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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 35,911-picture Photo Ark for an animal or species. Scroll down to see every species in the Ark … if you’ve got all day.

  • 10819 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: An endangered gray woolly monkey (Lagothrix cana) at Mantenedor da Fauna Silvestre Cariuá.
  • Photo: Two female and one male Fallow deer (Dama dama) at the Madrid Zoo.
  • Photo: Northern prairie lizard (Sceloporus consobrinus) collected in Cherry County, Nebraska.
  • Photo: An endangered, female great-billed seed finch (Sporophila maximiliani maximiliani) at Fundacao Jardim Zoologico de Brasilia.
  • Picture of an endangered (IUCN) and federally endangered male Asiatic lion (Panthera leo persica) at Kamla Nehru Zoological Garden, Ahmedabad, India.
  • Photo: A near threatened Himalayan tahr (Hemitragus jemlahicus) at the Rome Zoo.
  • Photo: An Eastern hellbender (Cryptobranchus alleganiensis alleganiensis) at the St. Louis Zoo. This facility is famous for rearing hellbenders, but also for studying cures for chytrid (bd) fungus and other threats.
  • Photo: Female vivid dancer damselfly (Argia vivida) at Cedar Point Biological Station.
  • Endangered (IUCN) Barrens topminnows (Fundulus julisia) at Conservation Fisheries, a native stream fish breeding center. With only found in the Barrens Plateau in middle Tennessee, these fish are one of the rarest in eastern North America.
  • Photo: A female red grouse (Lagopus muticus scotica) at a private collection.
  • Photo: Bloodsucking conenose (Triatoma dimidiata) at the Toronto Zoo.
  • Picture of a red-tailed hawk (Buteo jamaicensis).
  • A wild caught chafer beetle (Holotrichia sp.) from Mt. Makiling forest in Luzon, Philippines.
  • Photo: Sonoran coral snake (Micruroides euryxanthus) from a private collection.
  • The Nene goose, (Branta sandvicensis), a Hawaiian vulnerable (IUCN) and federally endangered species.
  • Photo: An adult, male white-tailed titi (Callicebus discolor) at Zoologico de Quito.
  • Photo: Blue backed parrot (Tanygnathus sumatranus sumatranus) at Loro Parque Fundacion.
  • Northern grasshopper mouse, or killer mouse (Onychomys leucogaster) at Cedar Point Biological Station.
  • Photo: A big-headed turtle (Platysternon megacephalum shiui) from Asia at the Sedgwick County Zoo.
  • Picture of an endangered Panay cloudrunner (Crateromys heaneyi) at the Plzen Zoo in the Czech Republic.
  • Picture of an American avocet (Recurvirostra americana) at Tracy Aviary.
  • Picture of an apalachicola pondhorn (Uniomerus columbensis) collected from the Suwannee River in Florida.
  • Photo: A crested serpent eagle (Spilornis cheela bido) from Java at at Taman Safari.
  • Picture of a juvenile female cave weta (Talitropsis sedilloti) at the Kiwi Birdlife Park in Queenstown, New Zealand.
  • Photo: A Yunnan bamboo pitviper (Trimeresurus yunnanensis) from a private collection.
  • Photo: A creamy-bellied thrush (Turdus amaurochalinus) at Museo De Historia Natural Alcide d'Orbigny, a natural history museum and rare amphibian breeding center in Chocabamba Bolivia.
  • Samueli red-tailed black cockatoo (Calyptorhynchus banksii samueli), at Parrots in Paradise, a bird attraction in Glass House Mountains, Queensland.
  • Picture of an endangered Asian elephant (Elephas maximus).
  • Photo: River carpsucker (Carpiodes carpio) collected from the Rio Grande River near Albuquerque, New Mexico.
  • Mount Lyell salamander (Hydromantes platycephalus) caught in the wild at Sixty Lake Basin of King's Canyon National Park, Nevada.
  • Wied's marmoset (aka Kuhlii's marmoset)(Callithrix kuhlii) at the Lincoln Childrens Zoo.
  • An eastern American toad (Bufo americanus americanus) found in Watertown, NY.
  • Photo: Grey trapdoor spider (Cyphonisia sp.) at Butterfly Pavilion in Westminster, Colorado.
  • A harbor seal (Phoca vitulina) named Kobuk at the Alaska SeaLife Center in Seward, AK.
  • A giant panda (Ailuropoda melanoleuca) at Zoo Atlanta. This endangered (IUCN) and federally endangered species is native to China.
  • Photo: A critically endangered Delta smelt (Hypomesus transpacificus) at the Center for Aquatic Biology and Aquaculture.
  • Photo: Red flanked lorikeet (Charmosyna placentis placentis) at Loro Parque Fundacion.
  • Photo: A male O'Shaughnessy's chameleon (Calumma oshaughnessyi) from a private collection in St. Augustine, Florida.
  • Photo: An endangered Von der Decken's sifaka, Propithecus deckenii, at Lemuria Land.
  • Picture of a slender madtom (Noturus exilis) at the Oklahoma City Zoo.
  • Photo: Ocean pout (Zoarces americanus) at Ripley's Aquarium of Canada.
  • A Mississippi mud turtle (Kinosternon subrubrum hippocrepis) at Millard's Turtle Farm, Birmingham, Iowa.
  • A monarch butterfly (Danaus plexippus megalippe) at the National Botanical Garden in Santo Domingo, Dominican Republic. This is a non-migratory subspecies.
  • Photo: Federally endangered Oasis Valley speckled dace (Rhinichthys osculus nevadensis) at Ash Meadows National Wildlife Refuge in NV.
  • Photo: A springbok (Antidorcas marsupialis) at Parco Natura Viva in Bussolengo, Italy.
  • Photo: Devils Hole warm spring riffle beetle (Stenelmis calida calida) at Ash Meadows National Wildlife Refuge in NV.
  • Photo: A male and female walking stick (Brasidas foveolatus) from the Plzen Zoo in the Czech Republic.
  • Picture of a white-lipped tamarin (Saguinus labiatus) at the John Ball Zoo.
  • Photo: Asian giant otter or smooth-coated otter (Lutrogale perspicillata) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.
  • A kit fox (Vulpes macrotis) named Frankie at The Living Desert in Palm Desert, California.
  • Photo: A black and red broadbill, Cymbirhynchus macrorhynchos malaccensis, at Penang Bird Park.
  • Picture of two red knobbed imperial pigeons (Ducula rubricera) at the Houston Zoo.
  • A black-capped lory (Lorius lory) at the Indianapolis Zoo.
  • Photo: An unknown species of sea star at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: A Eurasian goldfinch (Carduelis carduelis frigoris) at Zoo Plzeň.
  • Photo: A florida false coral (Ricordea florida) at the Auburn University Natural History Museum.
  • A Northern Appalachian brook trout (Salvelinus fontinalis) at the Tennessee Aquarium.
  • Picture of a Bobcat (Lynx rufus) named Keta at the Miller Park Zoo.
  • A cat-eyed snake (Leptodeira septentrionalis) at the Gladys Porter Zoo.
  • Picture of a green heron (Butorides virescens) at the Saint Louis Zoo.
  • Photo: A painted bronzeback (Dendrelaphis pictus) at the Plzen Zoo in the Czech Republic.
  • Photo: A small Indian kite (Milvus migrans govinda) from the Assam State Zoo.
  • Photo: An endangered male Persian fallow deer (Dama mesopotamica) at Tierpark Berlin.
  • Photo: A Rufous hornbill (Buceros hydrocorax mindanensis) at Jurong Bird Park.
  • Photo: A female critically endangered ray-finned fish species (Garra festai) at Zoo Plzeň.
  • Picture of a brown-throated sloth (Bradypus variegatus) at the PanAmerican Conservation Association in Gamboa, Panama.
  • Photo: A Collared Scops Owl (Otus lettia) at Angkor Centre for Conservation of Biodiversity (ACCB) in Cambodia.
  • Photo: Walking stick (Phaenopharos khaoyaiensis) at the Budapest Zoo.
  • Picture of endangered scaly-sided merganser ducks, Mergus squamatus, at Sylvan Heights Bird Park.
  • Photo: A giant zonosaur, Zonosaurus maximus, at Tsimbazaza Zoo.
  • Photo: A brambling (Fringilla montifringilla) at Centro Fauna Selvatica "Il Pettirosso".
  • Photo: Orange-crowned euphonia (Euphonia saturata) at the National Aviary of Colombia (Aviario Nacional de Colombia).
  • A diamondback water snake (Nerodia rhombifer rhombifer) at the Tulsa Zoo.
  • Photo: Massive starlet coral (Siderastrea siderea) at Mote Tropical Research Laboratory.
  • Smallmouth bass (Micropterus dolomieu) at the Genoa National Fish Hatchery.
  • Photo: Eurasian pond turtle (Mauremys rivulata) at the Plzen Zoo in the Czech Republic.
  • Picture of a cardinal shiner (Luxilus cardinalis) collected in Cherokee County, Oklahoma, at the Oklahoma City Zoo.
