • Picture of a vulnerable Javan lutung (Trachypithecus auratus) at the Omaha Zoo.
  • Red-lored Amazon parrot (Amazona autumnalis autumnalis) at the Bramble Park Zoo.
  • A Northern crescent butterfly (Phyciodes cocyta) from a prairie near Cross Lake, Minnesota.
  • An Osage copperhead (Agkistrodon contortrix phaeogaster) at Reptile Gardens.
  • Arboreal mantella (Mantella laevigata) at the Toledo Zoo.
  • Carpenter bee (Xylocopa virginica virginica) at the St. Louis Zoo.
  • Photo: A desert blond tarantula (Aphonopelma chalcodes) at the Kansas City Zoo.
  • Photo: Two killifish (Aphanius saldae) at the Zoological Society of London.
  • Photo: A female Faeroe Island eider (Somateria mollissima faeroeensis) at Lundi Farm in Verl, Germany.
  • Photo: A red acouchi (Myoprocta acouchy) at the Faunia zoo in Madrid, Spain.
  • Picture of a Central Brazilian rattlesnake (Crotalus durissus terrificus) at the Oklahoma City Zoo.
  • Photo: Two female Defassa waterbuck (Kobus ellipsiprymnus defassa) at Parco Natura Viva in Bussolengo, Italy.
  • Photo: Two Gordon's purple mossy frogs (Theloderma gordoni) play dead at Reptile Gardens.
  • Picture of an endangered female Key deer (Odocoileus virginianus clavium) at Lowry Park Zoo in Tampa, FL.
  • Photo: Sleeper gold head goby (Valenciennea strigata) at Pure Aquariums.
  • Photo: Walking stick (Aretaon sp. "Palawan") at the Budapest Zoo.
  • Picture of an endangered (IUCN) and federally endangered liontailed macaque, Macaca silenus, at Singapore Zoo.
  • Festive Amazon (Amazona bodini) at Parque Jaime Duque near Bogota, Colombia.
  • Photo: A LeConte’s sparrow (Ammospiza leconteii) at Wild Bird Rehabilitation in St. Louis, MO.
  • Eastern fox snake (Pantherophis gloydi) at the Cleveland Metroparks Zoo.
  • Picture of an albino house mouse (Mus musculus) named salt at the Point Defiance Zoo.
  • Photo: Hasari, a federally endangered three-year-old cheetah (Acinonyx jubatus) at White Oak Conservation Center.
  • A yellow-faced bumblebee (Bombus vosnesenskii) at A Rocha Brooksdale Environmental Center in Surrey, BC.
  • A red salamander (Pseudotriton ruber) at Zoo Atlanta, Atlanta, Georgia.
  • Picture of an Abyssinian ground hornbill (Bucorvus abyssinicus) at the Denver zoo, Denver, Colorado.
  • Scarlet macaws (Ara macao) at the Henry Doorly Zoo in Omaha, Nebraska.
  • Photo: Lady crab (Arenaeus cribrarius) at Gulf Specimen Marine Lab.
  • A speckled cape tortoise/padloper (Homopus signatus signatus) at the St. Louis Zoo.
  • Photo: A female variable sunbird (Cinnyris venustus falkensteini) from Mt. Gorongosa in Gorongosa National Park.
  • Northern white-faced owls (Ptilopsis leucotis) named Gizmo and Dobby, at the Cincinnati Zoo.
  • A compton tortoiseshell butterfly (Nymphalis vaualbum) from Cross Lake, Minnesota.
  • A Mertens' water monitor (Varanus mertensi) at the Omaha Henry Doorly Zoo.
  • Photo: An oiled Pacific loon (Gavia pacifica) in winter plumage at International Bird Rescue Center.
  • Photo: An Eurasian goldfinch (Carduelis carduelis frigoris) at Zoo Plzeň.
  • Photo: A song thrush (Turdus philomelos philomelos) at the Plzen Zoo in the Czech Republic.
  • Photo: A Mrs. Hume's pheasant (Syrmaticus humiae humiae) from a private collection.
  • A robber frog (Eleutherodactylus w-nigrum or Pristimantis w-nigrum).
  • Photo: A timber rattlesnake (Crotalus horridus horridus) at Reptile Gardens.
  • Photo: A bigtooth or Henlei freshwater stingray, Potamotrygon henlei, at Shark Reef Aquarium.
  • Photo: A Thorold's deer (Cervus albirostris) at the Prague Zoo. This species is listed as vulnerable on the IUCN Red List.
  • An endangered flat-tailed day gecko (Phelsuma serraticauda) at the Houston Zoo.
  • A federally-endangered snail kite (Rostrhamus sociabilis) at the Audubon Center for Birds of Prey, a rehab and education center.
  • Photo: An unidentified tooth coral (Galaxea sp.) at the Akron Zoo.
  • An American toad (Anaxyrus americanus) at the Genoa National Fish Hatchery.
  • Picture of a red-tailed hawk (Buteo jamaicensis jamaicensis) at Parque Zoologico Nacional, the zoo in Santo Domingo, Dominican Republic.
  • A curve-billed thrasher (Toxostoma curvirostre) named Albon at The Living Desert in Palm Desert, California.
  • An eastern American toad (Bufo americanus americanus) found in Watertown, NY.
  • Photo: Western grebes (Aechmophorus occidentalis) at International Bird Rescue Center.
  • A federally endangered peregrine falcon (Falco peregrinus) at the Raptor Recovery Center, Lincoln, Nebraska.
  • A wild caught pygmy grasshopper (Hymenotes triangularis) from Mt. Makiling forest in Luzon, Philippines.
  • Photo: A banded leporinus (Leporinus fasciatus) at the Oklahoma City Zoo.
  • Photo: Mottled owl (Strix virgata) at Monticello Center in Italy.
  • Peru marsupial frog (Gastrotheca peruana) at the National Aquarium in Baltimore.
  • Photo: A Loja rocket frog (Hyloxalus elachyhistus) at Balsa de los Sapos.
  • Picture of a rabid wolf spider (Lycosa rabida) at the Dallas Zoo.
  • Photo: A male grey junglefowl (Gallus sonneratii) at Redmon Aviaries, Greenleaf, ID.
  • Sonoran mountain kingsnake (Lampropeltis pyromelana) at the Arizona-Sonora Desert Museum.
  • Photo: An Amazonian poison frog (Ranitomeya amazonica) from Josh’s Frogs in Owosso, Michigan.
  • Photo: A female Malayan great argus pheasant (Argusianus argus argus) at Redmon Aviaries.
  • Photo: A Steppe agama (Trapelus sanguinolentus) at Prague Zoo.
  • Photo: Buckwheat, a golden Polish chicken at the Soukup Farm.
  • Photo: A crocodile lizard (Shirisaurus crocodilurus) at the Omaha's Henry Doorly Zoo.
  • A hippopotamus (Hippopotamus amphibius) at the San Antonio Zoo. (IUCN: Vulnerable)
  • A picture of a Haitian boa (Chilabothrus striatus exagistus) at the Omaha Zoo.
  • Picture of a Texas whitetail deer named 'Sonny' (Odocoileus virginianus texanus) at the Oklahoma City Zoo.
  • Photo: Giant Asian mantis (Hierodula membranacea) at the Insectarium in New Orleans.
  • Picture of a West African forest gecko (Hemidactylus kyaboboensis) from a private collection.
  • Photo: A crimson anemone (Cribrinopsis fernaldi) at the Indianapolis Zoo.
