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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 36,830-picture Photo Ark for an animal or species. Scroll down to see every species in the Ark … if you’ve got all day.

  • 11,230 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: Edward'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.

Explore the gallery

Gallery

Behind the Scenes

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

Explore the gallery
  • Picture of a Mississippi kite (Ictinia mississippiensis) at St. Francis Wildlife Association, a wildlife rescue center near Quincy, Florida.
  • Photo: A luzon kukri snake (Oligodon ancorus) at the University of the Philippines.
  • Photo: Senegal parrot (Poicephalus senegalus senegalus) at a private collection in Tenerife.
  • Photo: Spiny-tailed monitor (Varanus acanthurus brachyurus) at the Woodland Park Zoo.
  • Picture of a scarlet kingsnake (Lampropeltis triangulum elapsoides) at the Knoxville Zoo.
  • Picture of a scaled pigeon (Columba speciosa) at the Nispero Zoo in Panama.
  • Picture of a northwestern garter snake (Thamnophis sirtalis) at the Oregon Zoo.
  • Photo: A Western marbled velvet gecko (Oedura fimbria) from a private collection.
  • Photo: A vulnerable northern long eared (Myotis septentrionalis) being cared for by Nebraska Wildlife Rehab.
  • Photo: An enigmatic leaf turtle (Cyclemys enigmatica). This species is new to science.
  • Picture of a purple gallinule (Porphyrio martinicus) at the Virginia Aquarium.
  • Photo: Southern crested newt (Triturus cristatus kareline) at the Moscow Zoo.
  • Photo: An American goldfinch (Spinus tristis tristis) at Wild Bird Rehabilitation Inc. in St. Louis, Missouri.
  • Photo: Malie, an endangered, 12-yr-old Australian sea lion (Neophoca cinerea) at the Taronga Zoo.
  • Spotted salamander (Ambystoma maculatum) at the Tennessee Aquarium.
  • A bull trout (Salvelinus confluentus) from Bighorn Creek, part of the Kootenay River system. (IUCN: Vulnerable; US: Federally threatened)
  • Photo: An orphaned Philippine long-tailed macaque (Macaca fascicularis philippensis) eats watermelon on Mindoro Island in the Philippines.
  • Photo: Northern red-backed vole (Clethrionomys rutilus) at the A.N. Severtsov Institute of Ecology and Evolution Russian Academy of Science.
  • Picture of two banded sea stars (Luidia alternata) and a small spine sea star (Echinaster spinulosus) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: A Parastenophis betsileanus from a private collection.
  • A North American river otter (Lontra canadensis) at the Lincoln Children's Zoo, Lincoln, Nebraska.
  • Photo: A leaf-tailed gecko (Uroplatus henkeleli) at Omaha's Henry Doorly Zoo.
  • Photo: An Uluguru forest tree frog (Leptopelis uluguruensis) at Prague Zoo. This species is endemic to the Uluguru mountains in Tanzania.
  • Picture of a black-sided hawkfish (Paracirrhites forsteri) at Omaha's Henry Doorly Zoo and Aquarium.
  • Photo: Cliff swallow (Petrochelidon pyrrhonota) at Bay Beach Wildlife Sanctuary
  • Photo: A endangered (IUCN) American eel (Anguilla rostrata) at the Minnesota Dept. of Natural Resources Center for Aquatic Mollusk Programs.
  • Picture of a vulnerable insular blue crowned pigeon (Goura cristata minor) at Sylvan Heights Bird Park.
  • Photo: Brazilian blonde tarantula (Nhandu vulpinus) at Eltoro Zoo de la Castellana, Inc., on Negros Island, Philippines.
  • Photo: A tawny eagle (Aquila rapax) at Sia, the Comanche Nation Ethno-Ornithological Initiative.
  • Photo: Moluccan king parrot (Alisterus amboinensis amboinensis) at Loro Parque Fundacion
  • Photo: A tiger beetle larvae (species unknown) in a lab at the University of Nebraska-Lincoln.
  • 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.
  • Photo: Smooth-fronted caiman (Paleosuchus trigonatus) from a private collection.
  • A yellow-shafted flicker (Colaptes auratus luteus) at Nebraska Wildlife Rehab, Inc.
  • Photo: Smooth-coated otter (Lutrogale perspicillata) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.
  • Photo: Blue color morph of the red swamp crayfish (Procambarus clarkii) at the Bugarium at the Albuquerque BioPark.
  • Photo: Grape leaffolder (Desmia maculalis) at Cedar Point Biological Station.
  • Photo: A Bactrian deer (Cervus elaphus bactrianus) at Tierpark Berlin.
  • Baron's green racer (Philodryas baroni) at the Woodland Park Zoo.
  • Picture of a Vietnamese sika deer (Cervus nippon pseudaxis) at the Oklahoma City Zoo.
  • Photo: A male and a female Aru Island eclectus parrot, Eclectus roratus aruensis, at Loro Parque Fundacion.
  • Photo: An Ethiopian mountain viper (Bitis parviocula) at Zoo Atlanta.
  • Picture of a monarch butterfly (Danaus plexippus) from Sierra Chincua, Mexico.
  • Photo: Long-mandibled stag beetle (Cyclommatus metallifer) at the Insectarium in New Orleans.
  • A Cope's treefrog (Hyla chrysoscelis) caught in the wild near Dunbar, Nebraska.
  • A greenhouse frog (Eleutherodactylus planirostris) at the Tulsa Zoo.
  • Photo: An endangered Chile mountain false toad (Telmatobufo venustus) at the Santiago Zoo in Chile.
  • Photo: A Tunisian tortoise (Testudo graeca nabeulensis) at Prague Zoo. This species is listed as vulnerable by IUCN. This animal is the offspring of parents that were confiscated from the pet trade via the Prague Airport.
  • Photo: Chinook Salmon (Oncorhynchus tshawytscha) at the University of California, Davis.
  • A little owl (Athena noctua noctua) at Parco Natura Viva in Bussolengo, Italy.
  • Photo: A metallic pigeon (Columba vitiensis griseogularis) at the Plzen Zoo in the Czech Republic.
  • Photo: A red-shafted flicker (Colaptes auratus cafer) at Liberty Wildlife in Phoenix, AZ.
  • A Wehrle's salamander (Plethodon wehrlei) from a private collection.
  • A close up of a banded tree snail (Orthalicus floridensis) from Crocodile Lake National Wildlife Refuge on Key Largo.
  • A satanic leaf-tailed gecko (Uroplatus phantasticus) at the Houston Zoo, Houston, Texas. (IUCN: Vulnerable)
  • A bluegill (Lepomis macrochirus).
  • Photo: Anchovies (Anchoa mitchilli) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: An endangered Mishmi takin (Budorcas taxicolor taxicolor) at Tierpark Berlin.
  • Photo: An unidentified lobophylia coral (Lobophylia sp.) at the Akron Zoo.
  • Photo: Rococo toad (Rhinella (Bufo) paracnemis) at the Bramble Park Zoo.
  • Photo: An endangered male Persian fallow deer (Dama mesopotamica) at Tierpark Berlin.
  • A red-sided curly-tailed lizard (Leiocephalus schreibersii) at the Houston Zoo.
  • Photo: An unidentified moth (Noctuidae sp.) at Graham's Quinta dos Malvedos Vineyard.
  • Photo: Marble velvet gecko (Oedura marmorata) at Lilydale High School in Australia.
  • Photo: The white-barred emperor or white-barred Charaxes (Charaxes brutus) at Butterfly Pavilion.
  • A Rowley's palm pit viper (Bothriechis rowleyi) at the St. Louis Zoo.
  • Photo: A male Petter's chameleon (Furcifer petteri) from a private collection in St. Augustine, Florida.
  • Picture of a male canvasback duck (Aythya valisineria) at the John Ball Zoo in Grand Rapids, Michigan.
  • Photo: Northern Plains ratsnake (Pantherophis emoryi) collected in Thayer County, Nebraska.
  • A critically endangered (IUCN) and federally endangered Philippine crocodile (Crocodylus mindorensis) at the Gladys Porter Zoo.
  • Photo: Borneo stick insects (Epidares nolimetangere) from the Plzen Zoo in the Czech Republic.
  • Picture of two red knobbed imperial pigeons (Ducula rubricera) at the Houston Zoo.
  • Photo: Rococo toad (Rhinella (Bufo) paracnemis) at the Bramble Park Zoo.
  • A male white-spotted glass frog or white-spotted cochran frog (Sachatamia albomaculata), a species native to Panama and Central America, at Zoo Atlanta.
  • Photo: A critically endangered Reunion Island ornate day gecko, Phelsuma inexpectata, at the Plzen Zoo.
  • A Norhayati's flying frog (Rhacophorus norhayatii) from a private collection.
  • Photo: Roundtail chub, Gila intermedia, at Phoenix Zoo.
  • Photo: A marsh tit (Poecile palustris italicus) at Centro Fauna Selvatica "Il Pettirosso".
  • Picture of a nocturnal curassow (Nothocrax urumutum) at the Dallas World Aquarium.
  • Photo: Crested mona monkey (Cercopithecus pogonias nigripes) named Amber at Park Assango, run by ONG Animal's World in Libreville, Gabon.
  • Photo: A stripe faced fruit bat (Styloctenium wallacei) at the Plzen Zoo.
  • Picture of a brown antechinus (Antechinus stuartii) in the nocturnal house at Healesville Sanctuary.
  • Photo: Black piranha (Serrasalmus rhombeus) at Shark Reef Aquarium.
  • Picture of a vulnerable Owston's palm civet (Chrotogale owstoni) at the Carnivore and Pangolin Conservation Center in Cuc Phuong National Park, Vietnam.
  • Picture of a badger (Taxidea taxus) at Wildlife Images, an animal rehabilitation center near Merlin, OR.
  • Photo: A golden trevally (Gnathanodon speciosus) at the Downtown Aquarium in Denver, Colorado.
  • Picture of an orange-fronted parakeet (Eupsittula canicularis eburnirostrum) from a private collection.
  • A greater plated lizard (Gerrhosaurus major) at Reptile Gardens.
  • Photo: A Jack Dempsey cichlid (Rocio octofasciata) from a private collection.
  • Picture of a Rio Grande siren (Siren intermedia) at the San Antonio Zoo.
  • Picture of a vulnerable binturong (Arctictis binturong) at the Houston Zoo.