  • Eastern spadefoot toad (Scaphiopus holbrookii) at the Lowry Park Zoo in Tampa, FL.
  • Photo: Giant red tail gourami (Osphronemus laticlavius) at L'aquarium tropical du palais de la Porte DorŽe.
  • Photo: Limia dominicensis at Plzen Zoo in the Czech Republic.
  • An endangered Okinawa newt (Cynops ensicauda popei) at the Sedgwick County Zoo in Wichita, Kansas.
  • Photo: Common scaly-foot legless lizard (Pygopus lepidopodus) at Lilydale High School in Australia.
  • Photo: Oncilla (Leopardus tigrinus pardinoides) at Parque Jaime Duque near Bogota, Colombia.
  • Picture of a scaly-naped pigeon (Patagioenas squamosa) from a private collection in the Dominican Republic.
  • A tawny owl or brown owl (Strix aluco aluco) from the Budapest Zoo.
  • Photo: A female red grouse (Lagopus muticus scotica) at a private collection.
  • A spotfin shiner (Cyprinella spiloptera).
  • Photo: A disc coral (Turbinaria peltata) at the Akron Zoo. This species is listed as vulnerable by IUCN.
  • Photo: A Cameroon forest treefrog (Leptopelis brevirostris) from Bioko Island, Equatorial Guinea.
  • Photo: A male mindanao wrinkled hornbill, Rhabdotorrhinus leucocephalus, at Talarak Foundation.
  • Photo: Black rockfish (Sebastes melanops) at East Bay Regional Park District.
  • A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)
  • A Desert Iguana (Dipsosaurus dorsalis) at the Buffalo Zoo.
  • Photo: Himalayan brown bear (Ursus arctos isabellinus) at Himalayan Nature Park in Kufri.
  • Photo: A caterpillar from Bioko Island, Equatorial Guinea.
  • Photo: A rusty spotted genet (Genetta maculata) at the Avilon Zoo.
  • A vulnerable ornate monitor (Varanus ornatus) at the Cincinnati Zoo.
  • Picture of a red-eye wrasse aka Solorensis wrasse (Cirrhilabrus solorensis) at Nebraska Aquatic Supply.
  • Picture of an endangered Asian elephant (Elephas maximus).
  • Picture of a western mud snake (Farancia abacura reinwardtii) at the Oklahoma City Zoo.
  • Photo: Moluccan king parrot (Alisterus amboinensis buruensis) at Loro Parque Fundacion.
  • Photo: A critically endangered pinstripe menarambo or pinstripe damba (Paretroplus menarambo) at L'aquarium tropical du palais de la Porte DorŽe.
  • Picture of a West African lungfish (Protopterus annectens) at the Oklahoma City Zoo.
  • A red shiner (Cyprinella lutrensis).
  • Picture of a red-sided garter snake (Thamnophis sirtalis parietalis) at Reptile Gardens.
  • Photo: A snakehead fish (Channa argus) at the Virginia Aquarium.
  • Cape cobra (Naja nivea) at the LA Zoo.
  • Great Basin spadefoot toad (Spea intermontana) at the Arizona-Sonora Desert Museum.
  • Photo: A Madagascar night snake, Madagascarophis colubrinus, at Tsimbazaza Zoo.
  • A Honduran milk snake (Lampropeltis triangulum hondurensis) at the Sedgwick County Zoo.
  • Picture of a federally endangered, American alligator (Alligator mississippiensis) at the Kansas City Zoo.
  • Photo: A timber rattlesnake (Crotalus horridus horridus) at Reptile Gardens.
  • A bog turtle (Glyptemys muhlenbergii) an endangered (IUCN) and federally threatened species at the Atlanta Zoo.
  • Picture of a little lorikeet (Glossopsitta pusilla) at Healesville Sanctuary.
  • Photo: A male pileated parrot, Pionopsitta pileata, at Loro Parque Fundacion.
  • Photo: A female greater carpet chameleon (Furcifer major) at Zoopark Zajezd.
  • Photo: Smooth pimpleback (Cyclonaias houstonensis) from the Crustacean and Molluskan Ecology Lab at Auburn University.
  • Picture of an Eastern spot-billed duck (Anas zonorhyncha) at the Sylvan Heights Bird Park.
  • Blonde hognose snake (Leioheterodon modestus) at the Omaha Zoo.
  • A golden eagle (Aquila chrysaetos canadensis) named Bubba from Nebraska.
  • Picture of an emerald beetle (Smaragdestes orzini) at the Cincinnati Zoo.
  • An ornate diamondback terrapin (Malaclemys terrapin macrospilota) from the wild in Franklin County, FL.
  • Photo: A banded water snake (Nerodia fasciata fasciata) at Reptile Gardens.
  • Photo: Barred owl (Strix varia varia) at Monticello Center in Italy.
  • A vulnerable (IUCN) blotchside logperch (Percina burtoni) a very rare fish species at Conservation Fisheries, a native stream fish breeding center.
  • Picture of a long-toed lapwing (Vanellus crassirostris) at Sylvan Heights Bird Park.
  • Picture of a sarcastic fringehead fish (Neoclinus blanchardi) at the REEF, at the University of California, Santa Barbara.
  • Picture of a two-month old, federally endangered jaguar cub (Panthera onca) named Teiku at the Parque Zoologico Nacional in Santo Domingo, Dominican Republic.
  • Photo: Closed brain coral (Symphyllia) at the Loveland Living Planet Aquarium.
  • Picture of a vulnerable swan goose (Anser cygnoides) at the Miller Park Zoo.
  • Photo: Three juvenile eastern cottontail rabbits (Sylvilagus floridanus) at the Carolina Wildlife Center, a place that rescues and rehabilitates injured and orphaned wildlife.
  • Picture of a sulphur-crested cockatoo (Cacatua galerita).
  • Photo: Tokara habu pit viper (Protobothrops tokarensis) at the Saint Louis Zoo.
  • Photo: An endangered South Philippine hawk-eagle (Nisaetus pinskeri) at Eltoro Zoo de la Castellana, Inc., on Negros Island, Philippines.
  • Arabian oryx, Oryx leucoryx, at the Phoenix Zoo. This species is listed as vulnerable.
  • An endangered (IUCN) and federally endangered steller sea lion (Eumetopias jubatus) at Ocean Park in Hong Kong.
  • Photo: A plains spadefoot toad (Spea bombifrons) at UNL.
  • Photo: An Australian saurus crane (Grus antigone gillae) from a private collection in Choussy, France.
  • Photo: A lesser black-backed gull (Larus fuscus graellsii) at Hessilhead Wildlife Rescue.
  • Picture of a vulnerable South American red-footed tortoise (Geochelone carbonaria) at the Kansas City Zoo.
  • Photo: A Persian jird (Meriones persicus rossicus) at the Plzen Zoo.
  • A federally endangered timber wolf (Canis lupus) named Kenai at the New York State Zoo.
  • Photo: Trout-perch (Percopsis omiscomaycus) at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • Hourglass treefrog (Hyla ebracatta) at the Detroit Zoo.
  • A robber frog (Pristimantis species) near Limon, Ecuador.
  • A male (right) and female brown-headed cowbird (Molothrus ater) at the San Antonio Zoo.
  • Usambara golden starburst, or Usambara orange baboon, tarantula (Pterinochilus murinus) at the Great plains Zoo.
  • Photo: A green iguana (Iguana iguana) at the Kansas City Zoo.
  • Photo: Tidepool sculpin (Oligocottus maculosus) at Ripley's Aquarium of Canada.
  • A lake sturgeon (Acipenser fulvescens) at the Genoa National Fish Hatchery.
  • Photo: Shovelnose ray (Glaucostegus typus) at Shark Reef Aquarium.
  • A vulnerable (IUCN) and federally endangered clouded leopard (Neofelis nebulosa nebulosa) at the Houston Zoo.
  • Photo: Princess bee shrimp (paracaridina sp. hai-vai) from a private collection.
  • A robber frog (in the Craugastor punctariolus series) at the Panama Amphibian Rescue and Conservation Project. This is a project designed to establish captive breeding populations of frogs at risk of extinction from the frog-killing Chytrid fungus.
  • Mexican tiger rat snake (Spilotes pullatus mexicanus) at the Omaha Zoo.
  • Photo: A female cardinal lory (Chalcopsitta cardinalis) at the Cincinnati Zoo.
  • Northern leopard frog (Lithobates (Rana) pipiens) at the Toledo Zoo.
  • Picture of a yellow-backed oriole (Icterus chrysater) at the National Aviary of Colombia.
  • A California murre (Uria aalge californicus) egg from a collection at the University of Nebraska State Museum.
  • A banded leaf-toed gecko (Hemidactylus maculatus) from a private collection.
  • Picture of a vulnerable kea (Nestor notabilis) at the Sedgwick County Zoo, Wichita, Kansas.
  • Photo: A pair of Fischer's lovebirds, Agapornis fischeri.
  • Photo: Common sea star (Asterias rubens) at the Moscow Zoo.