  • White-cloaked tiger beetle (Cincindela togata) in a lab at the University of Nebraska-Lincoln.
  • Photo: An Atlantic surf clam (Spisula solidissima) at the Maine State Aquarium in West Boothbay, ME.
  • Photo: Sailfin sculpin (Nautichthys oculofasciatus) at Aquarium of the Pacific in Long Beach, CA.
  • Photo: A Venezuelan sun tiger (Psalmopoeus irminia) at Omaha's Henry Doorly Zoo
  • Photo: A Mexican west coast rattlesnake (Crotalus basiliscus) at Reptile Gardens.
  • Photo: An endangered Von der Decken's sifaka, Propithecus deckenii, at Lemuria Land.
  • Photo: An Eques cory (Corydoras eques) at the Denver Zoo.
  • A yellow-shafted flicker (Colaptes auratus luteus) at Nebraska Wildlife Rehab, Inc.
  • Photo: An unidentified giant stonefly nymph (Pteronarcys sp.) collected by the West Liberty University Crayfish Conservation Lab. This insect was collected from Seven Springs, Pennsylvania
  • Photo: A Yellow-breasted fruit dove (Ramphiculus occipitalis) at the Avilon Zoo.
  • Photo: Great star coral (Montastraea cavernosa) at Mote Tropical Research Laboratory.
  • Picture of a white-crested kalij pheasant (Lophura leucomelanos hamiltoni) at Himalayan Nature Park in Kufri.
  • A picture of a female band-winged meadowhawk (Sympetrum occidentale) at Cedar Point Biological Station.
  • A North American beaver (Castor canadensis).
  • An upside-down jelly fish (Cassiopea sp.) from the wild on Saddlebunch Key, Florida.
  • A reindeer (Rangifer tarandus) at the Miller Park Zoo in Bloomington, Illinois.
  • A federally endangered female Alabama beach mouse (Peromyscus polionotus ammobates).
  • Photo: A Spanish hogfish (Bodianus rufus) at Shark Reef Aquarium at Mandalay Bay, Las Vegas, NV.
  • Photo: Banded horned treefrog (Hemiphractus fasciatus) at El Valle Amphibian Center.
  • An Australian freshwater crocodile (Crocodylus johnsoni) at the Omaha Zoo.
  • Photo: An Alabama crayfish (Faxonius alabamensis) collected from Indian Creek, Tennessee, by the West Liberty University Crayfish Conservation Lab.
  • Northern crescent (Phyciodes cocyta) from a prairie woodland near Cross Lake, Minnesota.
  • Photo: A male Siberian ibex (Capra sibirica) at Wroclaw Zoo.
  • Photo: Sun beetle (Pachnoda marginata marginata) at the Budapest Zoo.
  • A federally endangered light-footed clapper rail (Rallus longirostris levipes) at the Chula Vista Nature Center.
  • Picture of an endangered (IUCN) and federally endangered Black footed ferret (Mustela nigripes) at the Toronto Zoo.
  • A picture of a critically endangered Maingano cichlid (Pseudotropheus cyaneorhabdos) from a private collection.
  • Picture of a vulnerable West Indian whistling duck (Dendrocygna arborea) at Sylvan Heights Bird Park.
  • Picture of a ribboned seadragon (Haliichthys taeniophorus) at the Dallas World Aquarium.
  • Picture of an endangered (IUCN) and federally endangered black-footed ferret (Mustela nigripes) at the Cheyenne Mountain Zoo.
  • Three-striped poison dart frog (Ameerega trivittata) from a private collection.
  • Photo: A juvenile big-eared opossum (Didelphis aurita) at the Membeca Lagos Farm, near Rio de Janeiro, Brazil.
  • White-throated monitor (Varanus albigularis albigularis) at the Omaha Zoo.
  • An eastern coachwhip (Masticophis flagellum flagellum) from a private collection.
  • Photo: A long-tailed bushbaby (Otolemur crassicaudatus) at Duke Lemur Center in Durham, North Carolina.
  • Bushy-tailed jird (Sekeetamys calurus) at the Omaha Zoo.
  • Photo: A machaonides swallowtail (Heraclides machaonides) at the National Botanical Garden in Santo Domingo, Dominican Republic.
  • Photo: A male moustached tamarin (Saguinus mystax) at the Prague Zoo.
  • Brown booby (Sula leucogaster brewsteri) in adult plumage at International Bird Rescue Center.
  • A vulnerable black marsh turtle (Siebenrockiella crassicollis) in a private collection in Houston, Texas.
  • Photo: A male baby American badger (Taxidea taxus taxus) at Nebraska Wildlife Rehab in Omaha, Nebraska.
  • An eyelash viper (Bothriechis schlegelii) at Reptile Gardens.
  • An endangered (IUCN) Golfodulcean poison frog (Phyllobates vittatus) from a private collection.
  • Photo: A critically endangered Reunion Island ornate day gecko, Phelsuma inexpectata, at the Plzen Zoo.
  • A picture of a Leisler's bat, Nyctalus leisleri leisleri, at Wildwood Trust near Canterbury, England.
  • A federally-endangered Key Largo wood rat (Neotoma floridana smalli). There are approximately 250 or fewer of these animals left.
  • Photo: A brambling (Fringilla montifringilla) at Centro Fauna Selvatica "Il Pettirosso".
  • A critically endangered Axolotl (Ambystoma mexicanum) at the Detroit Zoo, Detroit, Michigan.
  • Picture of a fringe tree frog (Cruziohyla craspedopus) from the Atlanta Botanical Gardens.
  • Photo: A male moustached tamarin (Saguinus mystax) at the Prague Zoo.
  • A common kingsnake or albino eastern kingsnake (Lampropeltis getula getula) at the Tennessee Aquarium.
  • A picture of a female black vasa, (Coracopsis nigra libs) at Loro Parque Fundacion.
  • Armenian viper (Montivipera raddei) at the St. Louis Zoo.
  • Photo: Seven juvenile Virginia opossums (Didelphis virginiana virginiana) at the WildCare Foundation, a wildlife rehabber in Noble, Oklahoma.
  • A picture of a female red-femured spotted orbweaver (Neoscona domiciliorum) caught in the Tide Swamp Unit of Big Bend Wildlife Management Area.
  • Photo: Otto catfish (Otocinclus affinis) from a private collection.
  • A flower's gerbil (Gerbillus floweri) at the Omaha Zoo.
  • An Egyptian spiny-tailed lizard (Uromastyx aegyptia) at Reptile Gardens.
  • Photo: An Australian water rat (Hydromys chrysogaster) at the Plzen Zoo.
  • A black-crowned night heron (Nycticorax nycticorax hoactli) at The Living Desert in Palm Desert, California. His name is James Bond because his ISIS number is 007.
  • Photo: A cocoi heron (Ardea cocoi) at the National Aviary breeding center.
  • Picture of a Malaysian frog or mahogany frog (Hylarana luctuosa) from a private collection.
  • Photo: Thai bamboo rat snake (Elaphe porphyracea coxi) at the Miller Park Zoo.
  • Photo: A cordilleran parakeet (Psittacara frontatus minor) at Loro Parque Fundacion.
  • Photo: A three banded plover (Charadrius tricollaris) at the Plzen Zoo in the Czech Republic.
  • Picture of a serval (Leptailurus serval) at the Denver zoo.
  • Picture of a red-bellied piranha (Pygocentrus nattereri) at the Oklahoma City Zoo.
  • Picture of a blue wood shrimp (Atya gabonensis) at Pure Aquariums.