  • Slackwater darter (Etheostoma boschungi), an endangered (IUCN) and federally threatened species, at Conservation Fisheries, a native stream fish breeding center. The male is colorful and much larger than the female.
  • Picture of two red-knobbed imperial pigeons (Ducula rubricera) at the Houston Zoo.
  • Photo: Black-billed turaco (Tauraco schuettii emini) at the Madrid Zoo.
  • Picture of an undescribed harlequin frog (Atelopus species) from Suriname.
  • A female Edward's pheasant (Lophura edwardsi) at the Jurong Bird Park. Formerly: Vietnamese pheasnt (Lophura hatinhensis).
  • Picture of a peaceful dove (Geopelia placida) at Healesville Sanctuary.
  • Photo: Common rose (Pachliopta aristolochiae asteris) at Malacca Butterfly and Reptile Sanctuary.
  • Picture of a vulnerable Hispaniolan elegant slider (Trachemys decorata) at Parque Zoological Nacional, in the Dominican Republic.
  • A ringed map turtle, Graptemys oculifera, at the National Mississippi River Museum and Aquarium in Dubuque, IA. This species is listed as endangered (IUCN) and federally threatened.
  • Red-backed bearded saki (Chiropotes chiropotes) at the Henry Doorly Zoo and Aquarium.
  • Southern vested tamandua (Tamandua tetradactyla straminea) at Tampa’s Lowry Park Zoo.
  • A white-faced whistling duck (Dendrocygna viduata) at the Lincoln Children's Zoo.
  • Bennett's cassowary (Casuarius bennetti edwardsi) at Davao Crocodile Park.
  • Photo: A Percival’s legless skink (Acontias percivali) at Prague Zoo. This species lives underground in Tanzania, but it full range remains undetermined.
  • Photo: A King brown snake (Pseudechis australis) at Omaha's Henry Doorly Zoo.
  • Picture of an endangered Asian elephant (Elephas maximus).
  • Photo: An Atlantic ghost crab (Ocypode quadrata) at Gulf Specimen Marine Lab.
  • Picture of a ribbon snake (Thamnophis sauritus) at the New York State Zoo in Watertown, NY.
  • Photo: Tailless whip scorpion (Paraphrynus mexicanus) at Butterfly Pavilion in Westminster, Colorado.
  • Picture of a Western red-tailed hawk (Buteo jamaicensis calurus) at the LA Zoo.
  • Spring peeper (Pseudacris c. crucifer) at the National Aquarium in Baltimore.
  • Picture of a Colombian color morph of a harlequin poison frog (Oophaga histrionica) at the Cali Zoo.
  • Picture of a federally endangered Asiatic golden cat (Catopuma temminckii) at the Assam State Zoo cum Botanical Garden in Guwahati, Assam, India.
  • Photo: Queen triggerfish (Balistes vetula) at the Omaha Zoo.
  • 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.
  • Photo: A royal diadem rat snake (Elaphe diadema) at Reptile Gardens.
  • Picture of an endangered Chinese big-headed turtle (Platysternon megacephalum megacephalum) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Picture of a female, one-year old leopard cat (Prionailurus bengalensis chinensis) named Asia.
  • A bluestripe garter snake (Thamnophis sirtalis similis) in Gainesville, Florida.
  • A Texas tortoise (Gopherus berlandieri) at the Houston Zoo.
  • Photo: American bison (Bison bison) at the Buffalo Zoo.
  • The chrsalis of a harmony tiger-wing butterfly (Tithorea tarricina) at the Insectarium in New Orleans, Louisiana.
  • Photo: Northern prairie lizard (Sceloporus consobrinus) collected in Cherry County, Nebraska.
  • An American bullfrog (Lithobates catesbeiana) caught in the wild in Nebraska.
  • Picture of a juvenile glaucous-winged gull/western gull hybrid (Larus glaucescens x Larus occidentalis) at the Santa Barbara Wildlife Care Network.
  • Spring peeper (Pseudacris c. crucifer) at the National Aquarium in Baltimore.
  • A pair of blue poison dart frogs (Dendrobates azureus) at Reptile Gardens.
  • Photo: Two 20-day-old fledgling Florida grasshopper sparrows (Ammodramus savannarum floridanus) at White Oak Conservation Center, Yulee, Florida.
  • South African crowned crane (Balearica regulorum regulorum) at Parc des Oiseaux in Villars Les Dombes, France.
  • Photo: An Asian forest scorpion (Heterometrus petersii) at the University of the Philippines.
  • Picture of a federally threatened male spectacled eider (Somateria fischeri) at the Alaska SeaLife Center.
  • Photo: Black kite (Milvus migrans parasitus) at PBZT, the Parc Botanique Et Zoologique de Tsimbazaza.
  • Photo: Redbreast tilapia (Tilapia rendalli) at L'aquarium tropical du palais de la Porte DorŽe.
  • Picture of a many-lined salamander (Stereochilus marginatus) from a private collection.
  • Picture of a Malayan sail-finned lizard (Hydrosaurus amboinensis) at the Houston Zoo.
  • An endangered Ruppell's griffon vulture (Gyps rueppellii) at the Fort Wayne Zoo.
  • A saw-shelled turtle (Myuchelys latisternum) at the Australia Zoo Wildlife Hospital.
  • Photo: A Javanese black winged starling (Acridotheres melanopterus melanopterus) at the Jurong Bird Park.
  • A rabbit snail (Tylomelania gemmifera) orange from a private collection.
  • Picture of a band-tailed guan (Penelope argyrotis) at the National Aviary breeding center.
  • A common green birdwing (Ornithoptera priamus) at the Omaha Henry Doorly Zoo, in Omaha, Nebraska.
  • Photo: A northern water snake (Nerodia sipedon) from a private collection.
  • Photo: A kaiser spotted newt (Neurergus kaiseri) from Conservation Fisheries.
  • Northern pearly-eye (Enodia anthedon) at Leech Lake, Minnesota.
  • A black-chinned hummingbird (Archilochus alexandri) at the Brown Ranch, Texas.
  • Photo: Shortfinger crayfish, Cambarus brachydactylus, at West Liberty University in West Liberty, WV. This specimen is from Montgomery Bell State Park, TN.
  • Photo: An English sparrow (house sparrow).
  • Photo: Beeper, a Canada goose (Branta canadensis) at the Boonshoft Museum of Discovery.
  • Photo: A female wolf spider (Schizocosa stridulans) from the University of Nebraska-Lincoln.
  • Picture of a juvenile Mississippi kite (Ictinia mississippiensis) at the WildCare Foundation.
  • Photo: A cryptic mantis (Sibylla pretiosa) at Aquarium Berlin.
  • A vulnerable (IUCN) and federally endangered Texas blind salamander (Eurycea rathbuni) at the Detroit Zoo.
  • Western screech owl, Sonoran Desert color phase (Megascops (Otus) kennicottii) at the Sutton Avian Research Center.
  • A vulnerable (IUCN) and federally threatened Arizona desert tortoise (Gopherus agassizii) at the Rolling Hills Wildlife Adventure.
  • Picture of a Southern Lapwing (Vanellus chilensis) at the Palm Beach Zoo.
  • A Florida brown snake (Storeria dekayi victa) at the Archbold Biological Station.
  • A federally endangered Santa Anna River woolystar (Eriastrum densifolium ssp. sanctorum).
  • Picture of an endangered red panda (Ailurus fulgens fulgens) named Nigalya at the Chattanooga Zoo.
  • Photo: A yellow-rumped cacique (Cacicus cela cela) at Fundacao Jardim Zoologico de Brasilia.
  • A male violet-backed starling (Cinnyricinclus leucogaster) at the Columbus Zoo.
  • Photo: Texas bullet ant (Pachycondyla villosa) at the Cincinnati Zoo.
  • Swamp darter (Etheostoma fusiforme) at the Dallas Children's Aquarium.
  • Photo: Iberian gudgeon (Gobio lozanoi) at the Environmental Education Center of the Ribeiras de Gaia.
  • Photo: California moray (Gymnothorax mordax) at East Bay Regional Park District.
  • Photo: A Madagascar tree boa (Sanzinia volontany) at Prague Zoo.
  • An endangered female white-crowned hornbill (Berenicornis comatus) at the Avilon Zoo.
  • Photo: Dusky slug (Arion subfuscus) wild caught in Boise, Idaho
  • Picture of a South American Waxy Tree Frog (Phyllomedusa hypochondrialis) at the Houston Zoo.
  • Picture of a Eurasian eagle owl (Bubo bubo omissus) at the Plzen Zoo in the Czech Republic.
  • Photo: An adult female SutherlandÕs funnelweb spider (Atrax sutherlandi) from the Melbourne Museum
  • Photo: An Eastern red damselfly (Amphiagron saucium) photographed at Spring Creek Prairie Audubon Center near Denton, NE. This animal was originally collected from Bobcat Prairie near Denton, NE.
  • Picture of a vulnerable secretary bird (Sagittarius serpentarius) at the Toronto Zoo.
  • Photo: Trout-perch (Percopsis omiscomaycus) at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • Kansas glossy snake (Arizona elegans elegans) collected in Dundee County, Nebraska.
  • Photo: An Australian big-headed, Emydura australis, at the Sedgwick County Zoo.
  • A juvenile Wagler's temple viper (Trimeresurus wagleri) at the Fort Worth Zoo.
  • Photo: Ground-hopper (Erianthus versicolor) at Wroclaw Zoo.
  • Photo: Mitred parakeet (Psittacara mitratus) at Loro Parque Fundacion.
  • Picture of an endangered big-headed turtle (Platysternon megacephalum megacephalum) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: A female pink-winged stick insect (Sipyloidea sipylus) at the Moscow Zoo.
  • A White's tree frog (Pelodryas caerulea) at the Kansas City Zoo.
  • A speckled cape tortoise/padloper (Homopus signatus signatus) at the St. Louis Zoo.
  • A Harnessed bushbuck (Tragelaphus scriptus scriptus) at the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Bearded vulture (Gypaetus barbatus) at Monticello Center in Italy.
  • Picture of a red-necked phalarope (Phalaropus lobatus) at the Monterey Bay Aquarium.
  • Picture of a numata longwing (Heliconius numata) at the Saint Louis Zoo.
  • A Florida cooter (Pseudemys floridana) at the Chapultepec Zoo in Mexico City.
  • Photo: A critically endangered pied tamarin (Saguinus bicolor) at Cetas-IBAMA, a wildlife rehab center in Manaus, Brazil.
  • Photo: Dione ratsnake (Elaphe dione) at the Plzen Zoo.