  • A vulnerable (IUCN) and federally endangered Amercian crocodile (Crocodylus acutus) at the Omaha zoo.
  • Photo: A calico crab (Hepatus epheliticus) at Gulf Specimen Marine Lab and Aquarium.
  • A Schaus’ Swallowtail (Heraclides aristodemus ponceanus) at the McGuire Center for Lepidoptera and Biodiversity.
  • Photo: Virginia creeper sphinx (Darapsa myron) cocoon with parasitic wasp hatchlings on it at the McGuire Center in Gainesville, Florida.
  • Picture of a common raven (Corvus corax principalis) named Jake at the LA Zoo.
  • Photo: An American pika (Ochotona princeps) at Niwot Ridge LTER.
  • Picture of two lesser blue-eared glossy starlings (Lamprotornis chloropterus) at the Houston Zoo.
  • Picture of a diadem dottyback (Pictichromis diadema) at Pure Aquariums.
  • Photo: Red-spotted newt (Notophtalmus viridescens), in a juvenile or 'eft' stage, at Zoo Atlanta.
  • A Critically Endangered (IUCN) West Indian iguana (Iguana delicatissima) at the Detroit Zoo.
  • Picture of an endangered Meller's duck (Anas melleri) at the Sylvan Heights Bird Park.
  • Photo: Central California roach (Lavinia symmetricus symmetricus) at East Bay Regional Park District.
  • Photo: Common cuckoo (Cuculus canorus) from the Budapest Zoo.
  • Gopher frog (Lithobates capito) at the Lowry Park Zoo in Tampa, FL.
  • Photo: Himalayan brown bear (Ursus arctos isabellinus) at Himalayan Nature Park in Kufri, India.
  • An egg-eating snake (Dasypeltis scabra scabra) at Zoo Atlanta.
  • Picture of a common collared lizard (Crotaphytus collaris) at the Sedgwick County Zoo in Wichita, Kansas.
  • Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.
  • Photo: Redbloom tarantula (Pamphobeteus vespertinus) at the Toronto Zoo.
  • Picture of an Indian spot-billed duck (Anas poecilorhyncha poecilorhyncha) at Sylvan Heights Bird Park.
  • A Texas cave salamander (Eurycea neotenes) at the Detroit Zoo, Detroit, Michigan. (IUCN: Vulnerable)
  • Picture of a male Hamadryas baboon (Papio hamadryas) at Parque Jaime Duque near Bogota, Colombia.
  • A scarlet-fronted parakeet (Psittacara wagleri wagleri) at Parque Jaime Duque near Bogota, Colombia.
  • A great southern white butterfly (Ascia monuste) at the Lincoln Children's Zoo in Lincoln, Nebraska.
  • A pair of Australian rainbow lorikeets crossed with Forsten's lorikeets (Trichoglossus moluccanus x Trichoglossus forstenii) at the Indianapolis Zoo.
  • Photo: Ash Meadows speckled dace (Rhinichthys osculus nevadensis) at Ash Meadows National Wildlife Refuge near Pahrump, NV.
  • Photo: A bird perched on a Nikon D2X camera at a farm near Bennett, Nebraska.
  • Photo: Sanibel Island marsh rabbit (Sylvilagus palustris paludicola) from Sanibel Island.
  • A yellow-headed blackbird (Xanthocephalus xanthocephalus) at the Wildlife Center in Espanola, New Mexico.
  • Picture of a critically endangered male Delacour's langur (Trachypithecus delacouri) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam.
  • A blotched or banded tiger salamander (Ambystoma mavortium melanostictum) at the National Mississippi River Museum and Aquarium, Dubuque, Iowa.
  • Photo: A Negros scops owl (Otus nigrorum) at Negros Forest Park.
  • Photo: Arizona skunk (Mephitis mephitis estor) at Southwest Wildlife Conservation Center.
  • A male okapi (Okapia johnstoni.)
  • Photo: Brandt's cormorant (Phalacrocorax penicillatus) at International Bird Rescue Center.
  • Photo: Northern Plains ratsnake (Pantherophis emoryi) collected in Thayer County, Nebraska.
  • Solange, a federally endangered female pygmy rabbit (Brachylagus idahoensis). She was born in May of 2007. She is 81.5% Columbia Basin pygmy rabbit, and the rest is the Idaho race. Since there are no male Columbia Basin pygmy rabbits left, this means only animals intercrossed with the Idaho race will survive.
  • Photo: An endangered March's palm pitviper (Bothriechis marchi) at the London Zoo.
  • Critically endangered (IUCN) black and white ruffed lemur (Varecia variegata) at the Lincoln Children's Zoo.
  • Picture of White Cloud Mountain minnows (Tanichthys albonubes) at the Tulsa Zoo.
  • Photo: Eurasian sparrowhawk (Accipiter nisus) at the Budapest Zoo.
  • Picture of a blue spotted jawfish (Opistognathus rosenblatti) at Nebraska Aquatic Supply.
  • Photo: Signal crayfish (Pacifastacus leniusculus) at East Bay Regional Park District.
  • A broken striped newt (Notophthalmus viridescens dorsalis) at the North Carolina Zoo.
  • Photo: Red tailed amazon, Amazona brasiliensis, at Loro Parque Fundacion.
  • 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 bactrian camel, Camelus bactrianus, at the Lincoln Children's Zoo.
  • Picture of an endangered (IUCN) and federally endangered black-footed ferret (Mustela nigripes) at the Cheyenne Mountain Zoo.
  • Photo: An Asian golden cat (Catopuma temminckii temminckii) at a private collection in Jakarta, Indonesia.
  • Photo: Variegated grasshopper (Zonocerus variegatus) at the Budapest Zoo.
  • Photo: A dusky-legged guan (Penelope obscura bronzina) at BioParque do Rio.
  • 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.
  • Photo: Pale spear nosed bat (Phyllostomus discolor) at the Plzen Zoo in the Czech Republic.
  • Pronghorn antelope (Antilocapra americana americana) at the Great Plains Zoo.
  • Picture of a bicolored wren (Campylorhynchus griseus) at the National Aviary breeding center in Palmar, Colombia.
  • A juvenile red rat snake (Elaphe guttata) at the Archbold Biological Station.
  • Photo: A male Limia melanogaster at Plzen Zoo in the Czech Republic.
  • Sonoran mountain kingsnake (Lampropeltis pyromelana) at the Arizona-Sonora Desert Museum.
  • Picture of a federally endangered jaguar, Panthera onca, at the Omaha Henry Doorly Zoo.
  • Picture of a female silver-beaked tanager (Ramphocelus carbo) at the Tulsa Zoo.
  • A midwest worm snake (Carphophis amoenus helenae) from the Shawnee National Forest.
  • Photo: An eastern barred bandicoot (Perameles gunni) at the Melbourne Zoo.
  • Photo: Rams-horn snails (Planorbis sp.) at the Fish Conservation and Culture Lab near Byron, CA at UC Davis.
  • A rough-skinned newt (Taricha granulosa) at the Oregon Zoo.
  • Photo: Snails at the Arizona-Sonora Desert Museum in Tucson, AZ.
  • Photo: A red carnival crab (Geosesarma hagen) at Petra Aqua.
  • Photo: A northern water snake (Nerodia sipedon) from a private collection.
  • Picture of an oriental magpie robin (Copsychus saularis) at the Saint Louis Zoo.
  • Picture of an endangered (IUCN) and federally endangered black-footed ferret (Mustela nigripes) at the Cheyenne Mountain Zoo.
  • Photo: A porcupine puffer, Diodon hystrix, at Shark Reef Aquarium.
  • Photo: Jabiru stork (Jabiru mycteria) at the National Aviary of Colombia (Aviario Nacional de Colombia).
  • Photo: A collared kingfisher (Todiramphus chloris) at the Plzen Zoo.
  • Photo: A double-collared seedeater (Sporophila caerulescens yungae) at Museo De Historia Natural Alcide d'Orbigny, a natural history museum and rare amphibian breeding center in Chocabamba Bolivia.
  • An endangered woma python (Aspidites ramsayi) at Dreamworld.
  • Photo: Greater blue-eared starling (Lamprotornis chalybaeus) in Choussy, France.
  • Picture of a vulnerable insular blue crowned pigeon (Goura cristata minor) at Sylvan Heights Bird Park.
  • A variable seedeater (Sporophila corvina) at the Miller Park Zoo in Bloomington, Illinois.
  • Photo: South African ground squirrel (Xerus inauris) at the Plzen Zoo in the Czech Republic.
  • Picture of butterfly splitfins or butterfly goodeids (Ameca splendens) at the Denver Aquarium, Denver, Colorado. This species is considered extinct in the wild.
  • Photo: Common yeoman (Cirrochroa tyche) at ACCB in Siem Reap, Cambodia.
  • Picture of three vulnerable Cape vultures (Gyps coprotheres). This is the heaviest of the African vultures, with males reaching 16 lbs, and the females reaching 20 lbs. The male is darker and smallest, named Kruger, The largest is Motswari, she's the lightest; the third is Timbavati.