  • Photo: Female Andean cock-of-the-rock (Rupicola peruviana sanguinolenta) at the Dallas World Aquarium.
  • Picture of a dunlin (Calidris alpina pacifica) at the Monterey Bay Aquarium.
  • Feather blenny (Hysoblennius hentz) at Gulf Specimen Marine Lab and Aquarium.
  • A great southern white butterfly (Ascia monuste) at the Gladys Porter Zoo in Brownsville, Texas.
  • Picture of a Radjah shelduck (Tadorna radjah) at Sylvan Heights Bird Park.
  • Arabian oryx, Oryx leucoryx, at the Phoenix Zoo. This species is listed as vulnerable.
  • Photo: A endangered black footed golden poison frog (Phyllobates terribilis) photographed at the Amphibian Foundation in Atlanta, Georgia.
  • Picture of a yellow-tailed oriole (Icterus mesomelas) at the National Aviary of Colombia.
  • Photo: A Dolly Varden trout (Salvelinus malma) at the Alaska SeaLife Center.
  • Photo: A crab-eating macaque (Macaca fascicularis fascicularis) at Monkey Forest.
  • Photo: A desert horned lizard (Phryrnosoma platyrhinos) at the Fort Worth Zoo.
  • Photo: A striped Raphael catfish (Platydoras costatus) at Jurong Bird Park, part of Wildlife Reserves Singapore.
  • A federally endangered Karner blue butterfly (Lycaeides melissa samuelis) at the Toledo Zoo.
  • Picture of an African rock python (Python sebae) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa. This was a confiscated anim
  • Picture of a powder blue tang also known as a powderblue surgeonfish (Acanthurus leucosternon) at Nebraska Aquatic Supply.
  • A speckled pigeon (Columba guinea) at the Columbus Zoo.
  • Photo: Checkered keelback or Asiatic water snake (Xenochrophis piscator) at Kamla Nehru Zoological Garden, Ahmedabad, India.
  • Photo: A Everett's scops owl (Otus everetti) at the Philippine Eagle Center.
  • Photo: A green lacewing (Chrysopa species) collected at Spring Creek Prairie near Denton, NE.
  • A picture of a female common fruit-piercing moth (Eudocima phalonia) at ACCB in Siem Reap, Cambodia.
  • Photo: Carpenter bee (Xylocopa violacea) at Graham's Quinta dos Malvedos Vineyard.
  • Picture of a Mexican spotted wood turtle (Rhinoclemmys rubida rubida) at the Turtle Conservancy.
  • Photo: A spectacled owl (Pulsatrix perspicillata chapmani) at Zoologico de Quito.
  • A Barbary falcon (Falco pelegrinoides).
  • Photo: Anatolian viper (Vipera albizona) at the St. Louis Zoo.
  • A Texas toad (Anaxyrus speciosus) at the San Antonio Zoo.
  • A green tree frog (Hyla cinerea) at the Rolling Hills zoo.
  • Photo: A European water vole, Arvicola terrestris, at Wildwood Trust near Canterbury, England.
  • Photo: Hybrid Dusky lorikeet x yellow-streaked lorikeet hybrid at the Dallas Zoo. The bird's name is Pig Pen.
  • A bog turtle (Glyptemys muhlenbergii) an endangered (IUCN) and federally threatened species at the Atlanta Zoo.
  • Photo: A female oncilla (Leopardus tigrinus tigrinus) at the Prague Zoo. This species is listed as vulnerable on the IUCN Red List.
  • Photo: Striped velvet gecko (Homopholis fasciata) at Wroclaw Zoo.
  • Photo: A pigeon, Columbidae sp., at the home of bird rescuer in Lincoln, Nebraska.
  • A picture of a white faced heron (Egretta novaehollandiae novaehollandiae) at the Plzen Zoo.
  • Picture of a rosy wolfsnail (Euglandina rosea) at the Central Florida Zoo.
  • A picture of a Pacific boa (Candoia carinata carinata) at the Wroclaw Zoo.
  • Photo: An Atlantic needlefish (Strongylura marina) at Gulf Specimen Marine Lab and Aquarium.
  • Juvenile mink (Neovison vison).
  • A grey carpetshark (Chiloscyllium punctatum) at the Oklahoma City Zoo.
  • Photo: A broad-striped dwarf siren (Pseudobranchus striatus striatus) at the Riverbanks Zoo in Columbia, SC.
  • A tufted puffin (Fratercula cirrhata) at the Omaha Henry Doorly Zoo, in Omaha, Nebraska.
  • A picture of an Australasian shoveler (Spatula rhynchotis) at the Sylvan Heights Bird Park.
  • Photo: Sponge (Placospongia) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: Saffron cod (Eleginus gracilis) at the Alaska SeaLife Center.
  • Photo: Six Panacea fiddler crab (Uca panacea) at Gulf Specimen Marine Lab and Aquarium.
  • A California scrub jay (Aphelocoma californica californica) at Wildlife Images, a rehabilitation center near Merlin, OR.
  • Photo: An endangered Indian narrow-headed softshell turtle (Chitra indica) at the Kukrail Gharial and Turtle Rehabilitation Centre in Lucknow, India.
  • Photo: A Barbary partridge (Alectoris barbara) at the Plzen Zoo.
  • An acorn woodpecker (Melanerpes formicivorus) at Wildlife Images, an animal rehabilitation center near Merlin, Oregon.
  • A picture of a geometrid moth (Macrolyrcea moesta) at Fauna Andina at Fauna Andina, a conservation center near south-central Chile.
  • Plains leopard frog (Lithobates blairi) at Fenton Farm.
  • Photo: A endangered male marojejy rainbowfish (Bedotia marojejy) at Denver Zoo.
  • A Guam rail (Hypotaenidi owstoni) at the Sedgwick County Zoo, Wichita, Kansas. Though reintroduction efforts are underway, this species is considered extinct in the wild (IUCN) and federally endangered.
  • Coyote puppies (Canis latrans).
  • Picture of a male and female silver teal (Spatula versicolor) at Sylvan Heights Bird Park.
  • A Southern screamer (Chauna torquata) at the Kansas City Zoo.
  • An endangered (IUCN) and federally endangered San Esteban chuckwalla, Sauromalus varius, at the Arizona Sonora Desert Museum
  • A North American river otter (Lontra canadensis lataxina) at the Lincoln Children's Zoo, Lincoln, Nebraska.
  • Photo: An Arizona tailless whip scorpion (Paraphrynus carolynae) at Josh’s Frogs in Michigan.
  • Photo: A Northern pine siskin (Spinus pinus pinus) at Wild Bird Rehabilitation in St. Louis, Missouri.
  • Male bees (Bombus sp.) swarm around sunflowers at Branched Oak Lake.
  • 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.
  • Photo: Blue bat star (Patiria pectinifera) at the Moscow Zoo.
  • Mosquitofish (Gambusia affinis) at the Tulsa Zoo, Tulsa, Oklahoma.
  • Photo: A florida false coral (Ricordea florida) at the Auburn University Natural History Museum.
  • Picture of a Peruvian pink-toed tarantula (Avicularia urticans) at the Wellington Zoo
  • Picture of a critically endangered and federally endangered, female South China tiger, Panthera tigris amoyensis, at the Suzhou Zoo in China.
  • Picture of two critically endangered spider tortoises (Pyxis arachnoides arachnoides) at the Houston Zoo.
  • A critically endangered (IUCN) and federally endangered, tubercled blossom mussel (Epioblasma rangiana rangiana) at the Columbus Zoo.