  • A vulnerable (IUCN) and federally endangered clouded leopard (Neofelis nebulosa nebulosa) at the Houston Zoo.
  • A Florida kingsnake (Lampropeltis brooksi) from a private collection
  • Photo: A southern elktoe (Alasmidonta triangulata) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL.
  • Photo: Oriole warbler (Hypergerus atriceps) at the Oklahoma City Zoo.
  • Photo: A lake chubsucker (Erimyzon sucetta) from a private collection in Knoxville, Tennessee.
  • A captive, five-month-old mandrill (Mandrillus sphinx) in Malabo, Equatorial Guinea. (IUCN: Vulnerable)
  • Photo: Malayan giant stick insect (Pharnacia cantori) at Zoo Negara.
  • Photo: A tarantula (Harpactira dictator) from a private collection.
  • Photo: Cactus parakeet, Eupsittula cactorum, at Loro Parque Fundacion.
  • Photo: A blue rice coral (Montipora flabellata) at California Science Center in Los Angeles, California.
  • Photo: Yellow-spotted millipede (Harpaphe haydeniana) at the Woodland Park Zoo.
  • A greater roadrunner (Geococcyx californianus) at the Sutton Avian Research Center, Bartlesville, Oklahoma.
  • Photo: An endangered mountainous star coral (Orbicella faveolata) at Riverbanks Zoo and Garden.
  • Photo: An endangered black-fronted piping guan (Aburria jacutinga) at Fundacao Jardim Zoologico de Brasilia.
  • Picture of a Hoffmann's parakeet (Pyrrhura hoffmanni) with a red-crowned parakeet (Pyrrhura roseifrons roseifrons) at the Nispero Zoo.
  • Picture of a marsh fiddler crab (Uca virens) at Pure Aquariums from the Gulf Specimen Marine Lab.
  • Picture of a purple gallinule (Porphyrio martinicus) at the Virginia Aquarium.
  • Photo: A pants nurse frog (Allobates femoralis) at Centro Jambatu in Quito, Ecuador.
  • Picture of a grey-necked wood rail (Aramides cajaneus cajaneus) at the Nispero Zoo.
  • Picture of an endangered big-headed turtle (Platysternon megacephalum megacephalum) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Fork-tailed drongo (Dicrurus adsimilis) in Gorongosa in Mozambique, Africa.
  • Miss Sandy Hill, a federally endangered Mississippi sandhill crane (Grus canadensis pulla), at the Audubon Center for Research of Endangered Species. Only 110 of this sandhill crane subspecies exists in the wild. Only another 45 birds are in captivity.
  • Picture of a mantis shrimp (Odontodactylus scyllarus) at the Monterey Bay Aquarium.
  • Photo: A Komodo dragon, Varanus komodoensis, at Sedgwick County Zoo. This animal is less than three months old and was a parthenogenetic birth.
  • Picture of a common death adder (Acanthophis antarcticus) at the Healesville Sanctuary.
  • Photo: Visayan leopard cat (Prionailurus bengalensis rabori) at the Avilon Zoo.
  • Picture of an endangered red panda (Ailurus fulgens fulgens) at the Lincoln Children's Zoo.
  • Photo: Blue sucker (Cycleptus elongatus) a New Mexico subspecies collected in the Black River.
  • Photo: A female, vulnerable red-crowned parakeet (Cyanoramphus novaezelandiae) named 'Gidget'.
  • Picture of a critically endangered (IUCN) and federally endangered Laysan duck (Anas laysanensis) at Omaha Henry Doorly Zoo.
  • Photo: A gidgee skink (Egernia stokesii) at Reptile Gardens.
  • Photo: Talapoin monkeys (Miopithecus talapoin) at the Audubon Zoo.
  • Picture of a vulnerable male blue-winged goose (Cyanochen cyanoptera) at Sylvan Heights Bird Park.
  • Photo: Harperella (Ptilimnium nodosum) a federally endangered plant that is native to wetlands on the Atlantic and Gulf Coasts.
  • Photo: A northern water snake (Nerodia sipedon) from a private collection.
  • Photo: A fat dormouse (Glis glis) at Centro Fauna Selvatica "Il Pettirosso".
  • Photo: A black wildebeest or White-tailed gnu (Connochaetes gnou) at the Singapore Zoo.
  • Photo: A black-headed night monkey (Aotus nigriceps) at Fundacao Jardim Zoologico de Brasilia.
  • Picture of a Boyd's forest dragon (Hypsilurus boydii) at Wild Life Sydney Zoo.
  • Canebrake rattlesnake (Crotalus horridus atricaudatus) at the Riverbanks Zoo.
  • Photo: Daisy brittle star (Ophiopholis aculeata) at the Alaska SeaLife Center in Seward, AK.
  • Picture of a bobtail squid (Euprymna scolopes) at the Monterey Bay Aquarium.
  • Picture of a Nelson's milksnake (Lampropeltis triangulum nelsoni) at Pet Paradise.
  • Photo: Western tiger snake (Notechis scutatus occidentalis) from a private collection.
  • Photo: White-tailed trogon (Trogon viridis) at the Miller Park Zoo.
  • Photo: A barred rail (Hypotaenidia torquata torquata) on Semirara Island in the Philippines.
  • Photo: Dickcissel (Spiza americana) wild caught by biologists using a mist net, near Wood River, Nebraska.
  • Photo: Carpenter bee (Xylocopa violacea) at Graham's Quinta dos Malvedos Vineyard.
  • Photo: A male Böhme's two-horned chameleon (Kinyongia boehmei) from a private collection in St. Augustine, Florida.
  • Photo: A studio portrait of a fly in Lincoln, Nebraska.
  • Photo: A ridgetop swiftlet (Collocalia esculenta bagobo) at the Philippine Eagle Center.
  • A critically endangered Axolotl (Ambystoma mexicanum) at the Detroit Zoo, Detroit, Michigan.
  • A lake sturgeon (Acipenser fulvescens) at the Genoa National Fish Hatchery.
  • Picture of an endangered Louisiana pine snake (Pituophis ruthveni) at the Central Florida Zoo.
  • Picture of a vulnerable Hispaniolan or Haitian slider turtle (Trachemys decorata) at the Bermuda Aquarium, Museum and Zoo.
  • An endangered Mexican alligator lizard (Abronia graminea) at the St. Louis Zoo.
  • Photo: Red swamp crayfish (Procambarus clarkii) at the Woodland Park Zoo.
  • Photo: A female giant Pacific octopus (Enteroctopus dofleini) at the Alaska SeaLife Center in Seward, AK.
  • Photo: Cinereous finch (Piezorhina cinerea) at the Sedgwick County Zoo.
  • Photo: Pacific seahorse (Hippocampus ingens) at the Dallas Children's Aquarium.
  • An American kestrel (Falco sparverius) on the hand of a girl at the Bramble Park Zoo.
  • Peloponnese wall lizard (Podarcis peloponnesiacus) at Wroclaw Zoo.
  • An Andean porcupine (Coendou quichua) named Piper at the Saint Louis Zoo.
  • Picture of an endangered (IUCN) and federally endangered Kagu (Rhynochetos jubatus) at the Houston Zoo.
  • Picture of a laughing gull (Leucophaeus atricilla) in winter plumage at the Virginia Aquarium.
  • Photo: Two black-faced quailfinch (Ortygospiza atricollis) at the Zoo Berlin.
  • Photo: Sacramento splittail (Pogonichthys macrolepidotus) at the University of California, Davis.
  • The egg from a diamondback terrapin, Malaclemys terrapin, at the Sedge Island Natural Resource Education Center in the Sedge Islands Marine Conservation Zone, Barnegat Bay, New Jersey.
  • Sonoran cantil (Agkistrodon bilineatus bilineatus) at the Arizona-Sonora Desert Museum.
  • A Schmidt's guenon (Cercopithecus ascanius schmidti) at the Houston Zoo.
  • A five-week-old endangered golden conure (Guaruba guarouba) at the Sedgwick County Zoo, Wichita, Kansas.
  • Photo: Yellow steppe lemming (Eolagurus luteus) at the Moscow Zoo.
  • Photo: A Vulnerable (IUCN) Common carp (Cyprinus carpio) at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • Photo: A Turkestan rock agama, Paralaudakia lehmanni, at the Plzen Zoo.
  • A groundhog (Marmota monax) photographed in Omaha, NE.
  • Picture of two vulnerable Malayan flat shelled turtles (Notochelys platynota) at the Knoxville Zoo.
  • Photo: A Malay civet (Viverra tangalunga) at Night Safari, part of Wildlife Reserves Singapore.
  • Photo: White woodpecker (Melanerpes candidus) in Choussy, France.
  • Photo: Gray four-eyed opossum (Philander opossum) at the Moscow Zoo.
  • A crocodile lizard (Shinisaurus crocodilurus) at the Omaha's Henry Doorly Zoo.
  • North Australian snake-necked turtle (Chelodina rugosa) at the Omaha Zoo.
  • A full grown Madagascan dwarf chameleon (Brookesia minima) in Madagascar. This species is endangered.
  • Rio Abiseo morph of the Pepperi poison dart frog (Ameerega pepperi).
  • Photo: An endangered Siberian salamander (Ranodon sibiricus) at the Moscow Zoo.
  • Picture of a critically endangered and federally endangered, yearling radiated tortoise (Astrochelys radiata) at the Turtle Conservancy.
  • Photo: A female Epibatidin dart poison frog (Epipedobates anthonyi) Santa Marta morph, at Centro Jambatu in Quito, Ecuador.
  • Photo: Checkered garter snake (Thamnophis marcianus) at the Phoenix Zoo.
  • Ashy pit viper (Trimeresurus puniceus) at the Houston Zoo.
  • Photo: A chestnut-naped imperial pigeon (Ducula aenea paulina) at the Prague Zoo.
  • Photo: Green guapote (Mayaheros beani) at the Arizona-Sonora Desert Museum.
  • Photo: Goias parakeet (Pyrrhura pfrimeri) a species found in Brazil at a private collection.
  • A red-eyed tree frog (Agalychnis callidryas), at the Sunset Zoo in Manhattan, KS.
  • Photo: Northern snake-necked turtle (Chelodina oblonga) from Turtles Australia
  • Yellowfin madtoms (Noturus flavipinnis) a vulnerable (IUCN) and federally threatened species at Conservation Fisheries, a native stream fish breeding center.
  • Photo: Leather sea star (Dermasterias imbricata) at the Boonshoft Museum of Discovery in Dayton, OH.