  • A Malaysian frilled tree frog (Rhacophorus appendiculatus) from a private collection.
  • Photo: Changeable hawk-eagle (Nisaetus cirrhatus limnaeetus) at ACCB in Siem Reap, Cambodia.
  • Picture of an endangered Eastern crested toad (Peltophryne fracta) at the Parque Zoologico Nacional in Santo Domingo, Dominican Republic.
  • Picture of a grizzly bear (Ursus arctos horribilis) at the Sedgwick County Zoo.
  • Photo: Dung beetle (Copris complexus) from the wild in Cameroon.
  • Photo: A female true silver pheasant (Lophura nycthemera nycthemera) from a private collection.
  • Photo: Black-collared hawk (Busarellus nigricollis) at the National Aviary of Colombia (Aviario Nacional de Colombia).
  • A narrow-bridged musk turtle (Claudius angustatus) at the Chapultepec Zoo in Mexico City.
  • A red legged frog (Rana aurora) at the Oregon Zoo.
  • Picture of a sunflower seastar (Pycnopodia helianthoides) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: Northern Spotted Owl (strix occidentalis caurina) at the University of California, Davis California Raptor Center.
  • A Wyoming toad (Anaxyrus baxteri or Bufo baxteri) at the Omaha Zoo. (IUCN: Extinct in the wild; US: Endangered)
  • Photo: A kaiser spotted newt (Neurergus kaiseri) from Conservation Fisheries.
  • Photo: Red-throated bee-eater (Merops bulocki) at the Oklahoma City 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 species 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 Yellow Fever mosquito (Aedes aegypti) at the Urban Entomology Lab at the University of Florida at Gainesville.
  • A blue jay (Cyanocitta cristata) at the School of Biological Sciences at the University of Nebraska-Lincoln.
  • Picture of a Bolivian gray titi (Callicebus donacophilus) named Beau at the Santa Barbara Zoo.
  • Photo: An Eastern Montpellier snake (Malpolon insignitus) at Prague Zoo.
  • Photo: A male yellowfin chalceus (Chalceus erythrurus) at the Dallas World Aquarium.
  • Photo: (Schistura yersini) at Zoo Negara.
  • A captive, five-month-old mandrill (Mandrillus sphinx) in Malabo, Equatorial Guinea. IUCN: Vulnerable
  • Picture of a Rio Grande siren (Siren intermedia) at the San Antonio Zoo.
  • Photo: Bronze featherback (Notopterus notopterus) at Zoo Negara.
  • Picture of a West African crocodile (Crocodylus suchus) at the St. Augustine Alligator Farm.
  • Photo: Red Helen butterfly (Papilio helenus) at the San Antonio Zoo.
  • A Magellanic penguin (Spheniscus magellanicus) at the Cincinnati Zoo.
  • A pallid bat (Antrozous pallidus) at the North Carolina Zoo, Asheboro, North Carolina.
  • Picture of a male dusky Canada goose, Branta canadensis occidentalis, at Sylvan Heights Bird Park.
  • Photo: Jamaican giant anole, Anolis garmani, at the Plzen Zoo.
  • Photo: A silver perch (Leiopotherapon plumbeus) at the University of the Philippines.
  • Photo: A scorpion mud turtle (Kinosternon scorpiodes) at the Chapultepec Zoo in Mexico City.
  • A stonecat (Noturus flavus) at Gavins Point National Fish Hatchery and Aquarium.
  • Picture of a banded dwarf cichlid (Apistogramma bitaeniata) at Pure Aquariums.
  • A pied imperial pigeon (Ducula bicolor) at Zoo Atlanta.
  • A wolf spider (Hogna osceola) at the Archbold Biological Station.
  • A vulnerable sarus crane (Grus antigone) at the Cheyenne Mountain Zoo in Colorado Springs, CO.
  • A federally endangered Mexican gray wolf (Canis lupus baileyi) at the Wild Canid Survival and Research Center.
  • Photo: Metallic starlings (Aplonis metallica) at the San Antonio Zoo
  • Photo: A New Caledonia giant gecko (Rhacodactylus leachianus) at Reptile Gardens.
  • Photo: Yellow canary (Serinus flaviventris) in Santa Cruz, Tenerife, Spain.
  • Photo: A blue-tailed monitor (Varanus doreanus) in Jakarta, Indonesia in the care of PT. Alam Nusantara Jayatama.
  • Photo: A male guiña (Leopardus guigna guigna) from Fauna Andina in central-south Chile.
  • Photo: An Ozark hellbender (Cryptobranchus alleganiensis bishopi) at the St. Louis Zoo. This facility is famous for rearing hellbenders, but also for studying cures for chytrid (bd) fungus and other threats.
  • A white-necked myna (Streptocitta albicollis) at the Houston Zoo.
  • Photo: A rodent native to the cloud forest.
  • Photo: Gila longfin dace, Agosia chrysogaster chrysogaster, at the Aquatic Research and Conservation Center.
  • Picture of a northern pintail (Anas acuta) at the Sylvan Heights Bird Park.
  • A brown anole (Anolis sagrei) from Cape Canaveral Florida.
  • Cave ratsnake (Elaphe taeniura ridleyi) at the Omaha Zoo.
  • Photo: Two Balsas splitfins (Ilyodon whitei) at Zoo Plzeň.
  • Photo: A female crimson crested woodpecker (Campephilus melanoleucos) at the National Aviary of Colombia.
  • Picture of a vulnerable (IUCN) and federally endangered Hamilton's pond turtle (Geoclemys hamiltonii) at the Assam State Zoo cum Botanical Garden.
  • Picture of a vulnerable Indian peacock softshell turtle (Nilssonia hurum) at the Gharial and Turtle Rehabilitation Center.
  • Picture of a brown rockfish (Sebastes auriculatus) at the REEF, at the University of California, Santa Barbara.
  • Photo: Collared tree lizard (Plica plica) at the London Zoo.
  • A blue spotted tree monitor (Varanus macraei) at the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Western long-nosed snake (Rhinocheilus lecontei), claris (clear) phase, at the Arizona-Sonora Desert Museum.
  • Photo: Garden slug (Arion hortensis) wild caught in Boise, Idaho
  • Photo: Imperial green pigeon (Ducula aenea) at Kamla Nehru Zoological Garden, Ahmedabad, India.
  • Photo: A burrowing owl (Athene cunicularia) at the Denver Zoo.
  • A mallard (Anas platyrhynchos) duckling.
  • Arabian oryx, Oryx leucoryx, at the Phoenix Zoo. This species is listed as vulnerable.
  • A vulnerable (IUCN) ashy darter (Etheostoma cinereum), a very rare fish species with a shrinking range in TN and VA, at Conservation Fisheries, a native stream fish breeding center. This fish should be listed as endangered but hasn't been due to lack of lack of funding and little survey work to determine just how imperiled it is.
  • A swift fox (Vulpes velox) at the Columbus Zoo.
  • A centipede on Bioko Island, Equatorial Guinea.
  • Photo: A queen long-legged desert ant (Aphaenogaster cockerelli) at Butterfly Pavilion in Westminster, Colorado.
  • A vulnerable Parker's golden frog (Mantella pulchra) from the Plzen Zoo in the Czech Republic.
  • A male common grackle (Quiscalus quiscula) at the San Antonio Zoo.
  • Picture of a Cuban slider (Trachemys decussata) at the National Botanical Garden in Santo Domingo, Dominican Republic.
  • A banded rubber frog (Phrynomantis bifasciatus) at Reptile Gardens.
  • Picture of Zelda, a two-year-old bar-pouched wreathed hornbill (Rhyticeros undulatus) at Tracy Aviary.
  • Picture of a male katydid (Chloroscirtus discocercus), which was caught in the wild in Gamboa, Panama.
  • Picture of a ferruginous duck (Aythya nyroca) at the Palm Beach Zoo.
  • Picture of a federally threatened spectacled Eider (Somateria fischeri) at the Cincinnati Zoo.
  • Photo: Predaceous diving beetle (Cybister fimbriolatus) at the Bugarium at the Albuquerque BioPark.
  • Picture of a female fringe-lipped bat (Trachops cirrhosus) from the wild in Gamboa, Panama.
  • Photo: An acacia rat (Thallomys loringi) at the Prague Zoo.
  • Picture of a Panamanian night monkey (Aotus zonalis) at the Nispero Zoo.
  • Photo: A female mosquito (Culex tarsalis) engorged with blood near Crosslake, Minnesota.
  • Picture of a black swallowtail butterfly (Papilio polyxenes).
  • An endangered Malayan tiger, Panthera tigris jacksoni, at the Omaha Zoo.
  • Picture of a white-eared bulbul (Pycnonotus leucotis leucotis) at the Saint Louis Zoo.
  • An Argentine black and white tegu (Tupinambis merianae) at the Sedgwick County Zoo in Wichita, Kansas.
  • Photo: Piebald shrew (Diplomesodon pulchellum) at the Moscow Zoo.
  • A northern spring salamander (Gyrinophilus porphyriticus) from a private collection.