  • Photo: A crocodile lizard (Shirisaurus crocodilurus) at the Omaha's Henry Doorly Zoo.
  • Photo: Hepatic tanager (Piranga flava) at the National Aviary of Colombia (Aviario Nacional de Colombia).
  • Picture of a Meller's chameleon (Trioceros melleri) named Petunia at the Dallas World Aquarium.
  • Photo: Pink octocoral (Telesto sanguinea) from Gulf Specimen Marine Laboratories.
  • Photo: An aye-aye (Daubentonia madagascariensis) named Endora at Duke Lemur Center in Durham, North Carolina.
  • A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.
  • Photo: A banded sunfish (Enneacanthus obesus) from Caroline County, VA, photographed at Conservation Fisheries.
  • A New Guinea singing dog (Canis lupus hallstromi) Miller Park Zoo.
  • Male cut-throat finches (Amadina fasciata) at the Tulsa Zoo.
  • Central newt (Notophthalmus viridescens louisianensis) at the National Mississippi River Museum and Aquarium in Dubuque, IA.
  • A picture of an obscure sphinx moth (Erinnyis obscura) at Centro Jambatu in Quito, Ecuador.
  • Photo: A bay-breasted warbler (Setophaga castanea) at the Wildlife Rehab Center of Minnesota.
  • Photo: Common moorhen (Gallinula chloropus orientalis) at the Avilon Zoo.
  • Photo: African wild cat, (Felis silvestris ocreata) at the Moscow Zoo. This cat is named Demi Moore.
  • A northern green frog (Rana clamitans melanota) near Watertown, NY.
  • Photo: A sponge at Gulf Specimen Marine Lab and Aquarium.
  • Picture of acorn worms (Saccoglossus kowalevskii) at Pure Aquariums from the Gulf Specimen Marine Lab.
  • Photo: A Wagner's gerbil (Gerbillus dasyurus) at the Plzen Zoo in the Czech Republic.
  • A Senegal chameleon (Chamaeleo senegalensis) photographed in a studio in Lincoln, NE.
  • Green toad (Anaxyrus debilis) at the Arizona-Sonora Desert Museum.
  • Photo: A pair of chestnut-bellied blue scale quail (Callipepla squamata castanogastris) from a private collection.
  • Photo: Solomons corella (Cacatua ducorpsii) at Park Assango, ONG Animal's World in Libreville, Gabon.
  • Seal salamander (Desmognathus monticola) from Zoo Atlanta.
  • A kit fox (Vulpes macrotis) named Frankie at The Living Desert.
  • Photo: A flat-fingered robber frog (Pristimantis platydactylus) at Museo De Historia Natural "Alcide d'Orbigny".
  • The extinct Xerces blue butterfly (Glaucopsyche xerces). This photo was taken at the Maguire Center for Lepidoptera and Biodiversity, Gainesville, FL. This is located on the campus of the University of Florida and is part of the Florida Museum of Natural History.
  • Photo: A grassflat mud crab (Dysanopeus texanus) at Gulf Specimen in Panacea, Florida.
  • Photo: White-rumped vulture (Gyps bengalensis) at Kamla Nehru Zoological Garden, Ahmedabad, India.
  • Photo: A lilliput (Toxolasma parvum) at the Center for Aquatic Mollusk Programs in Lake City, Minnesota.
  • Cuvier's Madagascar swift iguana (Oplurus cuvieri cuvieri) in Madagascar.
  • Picture of chestnut teals (Anas castanea) at the Kansas City Zoo.
  • An endangered (IUCN) and federally endangered chimpanzee (Pan troglodytes) at Rolling Hills Wildlife Adventure near Salina, KS.
  • Photo: Indian wolves (Canis lupus pallipes) at the Singapore Zoo.
  • Photo: A Giant Namibian sand gecko (Chondrodactylus angulifer angulifer) from a private collection.
  • Photo: Australian leaf insect (Phyllium monteithi) at Melbourne Zoo.
  • A prairie ringneck snake (Diadophis punctatus arnyi) from a private collection.
  • Photo: Male Paiute dancer (Argia alberta) at Cedar Point Biological Station.
  • A Gulf Coast toad (Incilius valliceps) at the San Antonio Zoo.
  • Photo: Sea cucumber (Holothuroidea) at the Loveland Living Planet Aquarium.
  • Vulnerable blackside daces (Chrosomus cumberlandensis) at Conservation Fisheries in Knoxville, Tennessee.
  • A northern spring salamander (Gyrinophilus porphyriticus) from a private collection.
  • Photo: Gigi, a two-week-old Japanese macaque (Macaca fuscata) at the Blank Park Zoo in Des Moines, IA. She is being hand-raised for the first couple months because her mom wouldn't nurse her.
  • An Arizona ridge-nosed rattlesnake (Crotalus willardi willardi) at the St. Louis Zoo.
  • A picture of an endangered keeled box turtle (Cuora mouhotii mouhotii) at the Assam State Zoo.
  • A Guam rail (Hypotaenidi owstoni) at the Sedgwick County Zoo, Wichita, Kansas. Though reintroduction efforts are underway, this species is considered extinct in the wild (IUCN) and federally endangered.
  • Photo: A brown throated parakeet (Eupsittula pertinax pertinax) from the town of Honnecourt Sur Escault, France.
  • A picture of a Hispaniolan parakeet (Psittacara chloropterus chloropterus) at Parque Zoologico Nacional, a zoo in Santo Domingo, Dominican Republic.
  • Picture of a critically endangered (IUCN) and federally endangered Laysan teal (Anas laysanensis) at the Palm Beach Zoo.
  • Endangered Asian brown tortoise (Manouria emys emys) at the Audubon Zoo in New Orleans.
  • Two endangered (IUCN) Golfodulcean poison frogs (Phyllobates vittatus) from a private collection.
  • A green and black poison dart frog (Dendrobates auratus) at the Sedgwick County Zoo in Wichita, Kansas.
  • Picture of Kambo, a red-crested turaco (Tauraco erythrolophus), at Tracy Aviary.
  • Photo: A rusty brown birdeater tarantula (Acanthoscurria suina) from the private collection.
  • Toady rainfrog or rusty robber frog (Strabomantis or Craugastor bufoniformis), from Central America at Zoo Atlanta.
  • Photo: An unidentified caterpillar from the wild in Cameroon.
  • Photo: A Northwestern salamander (Ambystoma gracile) at A Rocha Brooksdale Environmental Center in Surrey, BC. This is the Neotenic form (aquatic all it's life) of the Northwestern salamander.
  • A male black-bellied brent goose (Branta bernicla nigricans) at WWT Slimbridge in England.
  • A picture of an Eastern whip-poor-will (Antrostomus vociferus) at Iowa Bird Rehabilitation in Des Moines, IA.
  • Photo: A vulnerable Indian soft shelled turtle (Nilssonia gangetica) at the Kukrail Gharial and Turtle Rehabilitation Centre in Lucknow, India.
  • Picture of a gippsland water dragon (Physignathus lesueurii howittii) at the Healesville Sanctuary.
  • Photo: A Mindanao warty pig (Sus philippensis mindanensis) at Davao Crocodile Park.
  • A picture of a Mandarin vole (Lasiopodomys mandarinus vinogradovi) at the A.N. Severtsov Institute of Ecology and Evolution Russian Academy of Science.
  • Photo: A Taylor's cantil (Agkistrodon taylori) at Reptile Gardens.
  • Photo: A booted eagle (Hieraaetus pennatus) at Sia, the Comanche Nation Ethno-Ornithological Initiative.