  • A meadow vole (Microtus pennsylvanicus pennsylvanicus) from Watertown, New York.
  • Barking treefrog (Hyla gratiosa) at the National Aquarium in Baltimore.
  • Picture of a fat Gorgonian, Pseudoplexaura (a type of coral) at Pure Aquariums from the Gulf Specimen Marine Lab.
  • A northern black-bellied whistling duck (Dendrocygna autumnalis fulgens) at the Tulsa Zoo.
  • Photo: Pacific lamprey (Entosphenus tridentatus) at the MK Nature Center in Boise, Idaho.
  • Photo: A critically endangered pygmy sculpin (Cottus paulus) at the Fish Biodiversity Lab, Auburn University, Auburn, Alabama.
  • A rhinoceros snake (Rhynchophis boulengeri) at the St. Louis Zoo.
  • Photo: A male barbary stag or atlas deer (Cervus elaphus barbarus) at Tierpark Berlin.
  • Picture of a vulnerable Hispaniolan giant tree frog (Osteopilus vastus) at the Parque Zoologico Nacional in Santo Domingo, Dominican Republic.
  • A compton tortoiseshell butterfly (Nymphalis vaualbum) from Cross Lake, Minnesota.
  • Photo: Swamp cavy or greater Guinea pig (Cavia magna) at the Plzen Zoo in the Czech Republic.
  • A barred tiger salamander (Ambystoma mavortium mavortium) at the Sedgwick County Zoo.
  • Picture of a European nose-horned viper (Vipera ammodytes) at the LA Zoo. This species is from Montenegro.
  • Photo: An endangered, female Sunda wrinkled hornbill (Aceros corrugatus rugosus) at Taman Mini Indonesia Indah.
  • Photo: A red-bellied fruit dove (Ptilinopus greyi) at the Zoo Berlin.
  • Photo: Little corella (Cacatua sanguinea sanguinea) at Loro Parque Fundacion.
  • Picture of a critically endangered male and female dama gazelle (Nanger dama ruficollis) at the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Orange-bellied parrot (Neophema chrysogaster) at Moonlit Sanctuary
  • A sable antelope (Hippotragus niger) at the Gladys Porter Zoo.
  • Bat-eared fox (Otocyon megalotis) at the Omaha Zoo.
  • Picture of a Spotted jelly (Mastigias papua) at Omaha's Henry Doorly Zoo and Aquarium.
  • Picture of an Auckland green gecko (Naultinus elegans elegans) at the Wellington Zoo.
  • A Eastern rat snake (Pantherophis alleghaniensis) at the Buttonwood Park Zoo in New Bedford, Massachusetts.
  • A vulnerable (IUCN) and federally threatened Florida sand skink (Plestiodon reynoldsi) at the Archbold Biological Station.
  • Chiapas beaded lizard (Heloderma horridum alvarezi) at Zoo Atlanta.
  • Photo: Pink-bellied imperial pigeon (Ducula poliocephala) at the Avilon Zoo.
  • Splendid mantella (Mantella pulchra) at the Detroit Zoo. (IUCN: Vulnerable)
  • An endangered (IUCN) and federally threatened Grevy's zebra (Equus grevyi) at the Lee G. Simmons Conservation Park and Wildlife Safari near Ashland, Nebraska.
  • An endangered (IUCN) East African crowned crane (Balearica regulorum gibbericeps) at the Kansas City Zoo.
  • Photo: Orange-crowned euphonia (Euphonia saturata) at the National Aviary of Colombia (Aviario Nacional de Colombia).
  • Picture of a painted tunicate (Clavelina picta) at Gulf Specimen Marine Lab and Aquarium.
  • A Gulf Coast toad (Incilius valliceps) at the San Antonio Zoo.
  • Picture of an Abe's or red-spot pufferfish (Tetraodon abei) at the Newport Aquarium.
  • Photo: A female globed-horned chameleon (Calumma globifer) in Madagascar.
  • Photo: Gunther's catfish (Horabagrus brachysoma) at Zoo Negara.
  • A critically endangered Celebes crested macaque, Macaca nigra.
  • A little ringed plover (Charadrius dubius curonicus) at Monticello Center in Italy.
  • 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.
  • Photo: Asiatic toad (Bufo gargarizans) at the Moscow Zoo.
  • Photo: A grey peacock-pheasant (Polyplectron bicalcaratum) at Sylvan Heights Bird Park.
  • A wild cicada on Bioko Island, Equatorial Guinea.
  • Photo: A male Jackson's chameleon (Trioceros jacksonii jacksonii) from a private collection in St. Augustine, Florida.
  • Photo: A Tanzanian blue leg centipede (Ethmostigmus trigonopodus) at Museum of Nature South Tyrol.
  • Photo: Chafer beetle (Tropinota squalida) at Graham's Quinta dos Malvedos Vineyard.
  • Photo: A greater spotted eagle (Aquila clanga) at the Plzen Zoo in the Czech Republic.
  • An endangered cotton-top tamarin (Saguinus oedipus) at the Miller Park Zoo.
  • Photo: A Eurasian goldfinch (Carduelis carduelis frigoris) at Zoo Plzeň.
  • Photo: Southern hawker (Aeshna cyanea) at Alpenzoo in Innsbruck, Austria.
  • Photo: A tree cactus (Pilosocereus bahamensis), an imperiled species found only in Key Largo.
  • Photo: Critically endangered Devils Hole pupfish (Cyprinodon diabolis) at Ash Meadows National Wildlife Refuge.
  • Photo: A white-tipped island pitviper (Trimeresurus insularis) at Taman Mini Indonesia Indah.
  • Photo: Little corella (Cacatua sanguinea sanguinea) at Loro Parque Fundacion.
  • Photo: A western slender glass lizard (Ophisaurus attenuatus) at the Sunset Zoo in Manhattan, Kansas.
  • Photo: A pair of pallid foxes (Vulpes pallida) at Cub Creek Science Camp in Rolla, MO. The female on the left is named Pallida and the male on the right in named Gadget.
  • Photo: Scottish wildcats (Felis silvestris grampia) at Wildcat Haven.
  • A little golden-mantled flying fox (Pteropus pumilus) at the Columbus Zoo.
  • Picture of a Kentucky darter (Etheostoma rafinesquei) at the Cincinnati Zoo.
  • Photo: A striped owl (Asio clamator midas) at BioParque do Rio.
  • Picture of a brown-throated sloth (Bradypus variegatus) at the Dallas World Aquarium.
  • Photo: An elephant nose fish (Gnathonemus petersii) at the Medicine Park Aquarium and Natural Sciences Center in Medicine Park, OK.
  • Photo: A walleye (Sander vitreum) at the Genoa National Fish Hatchery.
  • Picture of a dusky footed woodrat (Neotoma fuscipes) at the Wildlife Center of Silicon Valley.
  • Albino eastern grey kangaroo (Macropus giganteus) at the Columbus Zoo
  • Photo: An East Indian leopard gecko (Eublepharis hardwickii) from a private collection.
  • Photo: A true tomato frog (Dyscophus antongilii) at Omaha’s Henry Doorly Zoo.
  • Photo: A male Soemmerring’s copper pheasant (Syrmaticus soemmerringii soemmerringii) from a private collection.
  • Photo: A scrawled cowfish (Lactophrys tricornis) at Gulf Specimen Marine Lab and Aquarium.
  • Picture of a two-year-old male Northern tamandua (Tamandua mexicana) named Samba at the Summit Municipal Park in Gamboa, Panama.
  • Photo: Blue gourami (Trichopodus trichopterus) at the Dallas Children's Aquarium.
  • Critically endangered (IUCN) and federally endangered Cumberlandian combshell (Epioblasma brevidens). It has lures that look like fish eggs on top that are used to attract fish. When a fish strikes at the lures, the mussels then eject their larvae into the fish's gills and are able to increase their distribution, even upstream. The Clinch River has more federally listed aquatic species than any river in North America, yet is threatened by pollution and habitat loss. Coal mining in the watershed now raises the threat even more.
  • Photo: A common pipistrelle (Pipistrellus pipistrellus) at Parque Biologico.
  • A portrait of a great horned owl (Bubo virginianus subarcticus).
  • Picture of a satin bowerbird (Ptilonorhynchus violaceus) at Healesville Sanctuary.
  • Photo: A Stimson's python (Antaresia stimsoni) at Healesville Sanctuary.
  • A Sandhill crane (Grus canadensis) at the Sutton Avian Research Center.
  • Picture of a common toad-headed turtle (Mesoclemmys nasuta) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • critically endangered (IUCN) and federally endangered male Edward's pheasant (Lophura edwardsi) at Pheasant Heaven, a private pheasant breeding center near Clinton, NC.
  • Photo: A male common waterbuck (Kobus ellipsiprymnus ellipsiprymnus) at the Lisbon Zoo
  • A cat-eyed snake (Leptodeira septentrionalis) at the Gladys Porter Zoo.
  • Spur-thighed tortoise (Testudo graeca graeca) at Wroclaw Zoo.
  • Photo: A three-toed box turtle (Terrapene carolina triunguis) from the Houston Zoo.
  • Malaysian horned leaf frog (Megophrys nasuta) from a private collection.
  • European barn swallow (Hirundo rustica) from the Budapest Zoo.
  • Photo: A flat rock scorpion (Hadogenes bicolor) at Reptile Gardens.
  • Picture of a black madtom (Noturus funebris) from the Yellow River, Florida, at the US Geological Survey Southeast Science Center.
  • Picture of a vulnerable male lesser white-fronted goose (Anser erythropus) at Sylvan Heights Bird Park.
  • Picture of a common slender bluetongue (Cyclodomorphus branchialis) at the Healesville Sanctuary.
  • Picture of a harlequin poison frog (Oophaga histrionica) Anchicaya River, Colombia locality, from a private collection.
  • Photo: A glass catfish (Kryptopterus minor) at the Downtown Aquarium in Denver, Colorado.
  • Photo: A South American barn owl (Tyto alba tuidara) at Fundacao Jardim Zoologico de Brasilia.
  • Photo: Snail (Marmorana muralis muralis) at the Environmental Education Center of the Ribeiras de Gaia.
  • Photo: Lady crab or sand crab (Arenaeus cribrarius) at Gulf Specimen Marine Lab and Aquarium.
  • Picture of Johnny the serval (Leptailurus serval) at the Lincoln Children's Zoo.
  • A black-tailed prairie dog (Cynomys ludovicianus) at Zoo Atlanta.