  • Photo: Northern straight-mouth nase or Douro nase, (Pseudochondrostoma duriense) at the Environmental Education Center of the Ribeiras de Gaia.
  • Photo: Texas fawnsfoot (Truncilla macrodon) from the Crustacean and Molluskan Ecology Lab at Auburn University.
  • A critically endangered (IUCN) and federally endangered Philippine crocodile (Crocodylus mindorensis) at the Gladys Porter Zoo.
  • Photo: African wildcat (Felis silvestris ocreata) at the Moscow Zoo.
  • Picture of a male and female Himalayan Monal (Lophophorus impejanus) at the Santa Barbara Zoo.
  • Photo: Water scorpion (Laccotrephes sp.) at the Singapore Zoo.
  • A lesser flamingo (Phoeniconaias minor) at the Cleveland Metroparks Zoo.
  • Light phase or albino red-backed poison frog (Ranitomeya reticulata) from a private collection.
  • Picture of a lion's mane nudibranch (Melibe leonina) at the Alaska SeaLife Center.
  • Picture of a sugar glider (Petaurus breviceps).
  • Photo: Endangered Florida perforate cladonia (Cladonia perforata) at the Archbold Biological Station, Venus, Florida.
  • A female yellow-throated vireo (Vireo flavifrons) at the Brown Ranch, Texas.
  • Photo: A single-wattled cassowary (Casuarius unappendiculatus unappendiculatus) at Davao Crocodile Park.
  • A Masai giraffe (Giraffa camelopardalis tippelskirchi) at the Houston Zoo.
  • Photo: Elephant-eared chameleon (Calumma brevicornis) near Lemuria Land, Madagascar.
  • A sturgeon chub (Macrhybopsis gelida).
  • Photo: Banded gila monster (Heloderma suspectum cinctum) at the Woodland Park Zoo.
  • Malaysian horned leaf frog (Megophrys nasuta) from a private collection.
  • Four-striped grass mouse (Rhabdomys pumilio) at the Plzen Zoo in the Czech Republic.
  • Photo: A critically endangered juvenile southern river terrapin (Batagur affinis affinis) at the Singapore Zoo.
  • Photo: A common bronzewing (Phaps chalcoptera) at the Prague Zoo.
  • Photo: Short-snouted seahorse (Hippocampus hippocampus) at the Lisbon Aquarium.
  • Eastern plains garter snake (Thamnophis radix) at the Cleveland Metroparks Zoo.
  • Photo: A northern water snake (Nerodia sipedon) from a private collection.
  • Picture of a vulnerable white-crowned pigeon (Patagioenas leucocephala) from a private collection in the Dominican Republic.
  • Photo: A Andaman day gecko (Phelsuma andamanense) at the Plzen Zoo in the Czech Republic.
  • A Nile soft shell turtle (Trionyx triunguis) at the Omaha zoo.
  • A green tree frog (Hyla cinerea) at the Rolling Hills zoo.
  • An endangered (IUCN) and federally endangered African wild dog (Lycaon pictus) at the Omaha Zoo.
  • Photo: Moustached parakeet (Psittacula alexandri abbotti) at Loro Parque Fundacion.
  • A western ribbon snake (Thamnophis proximus proximus) from the Shawnee National Forest.
  • Photo: Pygmy lizard (Cophotis ceylanica) at Urban Ark Conservation
  • Photo: Broad River Stream crayfish, Cambarus lenati, at the Crayfish lab in West Liberty University in West Liberty, WV. This specimen is from Broad River, NC.
  • Photo: A rusty-tipped page (Siproeta epaphus) at the Omaha Zoo.
  • Photo: Sea cucumber (Holothuroidea) at the Loveland Living Planet Aquarium.
  • A male (left) and female brown-headed cowbird (Molothrus ater) at the San Antonio Zoo.
  • A groundhog (Marmota monax).
  • Photo: A lesser black-backed gull (Larus fuscus graellsii) at Hessilhead Wildlife Rescue.
  • Texas brown snake (Storeria dekayi texana) collected in Sarpy County, NE.
  • Picture of an Ida's miter (Mitra idea) at the REEF, at the University of California, Santa Barbara.
  • A Sahara spiny-tailed lizard (Uromastyx geyri) at Rolling Hills Wildlife Adventure near Salina, Kansas.
  • An Ozark zigzag salamander (Plethodon angusticlavius) at Missouri State University, Springfield, Missouri.
  • Picture of a Marigold lorikeet (Trichoglossus capistratus) named Linguini at the Dallas Zoo.
  • A two-week-old, critically endangered (IUCN) Arakan forest turtle (Heosemys depressa) at Zoo Atlanta.
  • Photo: Screaming piha (Lipaugus vociferans) at the Dallas World Aquarium.
  • Photo: Swamp cavy or greater Guinea pig (Cavia magna) at the Plzen Zoo in the Czech Republic.
  • Photo: Yellow bullhead (Ameiurus natalis) at the Albuquerque BioPark Aquarium.
  • Photo: A red Texas harvester ant (Pogonomyrmex barbatus) at the Dallas Zoo.
  • Photo: A golden-handed tamarin (Saguinus midas) at the Miller Park Zoo.
  • Photo: A Mexican flameknee tarantula (Brachypelma auratum) at the Safari Land Pet Store.
  • Picture of an endangered (IUCN) and federally endangered, male red-billed curassow (Crax blumenbachii) at Sylvan Heights Bird Park.
  • Whitetail shiner (Cyprinella galactura) at Conservation Fisheries, a native stream fish breeding center. This is a common species of stream fish that's being used for mussel propagation work.
  • Photo: An unidentified species of luzon freshwater crab at the University of the Philippines.
  • A vulnerable Swainson's toucan (Ramphastos ambiguus swainsonii) at the Omaha Henry Doorly Zoo, in Omaha, Nebraska.
  • An endangered (IUCN) and federally endangered red-crowned crane (Grus japonensis) at the Kansas City Zoo.
  • A bull trout (Salvelinus confluentus) from Bighorn Creek, part of the Kootenay River system. (IUCN: Vulnerable; US: Federally threatened)
  • Picture of a serval (Leptailurus serval) at the Denver zoo.
  • Photo: A Hielscher's day gecko (Phelsuma hielscheri) at the Plzen Zoo.
  • Photo: Plumbeous kite (Ictinia plumbea) at Parque Jaime Duque near Bogota, Colombia.
  • A boxelder bug (Boisea trivittata).
  • Photo: A Northern Philippine eagle-owl (Bubo philippensis philippensis) at the Avilon Zoo. This species is listed as vulnerable on the IUCN red list.
  • Photo: Mustard hill coral (Porites astreoides) at Mote Tropical Research Laboratory.
  • Photo: Augustine, a mother koala with her young ones Gus and Rupert (one is adopted and one is her own offspring) at the Australia Zoo Wildlife Hospital.
  • Photo: Two Namibian web-footed geckos (Pachydactylus vanzyli) from a private collection.
  • Photo: Two Elliot’s groove-throated chameleons (Trioceros ellioti) at Zoopark Zajezd.
  • Picture of a vulnerable (IUCN) and federally threatened Florida scrub jay (Aphelocoma coerulescens).
  • Photo: Brazilian blue and red tarantula (Avicularia geroldi) at the Bugarium at the Albuquerque BioPark.
  • A federally endangered Mexican gray wolf (Canis lupus baileyi) at the Wild Canid Survival and Research Center.
  • Guatemalan beaded lizard (Heloderma horridum charlesbogerti) at Zoo Atlanta. This is believed to be the rarest lizard in the world, with a possible wild population of six animals and fewer than 20 in captivity.
  • Photo: A ravine trapdoor spider (Cyclocosmia truncata) at the Auburn University Natural History Museum.
  • Photo: In an effort to raise awareness about the extinction crisis, Photo Ark images and video are displayed in Times Square, NYC.
  • Phanocles sp “Costa Rica"   This species is new to science.
  • An ocelot (Leopardus pardalis) at the Omaha Zoo.
  • Photo: A female Colombian red Howler Monkey (Alouatta seniculus seniculus) at Cafam Zoo in Melgar, Colombia.
  • Picture of a European herring gull (Larus argentatus) in third year plumage at the Virginia Aquarium.
  • A red-billed blue magpie (Urocissa erythrorhyncha erythrorhyncha) at the Houston Zoo.
  • A mata mata turtle (Chelus fimbriatus) at Zoo Atlanta.
  • Picture of a Madagascar or Malagasy leaf-nosed snake (Langaha madagascariensis) at the Houston Zoo.
  • Photo: An ovenbird (Seiurus aurocapilla) at the Marathon Wild Bird Center in Marathon, Florida.
  • Photo: A fire skink (Lepidothyris fernandi) at Prague Zoo.
  • Photo: A venomous Jameson's mamba (Dendroaspis jamesoni) at Reptile Gardens.
  • A federally threatened Northern spotted owl (Strix occidentalis caurina) named Opal.
  • Portrait of male and female northern bobwhite quail (Colinus virginianus).