  • Photo: A beluga whale (Delphinapterus leucas) at SeaWorld San Diego.
  • Photo: A rayed creekshell mussel (Anodontoides radiatus) from the Chipola River drainage in Jackson County, FL photographed with the USFWS. This animal was collected from Baker Creek.
  • Picture of a federally endangered Florida leafwing butterfly (Anaea troglodyta floridalis) at the McGuire Center for Lepidoptera and Biodiversity.
  • A federally endangered female desert bighorn sheep (Ovis canadensis nelsoni) named April at The Living Desert in Palm Desert, California.
  • An endangered Malayan tiger (Panthera tigris jacksoni) at the Omaha Zoo.
  • Picture of a green jay (Cyanocorax yncas) at the Houston Zoo.
  • Photo: A European quail (Coturnix coturnix coturnix) at Zoo Plzeň.
  • Photo: A red-skirted tree frog (Dendropsophus rhodopeplus) at Balsa de los Sapos.
  • A mountain bamboo partridge (Bambusicola fytchii fytchii) at the Omaha Henry Doorly Zoo, Omaha, Nebraska.
  • Picture of a flat rock scorpion (Hadogenes troglodytes) at the St. Louis Zoo.
  • Photo: A gray color phase of the Eastern screech owl (Megascops asio) at the Wildlife Center of Texas in Houston.
  • Photo: A slender loris (Loris lydekkerianus nordicus) named Kumar from the Memphis Zoo.
  • A Chaco golden knee tarantula (Grammostola pulchripes) at the Audubon Zoo in New Orleans, Louisiana.
  • Photo: A brambling (Fringilla montifringilla) at Centro Fauna Selvatica "Il Pettirosso".
  • Studio portrait of a northern red-backed vole (Clethrionomys rutilus.)
  • Picture of a yellow-lored Amazon (Amazona xantholora) at Pet Paradise.
  • Photo: Arrow goby (Clevelandia ios) at East Bay Regional Park District.
  • Photo: A marsh meadow grasshopper (Chorthippus curtipennis) at the Niwot Ridge Long Term Ecological Research site, near Nederland, CO. This research site is funded by the National Science Foundation.
  • Photo: Federally endangered Short's goldenrod (Solidago shortii), at the Missouri Botanical Garden.
  • Photo: A male green grass lizard (Takydromus smaragdinus) from a private collection.
  • Picture of a short-tailed mamushi (Gloydius brevicaudus siniticus) at the St. Louis Zoo.
  • Photo: An African golden cat (Caracal aurata) named Tigri, at Park Assango, managed by ONG Animal's World in Libreville, Gabon.
  • 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.
  • Photo: An endangered Vaillant's Mabuya, Chioninia vaillantii, at the Plzen Zoo.
  • Picture of a Madagascar or Malagasy leaf-nosed snake (Langaha madagascariensis) at the Houston Zoo.
  • A picture of a red-lipped arboreal alligator lizard (Abronia lythrochila) at the Saint Louis Zoo.
  • Photo: An African pygmy hedgehog (Atelerix albiventris) at the John Ball Zoo.
  • Picture of a keyhole sand dollar (Mellita quinquiesperforata) at Gulf Specimen Marine Lab and Aquarium.
  • A Javan leopard cat (Prionailurus javanensis javanensis) in Jakarta, Indonesia in the care of PT. Alam Nusantara Jayatama.
  • Photo: A paper kite (Idea leuconoe jumaloni) at the Jumalon Butterfly Sanctuary on Cebu Island in the Philippines.
  • Photo: Waukesha, a black minorca chicken.
  • An endangered Coquerel's sifaka (Propithecus coquereli) at the Houston Zoo.
  • A red-bellied side-necked turtle (Emydura subglobosa ) at the Fort Worth Zoo.
  • A vulnerable (IUCN) greater prairie-chicken (Tympanuchus cupido.)
  • Photo: A female Sumba hornbill (Rhyticeros everetti) at Bali Bird Park in Bali, Indonesia.
  • Photo: A rough-footed mud turtle (Kinosternon hirtipes murrayi) at the Conservation Department of the San Antonio Zoo.
  • A Texas recluse spider (Loxosceles devia) at the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Squat shrimp or sexy shrimp (Thor amboinensis) at the Loveland Living Planet Aquarium in Draper, UT.
  • Picture of a cecropia moth caterpillars (Hyalophora cecropia) at the Minnesota Zoo.
  • A picture of a variable mud turtle (Pelusios rhodesianus) from the Turtle Survival Center.
  • Photo: A female yellow-bellied sapsucker (Sphyrapicus varius) at St. Francis Wildlife, a rehab center in Quincy, FL.
  • Picture of a yellow-billed duck (Anas undulata undulata) at the Omaha Henry Doorly Zoo.
  • Photo: A yellow-striped poison frog (Dendrobates truncatus) at Josh’s Frogs in Owosso, Michigan.
  • Photo: A pants nurse frog (Allobates femoralis) at Centro Jambatu in Quito, Ecuador.
  • Photo: An orangebelly darter (Etheostoma radiosum) at the Pontotoc Ridge Preserve near Connerville, OK.
  • Photo: A King brown snake (Pseudechis australis) at Omaha's Henry Doorly Zoo.
  • Photo: Giant crab spider (Olios fasciculatus) at the Arizona-Sonora Desert Museum.
  • Photo: A northern grasshopper mouse (Onychomys leucogaster articeps) photographed at Platte River Prairies, Woodriver, Nebraska.
  • Photo: A spiny slipper limpet (Bostrycapulus aculeate) photographed at Gulf Specimen Marine Lab and Aquarium.
  • Photo: A red finger gorgonian (Diodogorgia nodulifera) at the Butterfly Pavilion.
  • Picture of a vulnerable Chinese softshell turtle (Pelodiscus sinensis) from the Turtle Conservation Center in Cuc Phuong National Park, Vietnam.
  • Photo: Swallowtail seaperch (Anthias anthias) at Loro Parque.
  • Photo: A male sailfin molly (Poecilia latipinna) at the Dallas Children's Aquarium.
  • Photo: An African pied hornbill (Tockus fasciatus) at Parque Biologico.
  • Photo: A male mourning warbler (Geothlypis philadelphia) at a bird banding and release site near Hudson, WI.
  • Picture of a little blue penguin (Eudyptula minor) at SPCA Bird Wing, a bird rehab center in Auckland, New Zealand.
  • Photo: A juvenile knob-scaled lizard (Xenosaurus grandis grandis) at the San Antonio Zoo. This species is listed as vulnerable.
  • Photo: A leopard plecostomus (Pterygoplichthys gibbiceps) from a private collection.
  • Photo: Ash Meadows Amargosa pupfish (Cyprinodon nevadensis mionectes) at Ash Meadows National Wildlife Refuge near Pahrump, NV.
  • A pocket mouse (Chaetodipus sp.) at the Omaha Zoo.
  • An eastern fence lizard (Sceloporus consobrinus) collected in Cherry County, Nebraska.
  • Slackwater darters (Etheostoma boschungi), an endangered (IUCN) federally threatened species, at Conservation Fisheries, a native stream fish breeding center. The male is colorful and much larger than the female.
  • Photo: A four-horned chameleon (Chamaeleo quadricornis) at the Fort Worth Zoo.
  • Photo: A Pacific pink scallop (Chlamys rubida) at the Alaska SeaLife Center.
  • Photo: Eastern great cormorant (Phalacrocorax carbo sinensis) at the Budapest Zoo.