  • A Texas tortoise (Gopherus berlandieri) at the Houston Zoo.
  • A near threatened Bachman’s sparrow (Peucaea aestivalis aestivalis) caught and photographed at Kissimmee Prairie Preserve State Park, Okeechobee, Florida.
  • Photo: A Hermann's tortoise (Testudo hermanni boettgeri) at Parco Natura Viva in Bussolengo, Italy..
  • Photo: A sun glass frog (Hyalinobatrachium aureoguttatum) at Centro Jambatu in Quito, Ecuador.
  • Photo: A critically endangered pygmy sculpin (Cottus paulus) at the Fish Biodiversity Lab, Auburn University, Auburn, Alabama.
  • A black-throated magpie-jay (Calocitta colliei) from the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: An oiled Pacific loon (Gavia pacifica) in winter plumage at International Bird Rescue Center.
  • Photo: A vulnerable Pesquet's parrot (Psittrichas fulgidus psittrichadini) at the Houston Zoo.
  • Picture of a praying mantis (Mantis religiosa) at the Houston Zoo.
  • A juvenile Antilles pinktoe (Caribena versicolor) at the Omaha’s Henry Doorly Zoo.
  • Photo: A metallic shiner (Pteronotropis metallicus) at Conservation Fisheries in Knoxville, Tennessee.
  • Photo: A Japanese gull, Larus crassirostris, at the Plzen, Czech Republic.
  • Photo: An Uracoan rattlesnake (Crotalus vegrandis) at Reptile Gardens.
  • Photo: Viper boa (Candoia aspera) at the Sedgwick County Zoo.
  • Miss Sandy Hill, a federally endangered Mississippi sandhill crane (Grus canadensis pulla), at the Audubon Center for Research of Endangered Species. Only 110 of this sandhill crane subspecies exists in the wild. Only another 45 birds are in captivity.
  • Picture of a Russian or Central Asian cobra (Naja oxiana) at the St. Louis Zoo.
  • Photo: A serrated snapping turtle, Elseya latisternum, at the Sedgwick County Zoo.
  • Photo: Romeo, a ten-year-old Sehuencas water frog (Telmatobius yuracare) at Museo d'Orbigny, a natural history museum and rare amphibian breeding center in Chocabamba Bolivia.
  • Picture of butterfly splitfins or butterfly goodeids (Ameca splendens) at the Denver Aquarium, Denver, Colorado. This species is considered extinct in the wild.
  • A crevice spiny lizard (Sceloporus poinsettii) at the Rolling Hills Wildlife Adventure in Salina, KS
  • Oyapok morph of a dyeing poison frog (Dendrobates tinctorius) from a private collection.
  • Photo: Blue catfish (Neoarius graeffei) at the Freshwater Ecology and Marine Biology Dept. at Templestowe College.
  • A young female snowy owl (Bubo scandiacus).
  • Photo: A sunda scops-owl (Otus lempiji lempiji) at Penang Bird Park.
  • A critically endangered (IUCN) and federally endangered Philippine crocodile (Crocodylus mindorensis) at the Gladys Porter Zoo.
  • Photo: A Chukar partridge (Alectoris chukar cypriotes) at the Plzen Zoo.
  • Picture of a Western Bluebill (Spermophaga haematina) at the Houston Zoo.
  • Photo: A juliaca four-eyed frog (Pleurodema cinereum) at Museo De Historia Natural "Alcide d'Orbigny".
  • Picture of a critically endangered and federally endangered radiated tortoise (Astrochelys radiata) from the Indianapolis Zoo.
  • The standard morph of a Pasco poison frog (Ranitomeya lamasi) from a private collection.
  • An endangered (IUCN) and federally endangered red-crowned crane (Grus japonensis) at the Kansas City Zoo.
  • Picture of an atlas moth (Attacus atlas) at the Florida Museum of Natural History.
  • Photo: A jungle crow (Corvus macrorhynchos macrorhynchos) at Taman Mini Indonesia Indah.
  • Photo: Endangered bluemask darters (Etheostoma akatulo) at Conservation Fisheries.
  • Photo: A crowned spiny lizard (Acanthosaura coronate) at Petra Aqua.
  • Picture of an Automedon giant owl (Eryphanis automedon) at the Saint Louis Zoo.
  • Picture of a Macklot's python (Liasis mackloti) at the Columbus Zoo, Columbus, Ohio.
  • Picture of an emerald tree skink (Lamprolepis smaragdina) at the Virginia Zoo
  • Picture of a vulnerable (IUCN) and federally endangered St. Vincent parrot (Amazona guildingii) at the Houston Zoo.
  • Photo: A Gumprecht's pitviper (Viridovipera gumprechti) at the Oklahoma City Zoo.
  • Picture of a male Brazilian teal, Amazonetta brasiliensis, at Sylvan Heights Bird Park.
  • Photo: A female barbary stag or atlas deer (Cervus elaphus barbarus) at Tierpark Berlin.
  • Central newt (Notophthalmus viridescens louisianensis) at the National Mississippi River Museum and Aquarium in Dubuque, IA.
  • A boreal toad (Anaxyrus boreas boreas) at the Cheyenne Mountain Zoo.
  • Photo: An eastern barred bandicoot (Perameles gunni) at the Melbourne Zoo.
  • Photo: Commander butterfly (Moduza procris procris) at ACCB in Siem Reap, Cambodia.
  • Male bees (Bombus sp.) swarm around sunflowers at Branched Oak Lake.
  • Photo: Benjamin, the Los Angeles Basin brush rabbit (Sylvilagus bachmani cinerascens) at the Big Bear Alpine Zoo in Big Bear Lake, CA.
  • Photo: A green cat snake (Boiga cyanea) at the Assam State Zoo cum Botanical Garden in Guwahati, Assam, India.
  • Photo: Red jointed fiddler crab (Uca minax) at Gulf Specimen Marine Lab and Aquarium.
  • A dubia cockroach (Blaptica dubia) at Omaha's Henry Doorly Zoo and Aquarium.
  • Photo: White spotted longhorn beetle (Batocera albofasciata) at the Audubon Insectarium.
  • Photo: A mangrove tunicate (Ecteinascidia turbinata) at Gulf Specimen in Panacea, Florida.
  • Photo: Crossbill (Loxia curvirostra curvirostra) at Alpenzoo in Innsbruck, Austria.
  • Photo: Acheta domesticus, commonly called the house cricket.
  • Photo: A Turkestan rock agama, Paralaudakia lehmanni, at the Plzen Zoo.
  • Photo: Spanish ibex (Capra pyrenaica) at the Madrid Zoo.
  • Photo: A prickly gecko (Heteronotia binoei) at Omaha's Henry Doorly Zoo.
  • Photo: An African wattled lapwing (Vanellus senegallus senegallus) at the Prague Zoo.
  • Photo: A Clark's grebe (Aechmophorus clarkii) at the International Bird Rescue Center in San Pedro, CA.
  • Photo: A Weber's lorikeet or leaf lorikeet (Trichoglossus weberi) at the Houston Zoo.
  • Photo: A group of masked bobwhite quail (Colinus virginianus ridgwayi) at the Sutton Avian Research Center near Bartlesville, Oklahoma.
  • A corn snake (Elaphe guttata guttata) at the Kansas City Zoo.
  • An endangered (IUCN) and federally endangered African wild dog (Lycaon pictus)
  • Photo: Female giant lime green stick insect (Diapherodes gigantea) at the Exmoor Zoo.
  • Photo: A laboratory walking stick (Carausius morosus) at the Biodiversity Hall of Natural History and Science Museum.
  • Picture of a Forest giant owl butterfly (Caligo eurilochus) at the Saint Louis Zoo.
  • A mallard (Anas platyrhynchos) duckling.
  • A robber frog (Pristimantis parvillus) near Mindo, Ecuador.
  • A vulnerable (IUCN) and federally threatened Florida sand skink (Plestiodon reynoldsi) at the Archbold Biological Station.
  • Picture of an American great egret (Ardea alba egretta) at the Saint Louis Zoo.
  • The endangered (IUCN) morispunga morph of the phantasmal poison frog (Epipedobates tricolor) at the Atlanta Botanical Garden.
  • Picture of the back end of a critically endangered (IUCN) and federally endangered Eastern black rhino (Diceros bicornis michaeli) at the Oklahoma City Zoo.
  • Photo: Mangrove viper (black phase) (Trimeresurus purpureomaculatus) at the Los Angeles Zoo.
  • A Platte River caddisfly (Ironoquia plattensis) a candidate for listing under the U.S. Endangered Species Act.
  • Photo: Nuthatch (Sitta europea caesia) at Alpenzoo in Innsbruck, Austria.
  • Photo: A male spectral pygmy chameleon (Rhampholeon spectrum) from a private collection.
  • Photo: A lookdown fish (Selene vomer) at the Virginia Aquarium.
  • Photo: A purple swamphen (Porphyrio porphyrio viridis) at Phnom Tamao Wildlife Rescue Center - Wildlife Alliance.
  • Photo: A three-toed box turtle (Terrapene carolina triunguis) from the Houston Zoo.
  • Picture of an extinct Pheres blue butterfly (Icaricia icarioides pheres) at the McGuire Center for Lepidoptera and Biodiversity.
  • Photo: A glowlight tetra (Hemigrammus erythrozonus) at River Safari, part of Wildlife Reserves Singapore.
  • Photo: A Cassin's kingbird (Tyrannus vociferans) at Liberty Wildlife in Phoenix, AZ.
  • A small-mouthed salamander (Ambystoma texanum) from a private collection.
  • Picture of a strawberry dart frog (Oophaga (Dendrobates) pumilio).
  • A red-knobbed hornbill (Rhyticeros cassidix) named Kong at the St. Augustine Alligator Farm.
  • Photo: Sonora chub (Gila ditaenia) at the Arizona-Sonora Desert Museum in Tucson, AZ.
  • Picture of a Hawaiian black triggerfish (Melichthys niger) at Pure Aquariums.
  • A raccoon dog (Nyctereutes procyonoides) named Thor at Zoo Atlanta. Engaging and curious but skittish, the raccoon dog was said to be a shape shifter according to ancient Japanese legend.
  • A critically endangered mongoose lemur (Eulemur mongoz) at Omaha's Henry Doorly Zoo and Aquarium.
  • Arizona treefrog (Hyla wrightorum) at the Arizona-Sonora Desert Museum.