  • Photo: An endangered timneh parrot (Psittacus timneh) at the Jurong Bird Park.
  • Picture of a common genet (Genetta genetta) at the Conservators center.
  • Photo: A Gunnison's prairie dog (Cynomys gunnisoni) at Liberty Wildlife.
  • Photo: BauerÕs chameleon gecko (Eurydactylodes agricolae) at the Plzen Zoo in the Czech Republic.
  • Photo: European bee-eater (Merops apiaster) from the Budapest Zoo.
  • A Great Plains garter snake (Thamnophis radix) at Reptile Gardens.
  • Photo: A BedriagaÕs wonder gecko (Teratoscincus bedriagai) from a private collection.
  • Photo: A red zebra cichlid (Maylandia estherae) from a private collection.
  • A great grey owl (Strix nebulosa nebulosa) at the New York State Zoo.
  • 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.
  • Solange, a federally endangered female pygmy rabbit (Brachylagus idahoensis). She was born in May of 2007. She is 81.5% Columbia Basin pygmy rabbit, and the rest is the Idaho race. Since there are no male Columbia Basin pygmy rabbits left, this means only animals intercrossed with the Idaho race will survive.
  • A critically endangered (IUCN) and federally endangered, juvenile Jamaican boa (Chilabothrus subflavus) from a private collection. The adults are yellow.
  • Picture of a juvenile swamp wallaby (Wallabia bicolor) at the Healesville Sanctuary.
  • A chaco tortoise (Chelonoidis petersi) at Zoo Atlanta.
  • Photo: Green grass lizard (Takydromus smaragdinus) at Wroclaw Zoo.
  • Staff members at the Loggerhead Marinelife Center care for ‘Meghan’ an olive ridley sea turtle (Lepidochelys olivacea). This animal came in after becoming entangled in fishing gear. Once rehabbed, the animal will be released in waters off the coast.
  • Photo: Blue tilapia or Israeli tilapia (Oreochromis aureus) covered with parasitic hookworms at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.
  • Picture of a Peninsula cooter (Pseudemys peninsularis) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: A male blue-frosted banner (Catonophele numilia esite) in Gamboa, Panama.
  • A long-eared owl (Asio otus tuftsi) at The Wildlife Center in Espanola, NM.
  • Photo: A Linda's treefrog (Hyloscirtus lindae) at Balsa de los Sapos.
  • Madagascar glass frog (Boophis luteus) from a private collection.
  • A near threatened four-lined ratsnake (Elaphe quatuorlineata quatuorlineata) at the Rome Zoo.
  • Photo: An endangered gray woolly monkey (Lagothrix cana) at Mantenedor da Fauna Silvestre Cariuá.
  • Photo: A liger, Panthera leo x Panthera tigris, at Taman Safari in Bogor, West Java, Indonesia.
  • Photo: A female cardinal lory (Chalcopsitta cardinalis) at the Cincinnati Zoo.
  • A bush hyrax (Heterohyrax brucei brucei) at the Plzen Zoo in the Czech Republic.
  • Photo: A tarantula (Pseudhapalopus spinulopalpus) from a private collection.
  • Photo: An eastern screech owl, (Megascopes asio), at a raptor recovery center near Lincoln, NE.
  • Photo: A male versicoloured barbet (Eubucco versicolor) at the Dallas World Aquarium.
  • Photo: A jewel cichlid (Hemichromis bimaculatus) at the Singapore Zoo.
  • Photo: Moluccan king parrot, Alisterus amboinensis buruensis, at Loro Parque Fundacion.
  • Photo: A common Suriname toad (Pipa pipa) at Centro Jambatu in Quito, Ecuador.
  • Picture of a bateleur eagle (Terathopius ecaudatus) at the Houston Zoo.
  • Photo: A female and male purple honeycreeper (Cyanerpes caeruleus) at the Nashville Zoo.
  • Picture of an Orinoco goose (Neochen jubata) at the Dallas World Aquarium.
  • Photo: Brown necked parrots (Poicephalus fuscicollis fuscicollis) at Loro Parque Fundacion.
  • Photo: A Chaco horned frog (Chacophrys pierottii) at Wroclaw Zoo.
  • A western scrub jay (Aphelocoma californica) at Wildlife Images, a rehabilitation center near Merlin, OR.
  • Photo: Yucatan box turtle (Terrapene carolina yucatana) at the Oklahoma City Zoo.
  • Photo: A spectacled cobra (naja naja) at Reptile Gardens.
  • Picture of an endangered New Zealand kaka (Nestor meridionalis septentrionalis) at the Wellington Zoo.
  • Picture of a male surf scoter (Melanitta perspicillata) at Patuxent Wildlife Research Center.
  • Photo: An East African spiny-tailed lizard (Cordylus jonesi) at the Plzen Zoo in the Czech Republic.
  • Photo: Gigi, a two-week-old Japanese macaque or snow monkey, 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.
  • A red-sided curly-tailed lizard (Leiocephalus schreibersii) at the Houston Zoo.
  • Photo: Staghorn coral (Acropora youngei) at Loro Parque's aquarium in Puerto de la Cruz, Tenerife, Spain
  • Photo: Snubnose darter (Etheostoma simoterum) at Conservation Fisheries.
  • Photo: A fledgling European barn owl (Tyto alba guttata) from the Plzen Zoo in the Czech Republic.
  • Photo: An Amazonian monkey frog (Cruziohyla craspedopus) at Centro Jambatu in Quito, Ecuador.
  • A dusky pygmy rattlesnake (Sistrurus malarius barbouri) at Reptile Gardens.
  • 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: An endangered four-eyed turtle (Sacalia quadriocellata) at the Tennessee Aquarium.
  • Photo: A juvenile tropical kingbird (Tyrannus melancholicus melancholicus) at the Membeca Lagos Farm, near Rio de Janeiro, Brazil.
  • Photo: A ornate chorus frog (Pseudacris ornata) at the Auburn University Natural History Museum.
  • Photo: Kiang (Equus kiang) at Prague Zoo.
  • Photo: Zimbabwe girdled lizard (Cordylus rhodesianus) at the Phoenix Zoo.
  • Photo: A rock squirrel (Otospermophilus variegatus) at the Austin Wildlife Rescue.
  • Picture of a tropical screech owl (Megascops choliba luctisomus) at the Summit Municipal Park in Gamboa, Panama.
  • Photo: A vulnerable red eared guenon (Cercopithecus erythrotis) at Limbe Wildlife Center, a rescue and rehab center for wildlife in Limbe, Cameroon.
  • Photo: A James's flamingo (Phoenicoparrus jamesi) at the Zoo Berlin.
  • Picture of a warpaint shiner (Luxilus coccogenis) at the Virginia Aquarium.
  • Photo: Seminole killifish (Fundulus seminolis) at Welaka National Fish Hatchery Aquarium.
  • Picture of a diablito, also known as a little devil poison frog (Oophaga sylvatica) El Pangan, Colombia locality, from a private collection.
  • A vulnerable Sonoyta mud turtle (Kinosternon sonoriense longifemorale) at the Phoenix Zoo.
  • Photo: An Australian big-headed, Emydura australis, at the Sedgwick County Zoo.
  • Photo: Eighteen-scaled worm (Halosydna brevisetosa) at the Trinity Western University.
  • Photo: Striped flying barb (Esomus metallicus) at Zoo Negara.
  • Photo: A rock eagle-owl (Bubo bengalensis) at the Plzen Zoo in the Czech Republic.
  • Photo: A Tristram's jird (Meriones tristrami) at the Plzen Zoo.
  • A Baird's patchnose snake, Salvadora bairdi.
  • A South Georgia king penguins, Aptenodytes patagonicus patagonicus.
  • Photo: Desert kissing bug (Triatoma rubida) at the Arizona-Sonora Desert Museum.
  • Photo: Australian owlet nightjar (Aegotheles cristatus) at Moonlit Sanctuary
  • Photo: Larvae of a dobsonfly (Corydalus cornutus) at Conservation Fisheries.
  • Photo: Alabama mini crayfish, unidentified species, from a private collection.
  • Photo: Flathead eel catfish (Gymnallabes typus) at L'aquarium tropical du palais de la Porte DorŽe.
  • Photo: Asterina starfish (Asterina sp.) at the Moscow Zoo.
  • Picture of a Yuman fringe-toed lizard (Uma rufopunctata) at Omaha's Henry Doorly Zoo.
  • Photo: A desert woodrat (Neotoma lepida) at California Science Center in Los Angeles, California.
  • A critically endangered Axolotl (Ambystoma mexicanum) at the Detroit Zoo, Detroit, Michigan.
  • Photo: Scaly sand darter (Ammocrypta vivax) at Conservation Fisheries.
  • Photo: Cliff, a male Rocky Mountain bighorn sheep (Ovis canadensis canadensis) at the Denver Zoo.
  • Picture of two federally endangered Florida leafwing butterflies (Anaea troglodyta floridalis) at the McGuire Center for Lepidoptera and Biodiversity.
  • Photo: An unidentified lobophylia coral (Lobophylia sp.) at the Akron Zoo.