  • A critically endangered (IUCN) and federally endangered Mississippi gopher frog (Lithobates sevosus) from Detroit Zoo.
  • Photo: Zimbabwe girdled lizard (Cordylus rhodesianus) at the Phoenix Zoo.
  • Photo: A crestless curassow (Mitu tomentosum ) at the National Aviary of Colombia.
  • Photo: A female African hawk-eagle (Aquila spilogaster) at Zoopark Zajezd.
  • Photo: Walking stick (Screptophasma langkawicense) at the Budapest Zoo.
  • A red-and-yellow barbet (Trachyphonus erythrocephalus) at the San Antonio Zoo, San Antonio, Texas.
  • Picture of an endangered (IUCN) and federally endangered Malayan tapir (Tapirus indicus).
  • Photo: Flagfin shiner (Pteronotropis signipinnis) at Conservation Fisheries in Knoxville, Tennessee.
  • Photo: A metallic green bee (Corynura chloris) at Fauna Andina, a conservation and research center near south-central Chile.
  • Picture of Indian spot-billed ducks (Anas poecilorhyncha poecilorhyncha) at Sylvan Heights Bird Park.
  • Photo: Boulenger's Madagascar frog (Gephyromantis boulengeri) wild caught in Andasibe, Madagascar.
  • Photo: A Papuan taipan (Oxyranus scutellatus canni) at Reptile Gardens.
  • Photo: A critically endangered Siau Island tarsier (Tarsius tumpara) at Ragunan Zoo in Jakarta, Indonesia.
  • Photo: A northern gannet (Morus bassanus) at Parque Biologico.
  • Photo: Chilean round ray (Urotrygon chilensis) photographed at Downtown Aquarium in Denver, Colorado.
  • Photo: Rainbow shark (Labeo frenatus) at the Moscow Zoo.
  • Photo: A stonefish (Synanceia verrucosa) at the Oklahoma Aquarium.
  • Photo: An undescribed Anolis species from the Gran Piedra Mountains in Cuba.
  • Photo: A mountain cottontail rabbit (Sylvilagus nuttallii pinetis) at the Wildlife Center of New Mexico.
  • Photo: Gray hypocolius ( Hypocolius ampelinus) in Choussy, France.
  • Photo: Peruvian green and gold millipede (Orthoporus sp.) at the Miller Park Zoo. Millipede is Greek for "a thousand legs", although they have more like 200.
  • Photo: A redeye bass (Micropterus coosae) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL. This fish was collected Cheaha Creek, in Calhoun County, AL.
  • Picture of a federally endangered Eastern quoll (Dasyurus viverrinus) named 'Tahni' at Healesville Sanctuary.
  • Photo: A yellowhammer (Emberiza citrinella) at the Plzen Zoo in the Czech Republic.
  • Photo: A land snail (Achatina sp) at Jurong Bird Park, part of Wildlife Reserves Singapore.
  • Photo: A least gerbil (Gerbillus pusillus) at the Plzen Zoo.
  • Picture of a piano key postman butterfly (Heliconius melpomene sticheli) at the Saint Louis Zoo.
  • A picture of a small Indian civet (Viverricula indica thai) at Phnom Tamao Wildlife Rescue Center - Wildlife Alliance.
  • Picture of an endangered Boeseman's rainbowfish (Melanotaenia boesemani) at the Oklahoma City Zoo.
  • Photo: A critically endangered Jamaican iguana (Cyclura collei) at the Indianapolis Zoo.
  • Photo: A Wagner’s gerbil (Gerbillus dasyurus) from a private collection.
  • Photo: Buckwheat, a golden Polish chicken at the Soukup Farm.
  • Photo: An endangered male southern mountain reedbuck (Redunca fulvorufula fulvorufula) at Tierpark Berlin.
  • Photo: Garden snail (Cornu aspersum) at Graham's Quinta dos Malvedos Vineyard.
  • Photo: A Eurasian goldfinch (Carduelis carduelis frigoris) at Zoo Plzeň.
  • Photo: Long-snouted pipefish (Doryichthys boaja) at Faunia in Madrid, Spain.
  • Photo: Two critically endangered birdwing pearlymussels (Lemiox rimosus) photographed at the Aquatic Wildlife Conservation Center.
  • Photo: The foot of a Fiji Island crested iguana (Brachylophus vitiensis), a critically endangered reptile at the Taronga Zoo.
  • Photo: Dollar sunfish (Lepomis marginatus) at the Cincinnati Zoo.
  • Mountain chorus frog (Pseudacris brachyphona) at the Toledo Zoo.
  • Picture of vulnerable Javan lutungs (Trachypithecus auratus) at the Omaha Zoo.
  • Photo: Clown knifefish (Chitala ornata) at L'aquarium tropical du palais de la Porte DorŽe.
  • Seba's short-tailed fruit bat (Carollia perspicillata) at the Lincoln Children's Zoo.
  • Picture of a one-month-old yellow-billed stork (Mycteria ibis) at the Lowry Park Zoo.
  • Photo: A Vulnerable (IUCN) Common carp (Cyprinus carpio) at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • A southern crested caracara (Caracara plancus) at the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: A Cuban bronze tarantula (Phormictopus auratus) at Museum of Nature South Tyrol.
  • Picture of Black sea nettle (Chrysaora achlyos) at the Monterey Bay Aquarium.
  • Yellow-edged Giant Owl or Magnificent Owl (Caligo atreus) at the Henry Doorly Zoo and Aquarium.
  • Photo: An endangered Asian elephant (Elephas maximus).
  • An African sacred ibis (Threskiornis aethiopicus) at the Columbus Zoo.
  • Photo: Red-spotted newt (Notophtalmus viridescens), in a juvenile or 'eft' stage, at Zoo Atlanta.
  • Arizona treefrog (Hyla wrightorum) at the Arizona-Sonora Desert Museum.
  • Picture of a red velvet ant (Dasymutilla occidentalis) at the Tulsa Zoo.
  • Photo: Mesic four striped grass rat (Rhabdomys dilectus) at the Plzen Zoo in the Czech Republic.
  • Photo: A young yellow-bellied sapsucker, Sphyrapicus varius, at the Wildlife Rehab Center of Minnesota.
  • Photo: An adult Leptiens spiny-tailed lizard (Uromastyx aegyptia leptieni) at the Bristol Zoo.
  • A picture of a Rio Grande cooter (Pseudemys gorzugi) from the Turtle Survival Center,
  • A picture of a Chinese king cobra (Ophiophagus hannah) at Reptile Gardens.
  • Picture of a chuck-will's-widow (Antrostomus carolinensis) at the Wichita Mountains National Wildlife Refuge near Lawton, OK.
  • Photo: A Big Bend tooth scorpion (Diplocentrus whitei) at the Bugarium, part of the ABQ BioPark.
  • Mallard (Anas platyrhynchos) ducklings.
  • Picture of a leopard skink (Ctenotus pantherinus) at the Wild Life Sydney Zoo.
  • A federally endangered Florida panther (Puma concolor coryi) named Lucy at Tampa's Lowry Park Zoo.
  • Photo: A juvenile North American beaver (Castor canadensis) at the WildCare Foundation, a wildlife rehabber in Noble, Oklahoma.
  • Photo: A male grey pileated finch (Coryphospingus pileatus pileatus) at the Membeca Lagos Farm, near Rio de Janeiro, Brazil.
  • Photo: Slaty headed parakeet, Psittacula himalayana, at Loro Parque Fundacion.
  • Photo: A Sunda laughingthrush (Garrulax palliatus) at Taman Mini Indonesia Indah.