  • Photo: A Sri Lankan junglefowl (Gallus lafayetii) at Prague Zoo.
  • A greater kudu (Tragelaphus strepsiceros) and her calf at the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Robust camel cricket (Udeopsylla robusta) at the Omaha Zoo.
  • Photo: A buffy fish owl (Ketupa ketupu aagaardi) at the Prague Zoo.
  • Photo: A pronghorn spiny lobster (Panulirus penicillatus) at Semirara Marine Hatchery Laboratory in the Philippines.
  • Photo: A male Florida Keys mole skink (Plestiodon egregius egregius) wild caught at Big Pine Key, Florida.
  • An endangered (IUCN) and federally endangered chimpanzee (Pan troglodytes) at Rolling Hills Wildlife Adventure near Salina, KS.
  • Picture of an endangered Chinese big-headed turtle (Platysternon megacephalum megacephalum) at the Houston Zoo.
  • A female (yellow in color) Golden Asian mantis (Hierodula venosa) at the Bugarium at the Albuquerque BioPark.
  • Photo: A male Sumba hornbill (Rhyticeros everetti) at Bali Bird Park in Bali, Indonesia.
  • Picture of a diablito, also known as a little devil poison frog (Oophaga sylvatica) Bilsa, Ecuador locality, from a private collection.
  • Photo: A Japanese gull (Larus crassirostris) at the Plzen Zoo.
  • A federally threatened North American black bear (Ursus americanus) at Omaha Zoo's Wildlife Safari Park.
  • Picture of an endangered pileated gibbon with her eight-month-old infant (Hylobates pileatus) at the Gibbon Conservation Center
  • Picture of a tailless whipscorpion (Phrynus marginemaculatus) at the Central Florida Zoo.
  • A tufted puffin (Fratercula cirrhata) at the Omaha Henry Doorly Zoo, in Omaha, Nebraska.
  • A blood python (Python brongersmai) at the Omaha Zoo.
  • Photo: An Amazon milk tree frog (Trachycephalus resinifictrix) at Reptile Gardens.
  • Photo: A cocoi heron (Ardea cocoi) at the National Aviary breeding center.
  • Photo: Squatter pigeon (Geophaps scripta) at Melbourne Zoo. This species is listed as vulnerable by IUCN.
  • A white-striped gecko (Gonatodes vittatus) from a private collection.
  • Picture of a house wren (Troglodytes aedon) from the wild near Thomasville, Georgia.
  • Photo: A silver-faced spider (Argiope modesta) at the Moscow Zoo.
  • Photo: Swallowtail seaperch (Anthias anthias) at Loro Parque.
  • Picture of a female white-faced ibis (Plegadis chihi) at Tracy Aviary.
  • Ornate box turtles (Terrapene ornata) at the Sunset Zoo in Manhattan, KS.
  • Picture of a longsnouted pipefish (Doryichthys martensii) at Pet Paradise.
  • A pair of Guinea baboons (Papio papio) at the Indianapolis Zoo.
  • Photo: Patagonian sierra finch (Phrygilus patagonicus) in Choussy, France.
  • Photo: Black rockfish (Sebastes melanops) at East Bay Regional Park District.
  • Imitating or mimic poison dart frog (Ranitameya imitator) at the Baltimore Aquarium. This animal is a descendant of the few remaining animals in El Cope National Park in Panama, where the chytrid fungus may wipe out the animal at any time.
  • Green vine snake (Ahaetulla nasuta nasuta) at the Rolling Hills Zoo.
  • Leafcutter ants (Atta spp.) at the St. Louis Zoo.
  • Photo: Ash Meadows naucorid beetles (Ambrysus amargosus) at Ash Meadows National Wildlife Refuge in NV. This species is federally threatened.
  • Photo: This is an undescribed crab species that resembles the species tiomanicum (Geosesarma sp. Tiomanicum) at Petra Aqua.
  • A federally endangered Salt Creek tiger beetle (Cicindela nevadica lincolniana) in a lab at the University of Nebraska-Lincoln. With a count of fewer than 250 adults in the summer of 2007, this subspecies of tiger beetle could be the rarest insect in North America. Found only in the interior saline wetlands of Lancaster County, Nebraska, the beetle has been in decline for years due to habitat loss from development.
  • Photo: A pair of spotted rocksnails (Leptoxis picta) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.
  • Portrait of a California sea lion (Zalophus californianus).
  • Photo: An African pied hornbill (Tockus fasciatus) at Parque Biologico.
  • Picture of a Henslow's sparrow (Ammodramus henslowii) at the Elsoma Plantation near Thomasville, Georgia.
  • A North American beaver (Castor canadensis) at Nebraska Wildlife Rehab.
  • Four-striped grass mouse (Rhabdomys pumilio) at the Omaha Zoo.
  • A white-faced whistling duck (Dendrocygna viduata) at the Lincoln Children's Zoo.
  • A red-eyed tree frog (Agalychnis callidryas), at the Sunset Zoo in Manhattan, KS.
  • Picture of a vulnerable Madagascar spider tortoise (Pyxis arachnoides oblonga) at the Fresno Chaffe Zoo.
  • Picture of a Yellow phase of the strawberry poison dart frog (Oophaga (Dendrobates) pumilio) at the National Aquarium in Baltimore.
  • Photo: Atlantic sting ray (Dasyatis sabina) from Gulf Specimen Marine Laboratories.
  • Hourglass treefrog (Hyla ebracatta) at the Detroit Zoo.
  • Picture of a rosy-billed pochard ducks (Netta peposaca) at the Sylvan Heights Bird Park.
  • A critically endangered (IUCN) and federally endangered red wolf (Canis rufus gregoryi) at the Great Plains Zoo.
  • A tricolored heron (Egretta tricolor) at the Cincinnati Zoo.
  • Photo: Belize yellow headed amazon (Amazona oratrix beliziensis) at Loro Parque Fundacion.
  • Photo: A Jack Dempsey cichlid (Rocio octofasciata) from a private collection.
  • Vulnerable male and female black lemurs (Eulemur macaco) at the Saint Louis Zoo.
  • Stripped knee tarantula (Aphonopelma seemanni) at the Great Plains Zoo.
  • Picture of a wood duck (Aix sponsa) at the Lincoln Children's Zoo.
  • A Liguus tree snail (Liguus fasciatus) at Crocodile Lake National Wildlife Refuge, Key Largo, FL.
  • Critically-endangered (IUCN) and federally endangered Sumatran tiger cubs (Panthera tigris sumatrae).
  • A studio portrait of a vulnerable (IUCN) male lesser prairie-chicken (Tympanuchus pallidicinctus) that was caught to be radio collared.
  • Photo: Signal barb (Labiobarbus festivus) at Zoo Negara.
  • Photo: Central Plains milk snake (Lampropeltis triangulum gentilis) collected in Jefferson County, Nebraska.
  • A long-eared owl (Asio otus tuftsi) at The Wildlife Center in Espanola, NM.
  • Photo: A juvenile Florida Keys rat snake (Pantherophis alleghaniensis deckerti) from a private collection.
  • Photo: Two-day-old mourning dove hatchlings (Zenaida macroura) at Wildlife Care Association
  • Picture of a Northwestern lettered aracari (Pteroglossus inscriptus humbolti) at the Dallas World Aquarium.
  • Picture of a Siamese fireback pheasant (Lophura diardi) at Pheasant Heaven, a private pheasant breeding center near Clinton, NC.
  • Picture of a rhinoceros hornbill (Buceros rhinoceros) at the Houston Zoo.
  • The federally endangered Iowa Pleistocene Snail (Discus macclintocki). This is a relict from the last ice age, some 400,000 years ago. It lives in cold air vents on 37 different hillsides in Iowa (and one in Illinois) and survives only in the cold air that blows past underground ice and out of the cracks in limestone cliffs.
  • Photo: A blue eared lory (Eos semilarvata) at Loro Parque Fundacion.
  • Photo: Southern hognose snakes (Heterodon simus) in red and white color phases, at a private collection.
  • Photo: Allegheny mudbug (Cambarus monongalensis) from the wild.
  • Picture of a juvenile band tailed pigeon (Patagioenas fasciata) at the Wildlife Center of Silicon Valley.
  • A southern three-banded armadillo (Tolypeutes matacus) at the Lincoln Children's Zoo, Lincoln, Nebraska. (IUCN: Near Threatened)
  • Photo: Black-billed turaco (Tauraco schuettii emini) at the Madrid Zoo.
  • A captive critically endangered (IUCN) and federally endangered California condor (Gymnogyps californianus) at the Phoenix Zoo.
  • Photo: Critically Endangered Bandula barb (Pethia bandula) at the Plzen Zoo. This is the Photo Ark's 9,000th species!
  • A piping plover (Charadrius melodus). (US: Endangered)
  • Photo: A plated lizard (Cerrhosaurus major) at Omaha's Henry Doorly Zoo.
  • Picture of a critically endangered (IUCN) and federally endangered Vancouver Island marmot, Marmota vancouverensis, at the Toronto Zoo.
  • Photo: Grey triggerfish (Balistes capriscus) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: Imperial green pigeon (Ducula aenea) at Kamla Nehru Zoological Garden, Ahmedabad, India.
  • A harpy eagle (Harpia harpyja) at the Los Angeles Zoo.
  • A Gulf marsh snake (Nerodia fasciata clarki) at the Estuarium in Dauphin Island, AL.
  • A ringed map turtle, Graptemys oculifera, at the National Mississippi River Museum and Aquarium in Dubuque, IA. This species is listed as endangered (IUCN) and federally threatened.
  • Miss Sandy Hill, a federally endangered Mississippi sandhill crane (Grus canadensis pulla), at the Audubon Center for Research of Endangered Species. Only 110 of this sandhill crane subspecies exists in the wild. Only another 45 birds are in captivity.
  • Photo: Flat rock crab (Percnon planissimum) at the Loveland Living Planet Aquarium in Draper, UT.
  • A studio portrait of a vulnerable (IUCN) male lesser prairie-chicken (Tympanuchus pallidicinctus) that was caught to be radio collared.
  • A lark sparrow (Chondestes grammacus) at the Brown Ranch, Texas.
  • Photo: A rainbow darter (Etheostoma caeruleum) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL. This fish was collected from Butler Creek, Lauderdale County, AL.
  • Photo: Harapan, a four-year-old male Sumatran rhino (Dicerorhinus sumatrensis), at White Oak Conservation Center.
  • A nine-banded armadillo (Dasypus novemcintus) at the Tulsa Zoo, Tulsa, Oklahoma.