  • Photo: A cecropia moth (Hyalaophora cecropia).
  • American painted lady (Vanessa virginiensis) from a prairie woodland near Cross Lake, Minnesota.
  • A white peacock butterfly (Anartia jatrophae) at the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Black hawk-eagle or tyrant hawk-eagle (Spizaetus tyrannus) at Parque Jaime Duque near Bogota, Colombia.
  • A critically endangered (IUCN) and federally endangered radiated tortoise (Astrochelys radiata) at the Miller Park Zoo in Bloomington, Illinois.
  • Picture of an oiled California gull (Larus californicus) with a broken wing in a splint at the Santa Barbara Wildlife Care Network.
  • A katydid/grasshopper that has adapted to mimic foliage on Bioko Island, Equatorial Guinea.
  • Picture of a Hispaniola cat-eyed snake (Hypsirhynchus ferox) at the Parque Zoologico Nacional in Santo Domingo, Dominican Republic.
  • Photo: A Mexican mojave rattlesnake (Crotalus scutellatus salvinii) at Reptile Gardens.
  • Picture of a hairy sea cucumber (Sclerodactyla briareus) at Gulf Specimen Marine Lab and Aquarium.
  • A short-toed snake eagle (Circaetus gallicus gallicus) at Parque Biologico in Vila Nova de Gaia, Porto, Portugal.
  • Photo: Indian rat snake, Ptyas mucosus, at the Assam State Zoo in Guwahati, Assam, India.
  • Photo: A female Jackson's chameleon or Jackson's three-horned chameleon (Trioceros jacksonii) at the Miller Park Zoo in Bloomington, IL.
  • Photo: A female critically endangered ray-finned fish species (Garra festai) at Zoo Plzeň.
  • Photo: A three-spot demon fish (Satanoperca daemon) at the Dallas World Aquarium.
  • Picture of a crane hawk (Geranospiza caerulescens) at the PanAmerican Conservation Association in Gamboa, Panama.
  • Photo: Springer damsel (Chrysiptera springeri) photographed at Downtown Aquarium in Denver, Colorado.
  • Photo: Orange flower sponge (Agelas sp.) at Butterfly Pavilion.
  • A scarlet-fronted parakeet (Psittacara wagleri wagleri) at Parque Jaime Duque near Bogota, Colombia.
  • Picture of a male canvasback duck (Aythya valisineria) at the John Ball Zoo in Grand Rapids, Michigan.
  • Photo: A red junglefowl (Gallus gallus gallus) at the Plzen Zoo.
  • Photo: Walking stick (Trachyaretaon echinatus) from the Plzen Zoo in the Czech Republic.
  • Photo: From the United Nations premier of Racing Extinction, featuring Photo Ark images.
  • Arabian oryx, Oryx leucoryx, at the Phoenix Zoo. This species is listed as vulnerable.
  • Photo: Anatolian viper (Vipera albizona) at the St. Louis Zoo.
  • Photo: A ring-headed dwarf snake (Eirenis modestus) at Zoopark Zajezd.
  • Photo: A Chukar partridge (Alectoris chukar cypriotes) at the Plzen Zoo.
  • Photo: Otto catfish (Otocinclus affinis) from a private collection.
  • Photo: A big-headed turtle (Platysternon megacephalum shiui) from Asia at the Sedgwick County Zoo.
  • Picture of a tocuyo sparrow (Arremonops tocuyensis) at the National Aviary of Colombia.
  • A spotted salamander (Ambystoma maculatum) at Zoo Atlanta, Atlanta, Georgia.
  • Photo: A tricolor or phantasmal dart frog (Epipediobates tricolor). The photo was taken at the National Aquarium in Baltimore.
  • Photo: A California red-shouldered hawk (Buteo lineatus elegans) at the Avian Biodiversity Center.
  • Photo: Ten different lorikeet species and subspecies from the genus Tricholglossus, at Loro Parque Fundacion.
  • A vulnerable (IUCN) and federally endangered California tiger salamander (Ambystoma californiense) at the Fresno Cahffee Zoo, Fresno, California.
  • Ouachita madtoms (Noturus lachneri) at Conservation Fisheries, a native stream fish breeding center in Knoxville. This is a rare stream fish that has a limited range in Arkansas and is listed as endangered on the IUCN Red List, but it still isn’t listed under the ESA.
  • Picture of a queen butterfly (Danaus gilippus) at the Minnesota Zoo.
  • Photo: Horned screamer (Anhima cornuta) at the National Aviary of Colombia.
  • A reunion Island day gecko (Phelsuma borbonica borbonica) at the Henry Doorly Zoo and Aquarium.
  • A giant panda (Ailuropoda melanoleuca) at Zoo Atlanta. This endangered (IUCN) and federally endangered species is native to China.
  • Photo: Palawan binturong (Arctictis binturong whitei) at the Nashville Zoo.
  • Photo: Common emigrant or lemon emigrant (Catopsilia pomona) at Melbourne Zoo.
  • Arizona black rattlesnake (Crotalus oreganus cerberus).
  • A beaded lizard (Heloderma horridum exasperatum) at Reptile Gardens.
  • Photo: Yellow-banded pipefish (Doryrhamphus pessuliferus) at Ripley's Aquarium of Canada.
  • Photo: A South American barn owl (Tyto alba tuidara) at Fundacao Jardim Zoologico de Brasilia.
  • Photo: Collared owlet (Glaucidium brodiei) at Night Safari, part of Wildlife Reserves Singapore.
  • Picture of a horseshoe crab (Limulus polyphemus) that came in to spawn along the New Jersey shore's Delaware Bay.
  • Photo: Plum faced lorikeet (Oreopsittacus arfaki major) at Loro Parque Fundacion.
  • Photo: South Morocco spur thighed tortoise (Testudo graeca soussensis) at the Plzen Zoo in the Czech Republic.
  • A helmeted turtle (Pelomedusa subrufa) at the Detroit Zoo.
  • Photo: An endangered Decary's leaf chameleon (Brookesia decaryi) from a private collection.
  • A two-headed yellow-belied slider (Trachemys scripta scripta) at Riverbanks Zoo.
  • Photo: Cherry barb (Puntius titteya) at L'aquarium tropical du palais de la Porte DorŽe.
  • Major Mitchell's Cockatoo (Lophochroa leadbeateri) also known as Leadbeater's cockatoo or pink cockatoo, at Parrots in Paradise, a bird attraction in Glass House Mountains, Queensland.
  • Photo: A female desert bighorn sheep (Ovis canadensis nelsoni) at the Arizona-Sonora Desert Museum in Tucson, AZ.
  • Arabian oryx, Oryx leucoryx, at the Phoenix Zoo. This species is listed as vulnerable.
  • Photo: A tufted guineafowl (Numida meleagris mitratus) at PBZT, the Parc Botanique Et Zoologique de Tsimbazaza.
  • A Tennessee cave salamander (Gyrinophilus palleucus) at the Tennessee Aquarium, Tennessee. (IUCN: Vulnerable)
  • Photo: A juvenile Rosenberg gladiator frog (Hypsiboas rosenbergi) at Centro Jambatu in Quito, Ecuador.
  • Bornean eared frog (Polypedates otilophus) at the National Aquarium in Baltimore.
  • A critically endangered (IUCN) and federally threatened Puerto Rican crested toad (Peltophryne lemur) at the Omaha zoo.
  • Photo: An Oriental pied hornbill (Anthracoceros albirostris convexus) at the Jurong Bird Park.
  • Frog eyed or common wonder gecko (Teratoscincus rustamovi) at the Plzen Zoo.
  • Picture of an opossum (Didelphis virginiana) with babies.
  • Photo: A red-billed parrot, Pionus sordidus corallinus, at Loro Parque Fundacion.
  • Photo: A blue-tailed monitor (Varanus doreanus) in Jakarta, Indonesia in the care of PT. Alam Nusantara Jayatama.
  • Photo: A golden thread turtle, Ocadia sinensis, at the Sedgwick County Zoo.
  • Photo: A dead leopard frog that had been hit and killed on the highway near Watertown, NY.
  • A cave salamander (Eurycea lucifuga) at Zoo Atlanta, Atlanta, Georgia.
  • Photo: A Cordillera central tree frog (Hyloscirtus larinopygion) at Balsa de los Sapos.
  • Photo: Tasmanian yellow tailed black cockatoo (Calyptorhynchus funereus xanthanotus) at Loro Parque Fundacion.
  • Picture of an orange-breasted waxbill (Amandava subflava) from a private collection.
  • Glass frog (Cochranella euknemos) at the National Aquarium in Baltimore.
  • Photo: A Banded knob-tailed gecko (Nephrurus wheeleri wheeleri) from a private collection.
  • Cobalt morph of a dyeing poison frog (Dendrobates tinctorius) from a private collection.
  • Western black-chested buzzard-eagle (Geranoaetus melanoleucus australis) at Parque Jaime Duque near Bogota, Colombia.
  • Photo: An eastern diamondback rattlesnake (Crotalus adamanteus) at Reptile Gardens.