  • A picture of a western slender glass lizard (Ophisaurus attenuatus attenuatus) at the Sunset Zoo in Manhattan, Kansas.
  • Picture of an endangered (IUCN) and federally endangered, Grand Cayman blue iguana (Cyclura lewisi) at the Sedgwick County Zoo in Wichita, Kansas.
  • Photo: A green-and-black poison dart frog (Dendrobates auratus) at Josh’s Frogs in Owosso, Michigan.
  • Photo: A Kirk’s dik-dik (Madoqua kirkii) at the Memphis Zoo.
  • Picture of a South American Comb Duck (Sarkidiornis melanotos sylvicola) at the Houston Zoo.
  • Picture of a Cook's tree boa (Corallus cookii) at the Palm Beach Zoo.
  • Photo: Brook stickleback (Culaea inconstans) at the University Lab at the University of Minnesota in St. Paul.
  • Picture of a pied avocet (Recurvirostra avosetta) at Sylvan Heights Bird Park.
  • A portrait of a barred owl (Strix varia varia).
  • Photo: An acacia rat (Thallomys paedulcus) from a private collection.
  • Photo: A female Cameroon dwarf chameleon (Trioceros camerunensis) from a private collection.
  • Photo: Mosshead warbonnet (Chirolophis nugator) at the Alaska SeaLife Center in Seward, AK.
  • Picture of an endangered white-tailed black cockatoo (Calyptorhynchus baudinii) at the Lowry Park Zoo.
  • Photo: A common Monkey Lizard (Polychrus marmoratus) at the National Aquarium, Baltimore.
  • Picture of a candy wrasse (Pseudojuloides cerasinus) at Omaha's Henry Doorly Zoo and Aquarium.
  • A Honduran milk snake (Lampropeltis triangulum hondurensis) at the Sedgwick County Zoo.
  • Picture of an Eastern ribbon snake or common ribbon snake (Thamnophis saurita saurita) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: A chestnut-naped imperial pigeon (Ducula aenea paulina) at the Prague Zoo.
  • Photo: A nosy isopod (Armadillidium nasatum) at Josh’s Frogs in Owosso, Michigan.
  • Photo: Juvenile Longfin smelt (Spirinchus thaleichthys) at the Fish Conservation and Culture Lab in Byron, CA at UC Davis.
  • 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.
  • Picture of a double-barred finch (Taeniopygia bichenovii) at Healesville Sanctuary.
  • Picture of a wattled jacana (Jacana jacana) at the Dallas World Aquarium.
  • Photo: A common sand dollar, Echinarachnius parma, at the Alaska SeaLife Center.
  • Arizona treefrog (Hyla wrightorum) at the Arizona-Sonora Desert Museum.
  • Picture of a crimson-rumped toucanet (Aulacorhynchus haematopygus) at the National Aviary breeding center in Palmar, Colombia.
  • A horsehair worm (Nematomorpha species).
  • Photo: Scaly sand darter (Ammocrypta vivax) at Conservation Fisheries.
  • Photo: A Barbary lion (Panthera leo leo) at the Plzen Zoo in the Czech Republic.
  • Picture of a juvenile band tailed pigeon (Patagioenas fasciata) at the Wildlife Center of Silicon Valley.
  • Photo: A red uakari monkey (Cacajao calvus ucayalii) at the LA Zoo. This species is listed as vulnerable on the IUCN red list.
  • A giant horned lizard (Phrynosoma asio) at the LA Zoo.
  • Photo: The blinking snail (Quantula striata) at the Singapore Zoo.
  • Photo: Orange chinned parakeet (Brotogeris jugularis) at Loro Parque Fundacion.
  • Photo: An endangered southern elktoe (Alasmidonta triangulata) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.
  • Photo: A Javan mongoose (Herpestes javanicus) from Sumatra, at Taman Safari.
  • A wolf spider (Hogna osceola) at the Archbold Biological Station.
  • Photo: A starred agama (Stellagama stellio picea) at Aquarium Berlin.
  • Photo: A WoodworthÕs frog (Limnonectes woodworthi) at the University of the Philippines.
  • Photo: A Rio Coca cochran frog (Nymphargus siren) at Balsa de los Sapos.
  • Photo: Patagonian sierra finch (Phrygilus patagonicus) in Choussy, France.
  • A spotted thick-knee, Burhinus capensis.
  • A fantastic poison dart frog (Ranitomeya fantasticus) at Omaha's Henry Doorly Zoo.
  • Photo: Ghost mantis (Phyllocrania paradoxa) at the Budapest Zoo.
  • Picture of a spur-winged goose (Plectropterus gambensis) at the Cleveland Metroparks Zoo.
  • D.J. is an 11-month-old Sumatran orangutan (Pongo abelii). This species is critically endangered, in large part due to the palm oil crisis. This juvenile primate is cared for by the Taman Safari in Bogor, West Java, Indonesia.
  • Photo: A purple swamphen (Porphyrio porphyrio porphyrio) at Parque Biologico.
  • Photo: A federally endangered ten-year-old female jaguar (Panthera onca) at the Dallas World Aquarium.
  • A northern flicker (Colaptes auratus auratus) at the Sutton Avian Research Center, Bartlesville, Oklahoma.
  • A stygian owl (Asio stygius robustus) at Parque Jaime Duque near Bogota, Colombia.
  • Photo: A cryptic mantis (Sibylla pretiosa) at Aquarium Berlin.
  • An endangered keeled box turtle (Cuora mouhotii) at the Tennessee Aquarium in Chattanooga.
  • A picture of a El Muerto Island rattlesnake (Crotalus muertensis) at the Arizona-Sonora Desert Museum.
  • A springhaas (Pedetes capensis) at the Omaha Zoo.
  • Picture of a great crested flycatcher (Myiarchus crinitus) at the Wichita Mountains National Wildlife Refuge.
  • New Guinea snapping turtle (Elseya novaeguineae) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • A vulnerable red uakari monkey (Cacajao calvus ucayalii) at the LA Zoo.
  • Photo: A ribbon moray eel (Rhinomuraena quaesita) at Petra Aqua.
  • Photo: A fish scale gecko (Geckolepis maculata) at the Plzen Zoo.
  • Photo: A Polynesian tree snail (Partula garretti) at the Zoological Society of London.
  • Picture of Indian spot-billed ducks (Anas poecilorhyncha poecilorhyncha) at Sylvan Heights Bird Park.
  • Photo: A Mindoro bulbul (Hypsipetes mindorensis) on Semirara Island in the Philippines.
  • Fat tailed gerbil (Pachyuromys duprasi) at the Omaha Zoo.
  • Photo: An eastern broad-nosed bat (Scotorepens orion) from the Australian Bat Clinic and Narrow Leaf Retreat.
  • Photo: A critically endangered male addra gazelle (Nanger dama ruficollis) at the Indianapolis Zoo.
  • A black-crowned night heron (Nycticorax nycticorax hoactli) at The Living Desert in Palm Desert, California. His name is James Bond because his ISIS number is 007.
  • Photo: A Marthasterias starfish (Marthasterias glacialis) at the Vasco da Gama Aquarium in Lisbon, Portugal.
  • An endangered (IUCN) four-eyed turtle (Sacalia quadriocellata) at the Tennessee Aquarium.
  • Photo: A Chilean lapwing (Vanellus chilensis chilensis) at Lundi Farm in Verl, Germany.
  • Photo: Endangered Javan langur (Presbytis comata comata) at Taman Safari in Bogor, West Java, Indonesia.