  • Photo: A prickly sculpin, Cottus asper, at A Rocha Brooksdale Environmental Center in Surrey, BC.
  • Fischer's chameleon (Kinyongia fischeri) at the Omaha Zoo.
  • A vulnerable (IUCN) Madagascar painted frog (Mantella madagascariensis) from a private collection.
  • Photo: A helmeted water toad (Calyptocephalella gayi) at the Santiago Zoo in Chile.
  • A federally endangered Mexican gray wolf (Canis lupus baileyi) at the Wild Canid Survival and Research Center.
  • Picture of a baby Swainson's lorikeet (Trichoglossus haematodus moluccanus) at the Oklahoma City Zoo.
  • Photo: A shingle-back skink (Trachydosaurus rugosus) at Reptile Gardens.
  • Photo: Violaceous jay (Cyanocorax violaceus) at Parque Jaime Duque near Bogota, Colombia.
  • Southern ring-necked snakes (Diadophis punctatus punctatus) at Cape Canaveral.
  • Photo: White sucker (Catostomus commersonii) at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • Picture of a northwestern garter snake (Thamnophis sirtalis) at the Oregon Zoo.
  • Picture of a harlequin Tusk (Choerodon fasciatus) at Pure Aquariums.
  • Marbled or bird dropping frogs (Hyla marmorata) from a private collection.
  • Photo: Giant Emperor or Giant Charaxes (Charaxes castor) at the San Antonio Zoo.
  • An Iranian fire salamander (Salamandra semenovi).
  • Picture of a brown teal (Anas chlorotis) at the Kiwi Birdlife Park.
  • Photo: A female Cuban kestrel (Falco sparverius sparveroides) named Sweetie at the Marathon Wild Bird Center in Marathon, Florida.
  • Photo: Pale milk snake (Lampropeltis triangulum multistriata) collected in the Nebraska Sandhills--Thomas County.
  • Photo: A common raven (Corvus corax sinuatus) at the Wildlife Rehab Center of Minnesota (WRCMN). This bird had broken its wing and was wearing a splint to help it heal.
  • A Columbia spotted frog (Rana luteiventris) from the Toiyabe subpopulation near Austin, Nevada.
  • Photo: An endangered North Philippine hawk-eagle (Nisaetus philippensis) at the Avilon Zoo.
  • Photo: Isok barb (Probarbus jullieni) at Zoo Negara.
  • Photo: A golden blue leg baboon tarantula (Harpactira pulchripes) from a private collection.
  • Photo: A wild caterpillar in Bioko Island, Equatorial Guinea.
  • Photo: An Eld's deer or brow-antlered deer (Rucervus eldii siamensis) at Phnom Tamao Wildlife Rescue Center - Wildlife Alliance.
  • A Sharp-shinned hawk (Accipiter striatus) at Raptor Recovery Nebraka.
  • Picture of an Ord's kangaroo rat (Dipodomys ordii) at the Fort Worth Zoo.
  • Photo: Coralline sculpin (Artedius corallinus) at East Bay Regional Park District.
  • A vulnerable, federally endangered blue-throated parakeet (Pyrrhura cruentata) at the Houston Zoo.
  • Picture of a common squirrel monkey(Saimiri sciureus sciureus) named Chili at the Santa Fe College Teaching Zoo.
  • Picture of an endangered (IUCN) and federally endangered Hispaniolan solenodon (Solenodon paradoxus) at Parque Zoologico Nacional in the Dominican Republic. The second lower incisor tooth of this animal is grooved and can be used to deliver a venomous saliva. This is one of the only venomous mammals on Earth.
  • Photo: A black edge moray eel (Gymnothorax saxicola) at Gulf Specimen Marine Lab.
  • Photo: Longnose sucker (Catostomus catostomus) at the Alaska SeaLife Center in Seward, AK.
  • Photo: Pink eared duck (Malacorhynchus membranaceus) at Monticello Center in Italy.
  • A gulf menhaden (Brevoortia patronus) at Gulf Specimen Marine Lab.
  • An endangered Malagasy giant jumping rat (Hypogeomys antimena) at Omaha's Henry Doorly Zoo and Aquarium.
  • A vulnerable (IUCN) and federally threatened Florida sand skink (Plestiodon reynoldsi) at the Archbold Biological Station.
  • Photo: Six glass catfish (Kryptopterus bicirrhis) at the Medicine Park Aquarium and Natural Sciences Center in Medicine Park, OK.
  • A federally endangered snail kite (Rostrhamus sociabilis) at the Audubon Center for Birds of Prey, a rehab and education center.
  • Picture of a 29-year-old endangered male Asian elephant (Elephas maximus) named Billy at the LA Zoo.
  • Photo: Yellow-ridged toucan (Ramphastos vitellinus culminatus) at Parque Jaime Duque near Bogota, Colombia.
  • Photo: Shovelnose ray (Glaucostegus typus) at Shark Reef Aquarium.
  • Photo: Teays River crayfish (Cambarus sciotensis) from the wild.
  • Photo: A spectacled owl (Pulsatrix perspicillata chapmani) at Zoologico de Quito.
  • Mexican lance-headed rattlesnake (Crotalus polystictus) at the St. Louis Zoo.
  • Photo: A western pygmy rattlesnake (Sistrurus miliarius streckeri) at the Pontotoc Ridge Preserve near Connerville, OK.
  • A Rowley's palm pit viper (Bothriechis rowleyi) at the St. Louis Zoo.
  • Eyed anole (Anolis oculatus winstonorum) at Wroclaw Zoo.
  • Photo: Little blue heron (Florida caerulea) at the National Aviary of Colombia.
  • El Segundo flower-loving fly (Rhaphiomidas terminatus terminatus). This insect was thought to be extinct since the end of the 1960s but a small remnant population of less than 100 individuals was discovered in the early 2000s.
  • Photo: A white-naped jacobin hummingbird (Florisuga mellivora) from the wild in Gamboa, Panama.
  • Photo: A male Kashmir koklass pheasant (Pucrasia macrolopha biddulphi) from a private collection.
  • Photo: Leucos aula at Alpenzoo in Innsbruck, Austria.
  • Photo: A common merganser or goosander (Mergus merganser) at the Plzen Zoo,
  • Photo: A regal sea fan (Lophogorgia hebes) at Gulf Specimen Aquarium in Panacea, FL.
  • Photo: Eurasian sparrowhawk (Accipiter nisus) at the Budapest Zoo.
  • Photo: Mesic four striped grass mouse (Rhabdomys dilectus) at the Plzen Zoo in the Czech Republic.
  • Photo: A large fig parrot (Psittaculirostris desmarestii desmarestii) at the Prague Zoo.
  • Photo: A white-tailed hawk (Geranoaetus albicaudatus colonus) at the Membeca Lagos Farm, near Rio de Janeiro, Brazil.
  • Photo: A golden pheasant (Chrysolophus pictus) from a private collection.
  • Picture of a red-browed finch (Neochmia temporalis) at the Healesville Sanctuary.
  • Photo: An African bullfrog (Oyxicephalus adspersus) at Reptile Gardens.
  • A critically endangered (IUCN) and federally endangered Jamaican boa (Chilabothrus subflavus) at the St. Louis Zoo.
  • A least auklet (Aethia pusilla) at the Cincinnati Zoo.
  • A spectral tarsier (Tarsius fuscus) at Night Safari, part of Wildlife Reserves Singapore.
  • Photo: Small red scorpionfish, Scorpaena notata, at the Vasco da Gama Aquarium.
  • A narrow-bridged musk turtle (Claudius angustatus) at the Chapultepec Zoo in Mexico City.
  • Picture of an albino porcupine (Erethizon dorsatum) named Halsey at the Nebraska Wildlife Rehab in Louisville, NE.
  • Picture of a critically endangered blue-eyed black lemur (Eulemur flavifrons) named "Poots" at the Duke Lemur Center.
  • Picture of a vulnerable spiny-tailed iguana (Ctenosaura hemilopha conspicuosa) at the St. Louis Zoo.
  • Photo: Common loon (Gavia immer) in winter plumage at International Bird Rescue Center.
  • Photo: A Texas horned lizard (Phrynosoma cornutum) at the San Antonio Zoo. The orange coloration helps it blend into the rocky outcroppings and soil that it inhabits.
  • A critically endangered (IUCN) and federally endangered hawksbill turtle (Eretmochelys imbricata) at the XCaret Resort in Mexico.
  • Photo: A Heck's macaque (Macaca hecki) at Bali Safari.
  • European fire salamander (Salamandra salamandra bernardezi) at the St. Louis Zoo.
  • A male Mt. Kilimanjaro two-horned chameleon or dwarf Fischer's chameleon (Kinyongia tavetana) from the Omaha Zoo.
  • Photo: White-winged parakeet (Brotogeris versicolurus) at Cafam Zoo in Melgar, Colombia.
  • Picture of a tuatara (Sphenodon punctatus) at the St. Louis Zoo.
  • A frilled neck lizard (Chlamydosaurus kingii) at Parco Natura Viva in Bussolengo, Italy.
  • Photo: A male six spotted fishing spider (Dolomedes triton) from the University of Nebraska-Lincoln.
  • Picture of a critically endangered (IUCN) and federally endangered Vancouver Island marmot, Marmota vancouverensis, at the Toronto Zoo.
  • Picture of a federally endangered Andean condor (Vultur gryphus) at the Lowry Park Zoo.
  • A critically endangered black-eyed treefrog (Agalychnis moreletii) at the National Aquarium in Baltimore.
  • Photo: China cockle (Trachycardium egmontianum) from Gulf Specimen Marine Laboratories.
  • An orange-crowned warbler (Leiothlypis celata celata) being cared for by Nebraska Wildlife Rehab.
  • Photo: Desert kissing bug (Triatoma rubida) at the Arizona-Sonora Desert Museum.
  • Photo: A giant burrowing cockroach (Macropanesthia rhinoceros) at the Taronga Zoo.
  • Photo: A Mindoro water monitor (Varanus bangonorum) on Semirara Island in the Philippines.
  • Picture of a male king eider (Somateria spectabilis) at the Sylvan Heights Bird Park.
  • Photo: A blue eared-pheasant (Crossoptilon auritum) at Tierpark Berlin.
  • A mudpuppy (Necturus maculosus) at the Genoa National Fish Hatchery.
  • Picture of Texas millipedes (Orthoporus texicolen) at the Central Florida Zoo.