  • Photo: South Morocco spur thighed tortoise (Testudo graeca soussensis) at the Plzen Zoo in the Czech Republic.
  • Photo: A male Peruvian pigeon (Patagioenas oenops) at the Cincinnati Zoo.
  • Photo: A frosted flatwoods salamander (Ambystoma cingulatum) from the Atlanta Botanical Garden.
  • A picture of a springer damselfish (Chrysiptera springeri) at Downtown Aquarium in Denver, Colorado.
  • A male Mt. Kilimanjaro two-horned chameleon or dwarf Fischer's chameleon (Kinyongia tavetana) from the Omaha Zoo.
  • A picture of a Sri Lankan junglefowl (Gallus lafayettii) at Prague Zoo.
  • A California scrub jay (Aphelocoma californica californica) at Wildlife Images, a rehabilitation center near Merlin, OR.
  • Photo: A South American puffing snake (Pseustes sulphureus) at the Brevard Zoo.
  • Photo: YarrowÕs spiny lizard or mountain spiny lizard (Sceloporus jarrovi) at the Los Angeles Zoo.
  • Photo: Eurasian dipper (Cinclus cinclus aquaticus) at Alpenzoo in Innsbruck, Austria.
  • A saw-whet owl (Aegolius acadicus acadicus) at the Denver zoo.
  • Picture of a male sea goldie (Pseudanthias squamipinnis) at Pure Aquariums.
  • Taiwan beauty snake (Elaphe taeniura friesi) at the Tulsa Zoo.
  • Picture of a male and female Impala (Aepyceros melampus) at the Brevard Zoo.
  • Photo: Sacramento blackfish (Orthodon microlepidotus) at East Bay Regional Park District.
  • Photo: Banded jewelfish or five-spot cichlid (Hemichromis fasciatus) at L'aquarium tropical du palais de la Porte DorŽe.
  • Photo: A swimming crab (Polybius henslowii) at the Littoral Station of Aguda, Portugal.
  • Photo: Caterpillar of orange lacewing (Cethosia penthesilea) at Melbourne Zoo.
  • Photo: Giant grasshopper (Valanga nigricornis insularis) from the Melbourne Museum
  • Solarte Island dart frog (Oophaga pumilio) at the Oklahoma City Zoo.
  • Photo: An American marten (Martes americana) named ‘Joey’ at the Indianapolis Zoo.
  • Photo: A Dybowski's twinspot (Euschistospiza dybowskii) at the Zoo Berlin.
  • A picture of a baby striped skunk (Mephitis mephitis varians) from Dunbar, Nebraska.
  • Photo: A white-throated sparrow (Zonotrichia albicollis) caught as part of a banding project in Hudson, Wyoming, USA.
  • Photo: A Humboldt penguin at the Great Plains Zoo. (IUCN: Vulnerable)
  • Photo: An eastern bongo (Tragelaphus eurycerus isaaci) at the North Carolina Zoo.
  • Blue-headed tree agama (Acanthocercus atricollis) from the Omaha Zoo.
  • A Merauke blue-tongued skink (Tiliqua gigas evanescens) at Zoo Atlanta.
  • Photo: An albino Manchurian hedgehog (Erinaceus amurensis) at Zoo Negara.
  • Photo: A Cascabel rattlesnake (Crotalus durissus durissus) at the Kentucky Reptile Zoo in Slade, Kentucky.
  • Picture of a cave-dwelling frog (Litoria cavernicola) at Wild Life Sydney Zoo.
  • Photo: Walking stick (Lobofemora scheirei) at the Budapest Zoo.
  • A tent tortoise (Psammobates tentorius verroxii) at the Fresno Chaffe Zoo.
  • Photo: Weevil (Lixus sp.) at Graham's Quinta dos Malvedos Vineyard.
  • Photo: A greater plated lizard (Gerrhosaurus major) at the Cheyenne Mountain Zoo.
  • Photo: Brown necked parrot (Poicephalus fuscicollis fuscicollis) at Loro Parque Fundacion.
  • Photo: A critically endangered Morona Santiago subfoot toad (Atelopus halihelos) at Centro Jambatu in Quito, Ecuador.
  • Photo: A female wolf spider (Schizocosa communis) from the University of Nebraska-Lincoln.
  • Photo: A bleeding heart tetra (Hyphessobrycon erythrostigma) at the Institute of Marine Mammal Studies (IMMS) at Gulfport, MS. This animal is part of their public education area.
  • Picture of a common padloper tortoise (Homopus areolatus) at the Turtle Conservancy.
  • Photo: A cecropia moth (Hyalaophora cecropia).
  • Photo: West African giant land snail (Archachatina ventricosa) at the Toronto Zoo.
  • Photo: Bare-eyed pigeon (Patagioenas corensis) at the Aviario Nacional de Colombia.
  • Photo: Eurasian pond turtle (Mauremys rivulata) at the Plzen Zoo in the Czech Republic.
  • Scarlet mormon (Papilio rumanzovia) at the San Antonio Zoo.
  • European long-eared owl (Asio otus) from the Budapest Zoo.
  • A critically endangered (IUCN) and federally endangered red wolf (Canis rufus gregoryi) at the Great Plains Zoo.
  • Picture of nassarius snails (Nassarius distortus) at Pure Aquariums.
  • Gang-gang cockatoo (Callocephalon fimbriatum), at Parrots in Paradise, a bird attraction in Glass House Mountains, Queensland.
  • Photo: A female Venezuelan red howler monkey (Alouatta seniculus juara) at Mantenedor da Fauna Silvestre Cariuá.
  • Photo: Brown color morph of the Limosa harlequin frog (Atelopus limosus) at the Panama Amphibian Rescue and Conservation Project.
  • Sara, the endangered (IUCN) and federally endangered whooping crane (Grus americana), at the Audubon Center for Research of Endangered Species. This is an educational bird.
  • Picture of a variegated sea urchin (Lytechinus variegatus) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: A Canada goose (Branta canadensis moffitti) at Zoo Idaho, Pocatello, Idaho, USA.
  • Picture of a red river hog (Potamochoerus porcus) at the Columbus Zoo.
  • Photo: Flower beetles (Mecynorhina torquatta ugandensis) at the Budapest Zoo.
  • Photo: Western short-horned walkingstick (Parabacillus hesperus) at the Arizona-Sonora Desert Museum.
  • Photo: A female Kashmir koklass pheasant (Pucrasia macrolopha biddulphi) from a private collection.
  • Photo: A Chinese zebra goby (Ptereleotris zebra) at Nebraska Aquatic Supply.
  • A three-month-old caracal (Caracal caracal caracal) at the Columbus Zoo.
  • Photo: A critically endangered Javan black-winged starling (Acridotheres melanopterus) at Jakarta Natural Resource Conservation Center in Indonesia.
  • Photo: A southern Pacific rattlesnake (Crotalus viridis helleri) at Reptile Gardens.
  • Photo: Cliff, a male Rocky Mountain bighorn sheep (Ovis canadensis canadensis) at the Denver Zoo.
  • Picture of a federally endangered near threatened Mikado pheasant (Syrmaticus mikado) at Pheasant Heaven, a private pheasant breeding center near Clinton, NC.
  • Photo: A Montagu's blenny (Coryphoblennius galerita) at the Littoral Station of Aguda, Portugal.
  • A golden eagle (Aquila chrysaetos candensis) at Tracy Aviary.
  • Photo: A Jameson's firefinch (Lagonostricta rhodoparcia jamesoni) in Gorongosa National Park.
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