  • Photo: A duncan coral (Duncanopsammia axifuga) at the Akron Zoo.
  • Photo: A Kawall’s amazon (Amazona kawalli) at Fundacao Jardim Zoologico de Brasilia.
  • Photo: A Malay civet (Viverra tangalunga) at Night Safari, part of Wildlife Reserves Singapore.
  • Picture of a female indigo bunting (Passerina cyanea) at St. Francis Wildlife, a rehab center in Quincy, FL.
  • A milkweed tussock caterpillar (Euchaetes egle) at Spring Creek Prairie near Denton, Nebraska.
  • Photo: Whirligig beetle (Dineutus sublineatus) at the Bugarium at the Albuquerque BioPark.
  • Photo: Pygmy lizard (Cophotis ceylanica) at Urban Ark Conservation
  • Photo: A crestless curassow (Mitu tomentosum ) at the National Aviary of Colombia.
  • Photo: Texas pimpleback mussel (Cyclonaias petrina) from the Crustacean and Molluskan Ecology Lab at Auburn University.
  • Photo: Western Bean Cutworm Moth (Striacosta albicosta) at Cedar Point Biological Station.
  • Photo: A Kuroiwa's ground gecko (Goniurosaurus kuroiwae) from private collection.
  • Photo: A critically endangered pygmy sculpin (Cottus paulus) from Auburn University fish lab.
  • A juvenile skunk (Mephitis mephitis).
  • Picture of a Costa Rican tiger rump tarantula (Cyclosternum fasciatum) at the Brevard Zoo.
  • Photo: A rare rough-scaled python (Morelia carinata) at Reptile Gardens.
  • Photo: An Apalachee shiner (Pteronotropis grandipinnis) from a private collection in Knoxville, Tennessee.
  • Photo: A female, black striped capuchin (Sapajus libidinosus) at Fundacao Jardim Zoologico de Brasilia.
  • Photo: Siberian flying squirrel (Pteromys volans) at the Moscow Zoo. This species is listed as vulnerable by IUCN.
  • Photo: An oriental pied hornbill (Anthracoceros albirostris) at the Assam State Zoo in Guwahati, Assam, India.
  • Western cottonmouth (Agkistrodon piscivorous leucostoma) at the Tulsa Zoo.
  • Photo: Giant flower beetle (Mecynorhina torquata ugandensis) at Houston Zoo
  • Photo: Cairns birdwing (Ornithoptera euphorion) at Melbourne Zoo. This is a male.
  • Southern corroboree frogs (Pseudophryne corroboree) a critically endangered species at the Healesville Sanctuary in Healesville, Victoria, Australia.
  • A West African dwarf crocodile (Osteolaemus tetraspis tetraspis) at the Lincoln Children's Zoo. This species is federally endangered and listed as vulnerable on IUCN.
  • Picture of red-eye wrasse (Cirrhilabrus solorensis) at Omaha's Henry Doorly Zoo and Aquarium.
  • Common marsupial frog (Gastrotheca marsupiata) at the Detroit Zoo.
  • Picture of a South Georgia pintail (Anas georgica georgica) at the Sylvan Heights Bird Park.
  • Photo: A giant zonosaur (Zonosaurus maximus) in Madagascar.
  • Photo: A dragon snake (Xenodermus javanicus) from a private collection.
  • Photo: A female blackburnian warbler (Setophaga fusca) at the Wildlife Rehab Center of Minnesota.
  • Photo: A male golden-mantled ground squirrel (Callospermophilus lateralis) at the hibernation study lab of Dr. Greg Florant at Colorado State University.
  • Photo: Lane snapper (Lutjanus synagris) at Gulf Specimen Marine Lab and Aquarium.
  • Picture of a Merriam's chipmunk (Neotamias merriami) at the Santa Barbara Wildlife Care Network.
  • Photo: Putty-nosed monkey (Cercopithecus nictitans) named Ruby at the ONG Animal's World in Libreville, Gabon.
  • Photo: Sonoran opossum (Didelphis virginiana californicus) from a private collection.
  • Picture of an Auckland tree weta (Hemideina thoracica) at the Auckland Zoo.
  • Photo: A New Caledonia giant gecko (Rhacodactylus leachianus) at Reptile Gardens.
  • Photo: A modest day gecko (Phelsuma modesta isakae) at the Plzen Zoo.
  • An American toad (Anaxyrus americanus) at the Genoa National Fish Hatchery.
  • Photo: A North African ocellated lizard, Timon pater, at the Plzen Zoo.
  • Photo: A male crowned river turtle, Hardella thurjii, at Prague Zoo. This species is listed as vulnerable by IUCN. This turtle is native to the Ganges river system in India.
  • Photo: A female Perret’s peacock chameleon (Trioceros perreti) from a private collection.
  • Painted mantella (Mantella baroni) at the Detroit Zoo.
  • Photo: A king rail (Rallus elegans) at the Carolina Wildlife Center, a place that rescues and rehabilitates injured and orphaned wildlife.
  • A critically endangered (IUCN) and federally endangered Mississippi gopher frog (Lithobates sevosa) from a private collection.
  • Photo: A female Madagascar fish eagle (Haliaeetus vociferoides) at PBZT, the Parc Botanique Et Zoologique de Tsimbazaza.
  • Photo: An eastern leopard tortoise (Stigmochelys pardalis babcocki) at the Caldwell Zoo in Tyler, Texas.
  • Bolkar viper (Montivipera bulgardaghica) at the St. Louis Zoo.
  • Bar-headed geese (Anser indicus) at the Audubon Zoo in New Orleans.
  • Photo: Cliff, a male Rocky Mountain bighorn sheep (Ovis canadensis canadensis) at the Denver Zoo.
  • A green and black poison dart frog (Dendrobates auratus) collected near Pilalo, Ecuador.
  • Photo: A wattled crane (Bugeranus carunculatus) at the Dallas Zoo.
  • Photo: A male Kafue lechwe (Kobus kaufensis) at Parco Natura Viva in Bussolengo, Italy.
  • Picture of a fork-tailed flycatcher (Tyrannus savana) at the National Aviary breeding center.
  • Photo: Common archduke (Lexias pardalis jadeitina) at ACCB in Siem Reap, Cambodia.
  • A crawfish from Bioko Island, Equatorial Guinea.
  • Picture of a magenta dottyback (Pseudochromis porphyreus) at Pure Aquariums.
  • Photo: Crested sculpin (Blepsias bilobus) at the Alaska SeaLife Center.
  • Bigmouth buffalo (Ictiobus cyprinellus) at Gavins Point National Fish Hatchery and Aquarium.
  • Photo: Malayan tree nymph (Idea lynceus) at Malacca Butterfly and Reptile Sanctuary.
  • A federally endangered Mexican gray wolf (Canis lupus baileyi) at the Wild Canid Survival and Research Center.
  • Photo: Saffron finches (Sicalis flaveola brasiliensis) at the Membeca Lagos Farm, near Rio de Janeiro, Brazil.
  • A redfish (Sciaenops ocellatus).
  • Photo: Rainforest Snail (Hadra webbi) at Melbourne Zoo.
  • A critically endangered (IUCN) and federally endangered Sumatran tiger (Panthera tigris sumatrae).
  • A Mexican golden red-rump tarantula (Brachypelma albiceps) at the Fort Worth Zoo.
  • Photo: An endangered Peruvian woolly monkey (Lagothrix cana) at Cetas-IBAMA, a wildlife rehab center in Manaus, Brazil.
  • 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.
  • A studio portrait of a vulnerable (IUCN) male lesser prairie-chicken (Tympanuchus pallidicinctus) that was caught to be radio collared.
  • Photo: A common sand dollar, Echinarachnius parma, at the Alaska SeaLife Center.
  • Picture of a federally endangered Mikado pheasant (Syrmaticus mikado) at Pheasant Heaven, a private pheasant breeding center near Clinton, NC.
  • Picture of a male panther chameleon, Furcifer pardalis--Ambilobe locality, at the Dallas World Aquarium.
  • Photo: Northern pike (Esox lucius) at the University Lab at the University of Minnesota in St. Paul.
  • Photo: A grey or Hungarian partridge (Perdix perdix) at the Prague Zoo.
  • A lovely poison frog, Phyllobates lugubris.
  • Photo: Red rock crab (Cancer productus) at East Bay Regional Park District.
  • Picture of a lagoon triggerfish (Rhinecanthus aculeatus) at Pure Aquariums.
  • Photo: Texas pimpleback mussel (Cyclonaias petrina) from the Crustacean and Molluskan Ecology Lab at Auburn University.
  • An Engystomops randi, no English names noted.
  • Photo: An African crested porcupine (Hystrix africaeaustralis) at the Riverside Zoo, Scottsbluff, Nebraska.
  • Photo: Adult Longfin smelt (Spirinchus thaleichthys) at the Fish Conservation and Culture Lab in Byron, CA at UC Davis.
  • A blue-spotted salamander (Ambystoma laterale) at the National Mississippi River Museum and Aquarium, Dubuque, Iowa.
  • Picture of a silvery marmoset (Mico argentatus) at the Plzen Zoo in the Czech Republic.
  • Photo: A Gilded flicker (Colaptes chrysoides) at Liberty Wildlife in Phoenix, AZ.
  • Photo: A Great Plains skink (Plestiodon obsoletus) collected in Jefferson County, Nebraska.
  • Picture of a female scissor-tailed flycatcher (Tyrannus forficatus) at the Wichita Mountains National Wildlife Refuge.
  • A female pearl crescent butterfly (Phyciodes tharos) from Dieken Prairie near Undadilla, Nebraska.
  • Photo: A spiny-cheek crayfish (Faxonius limosus) at Petra Aqua.
  • Photo: A Florida mud turtle at Reptile Gardens.
  • Feather-tailed centipede (Alipes grandidieri) at the Henry Doorly Zoo and Aquarium.
  • Photo: An arcuate horseshoe bat (Rhinolophus arcuatus) at the University of the Philippines.
  • 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.
  • A giant panda (Ailuropoda melanoleuca) at Zoo Atlanta. This endangered (IUCN) and federally endangered species is native to China.
  • Amber snail (most likely the oval ambersnail, Succinea ovalis) Two Rivers State Recreation Area.
  • A carolina anole (Anolis carolinensis) from Cape Canaveral Florida.
  • Photo: A Russian rat snake (Elaphe schrenckii) at Pet Paradise.
  • Picture of a bronze-winged parrot (Pionus chalcopterus) at the Dallas World Aquarium.
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