  • A vulnerable Mexican caecilian (Dermophis mexicanus) at the Tennessee Aquarium.
  • Picture of a common brown lemur (Eulemur fulvus) at Omaha's Henry Doorly Zoo and Aquarium.
  • A Calabar python (Calabaria reinhardtii) at the Columbus Zoo.
  • 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 venomous Rhombic night adder (Causus rhombeatus) at the Sedgwick County Zoo in Wichita, Kansas.
  • A satanic leaf-tailed gecko (Uroplatus phantasticus) at the Houston Zoo, Houston, Texas. (IUCN: Vulnerable)
  • Photo: A common Monkey Lizard (Polychrus marmoratus) at the National Aquarium, Baltimore.
  • Photo: A western red-billed hornbill (Tockus erythrorhynchus kempi) at Sylvan Heights Bird Park in Scotland Neck, North Carolina.
  • Photo: A male Nepal kalij pheasant (Lophura leucomelanos leucomelanos) at Penang Bird Park.
  • Collared peccaries (Pecari tajacu) at the Lee G. Simmons Conservation Park and Wildlife Safari.
  • An ashy-faced owl (Tyto glaucops glaucops) at Parque Zoologico Nacional, the zoo in Santo Domingo, Dominican Republic.
  • Photo: Midget faded rattlesnake (Crotalus oreganus concolor) at the Arizona-Sonora Desert Museum.
  • Photo: Red-winged starling (Onychognathus morio) in Choussy, France.
  • Photo: A female Crawfurd's kalij pheasant (Lophura leucomelanos crawfurdi) at a private collection.
  • Photo: A Weber's lorikeet or leaf lorikeet (Trichoglossus weberi) at the Houston Zoo.
  • Goldstripe darter (Etheostoma parvipinne) at Conservation Fisheries, a native stream fish breeding center in Knoxville. This fish is not listed. Little is known about it.
  • Photo: Skimmer dragonfly (Sympetrum sp.) at Monticello Center in Italy.
  • Photo: A Rufous hornbill (Buceros hydrocorax mindanensis) at Jurong Bird Park.
  • Photo: Red lory (Eos bornea) at Loro Parque Fundacion.
  • A western painted turtle (Chrysemys picta) at the Oregon Zoo.
  • A Calabar python (Calabaria reinhardtii) at the Columbus Zoo, Columbus, Ohio.
  • A federally endangered Karner blue butterfly larva, Lycaeides melissa samuelis.
  • Photo: Black-crested finch (Lophospingus pusillus) in Santa Cruz, Tenerife, Spain.
  • Picture of a mole crab (Emerita talpoida) at Pure Aquariums from the Gulf Specimen Marine Lab.
  • Photo: Black agouti (Dasyprocta fuliginosa) at Parque Jaime Duque near Bogota, Colombia.
  • Photo: A female Mindanao wrinkled hornbill, Rhabdotorrhinus leucocephalus, at Talarak Foundation.
  • Picture of a desert lancehead (Bothrops pictus) at the Dallas Zoo.
  • Photo: An endangered Italian asp viper (Vipera aspis francisciredi) at Reptiland in Riva del Garda Italy.
  • Photo: A Giant malay fruit bat (Pteropus vampyrus lanensis) at Negros Forest Park.
  • Photo: Red swamp crayfish (Procambarus clarkii) at the Woodland Park Zoo.
  • Angola colobus monkeys (Colobus angolensis palliates) at the Omaha Zoo.
  • Photo: Caama hartebeest (Alcelaphus caama) at Wroclaw Zoo.
  • Picture of a platypus (Ornithorhynchus anatinus) at the Healesville Wildlife Sanctuary.
  • Photo: Small Indian civet (Viverricula indica) at the Assam State Zoo in Guwahati, Assam, India.
  • Photo: Hybrid spider monkey (Ateles belzebuth and Ateles geoffroyi) at the Wellington Zoo.
  • Photo: Ocean pout (Zoarces americanus) at Ripley's Aquarium of Canada.
  • Photo: Tiger huntsman (Typostola sp.) from the Melbourne Museum
  • Photo: Cabezon (Scorpaenichthys marmoratus) at the Alaska SeaLife Center in Seward, AK.
  • Picture of a tenrec (Echinops telfairi) at the Lincoln Children's Zoo.
  • An African sacred ibis (Threskiornis aethiopicus) at the Columbus Zoo.
  • The abdomen of a banded garden spider (Agriope trifasciata) found at Spring Creek Prairie near Denton, Nebraska.
  • Picture of Johnny the serval (Leptailurus serval) at the Lincoln Children's Zoo.
  • Western cottonmouth (Agkistrodon piscivorous leucostoma) at the Tulsa Zoo.
  • Picture of a sharp-winged teal (Anas flavirostris oxyptera) at the Caldwell Zoo in Tyler, Texas.
  • Photo: Tanzanian pink legged millipede (Dendrostreptus macracanthus) at the Budapest Zoo.
  • Photo: A male long-wattled umbrellabird (Cephalopterus penduliger) at the Dallas World Aquarium.
  • Photo: Zookeepers with a vulnerable red-legged kittiwake (Rissa brevirostris) at the Alaska SeaLife Center.
  • Photo: White-spotted longhorn beetle (Batocera hector) at the Insectarium in New Orleans.
  • Picture of a Ross's goose (Chen rossii) at Sylvan Heights Bird Park.
  • Photo: Purple bellied lory (Lorius hypoinochrous devittatus) at Loro Parque Fundacion.
  • 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 Sharp-nosed crab or long-armed crab (Scyra acutifrons) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: A rainbow shiner (Notropis chrosomus) at Fish Biodiversity Lab, Auburn University, Auburn, Alabama.
  • Yonahlossee salamander (Plethodon yonahlossee) at the Tennessee Aquarium.
  • Photo: Slipper coral (Polyphyllia sp.) at Butterfly Pavilion.
  • Picture of a russet angelfish (Centropyge potteri) at Pure Aquariums.
  • Photo: A spotted kestrel (Falco moluccensis microbalius) at Taman Safari.
  • A panamint rattlesnake (Crotalus mitchellii stephensi) at The Living Desert in Palm Desert, California.
  • Photo: A male elongate hatchetfish (Triportheus elongatus) at the Dallas World Aquarium.
  • Photo: A common pipistrelle (Pipistrellus pipistrellus) at Parque Biologico.
  • Picture of a red-capped cardinal (Paroaria gularis) at the Tulsa Zoo.
  • Photo: Brushpalm crayfish (Procambarus pubischelae) from the wild.
  • Picture of a Madagascar tree boa (Sanzinia madagascariensis) at the Dallas World Aquarium.
  • Photo: A black capped lory (Lorius lory salvadorii) at Loro Parque Fundacion.
  • Iberian scops owl (Otus scops mallorca) at Parque Biologico in Vila Nova de Gaia, Porto, Portugal.
  • Photo: A whiskered bat, Myotis mystacinus, at Wildwood Trust near Canterbury, England.
  • Picture of a male canvasback duck (Aythya valisineria) at the John Ball Zoo in Grand Rapids, Michigan.
  • A 10-year-old Schmidt's guenon (Cercopithecus ascanius schmidti) at Zoo Atlanta. This animal's name is Jasiri or J.J.. He is very protective, fun and is the most curious of any monkey at the zoo. Jasiri is really smart and likes to train with his keepers. He enjoys eating peanuts, grapes and craisins.
  • European white stork (Ciconia ciconia ciconia) at the Lincoln Children's 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: Critically endangered Kurdistan spotted newt (Neurergus microspilotus) at Wroclaw Zoo.
  • Photo: Two critically endangered Madagascar pochard, Aythya innotata, at the Pochard Captive Breeding Center in Antsohihy, Madagascar.
  • Photo: Black rockfish (Sebastes melanops) at East Bay Regional Park District.
  • A red salamander (Pseudotriton ruber) at Zoo Atlanta, Atlanta, Georgia.
  • A Mexican pine snake (Pituophis deppei) at the Chapultepec Zoo, Mexico City, Mexico.
  • Blanding's turtle (Emydoidea blandingii) at the Toledo Zoo.
  • Photo: A Tug Valley crayfish, Cambarus hatfieldi, wild caught near West Liberty, West Virginia.
  • Photo: A female eastern towee (Pipilo erythrophthalmus erythrophthalmus) at Rum River Central Park.
  • Picture of an endangered white fronted capuchin (Cebus versicolor) at the Summit Municipal Park in Gamboa, Panama.
  • Photo: A juvenile Gray's leaf insect (Phyllium bioculatum) at the Moscow Zoo.
  • Photo: Eurasian hawk owl (Surnia ulula ulula) at Wroclaw Zoo.
  • Picture of a rusty-margined guan (Penelope superciliaris) at the Parque Zoologico Nacional in Santo Domingo, Dominican Republic.
  • Photo: A pale headed rosella (Platycercus adscitus) at the Jurong Bird Park.
  • Photo: A male Mishmi takin (Budorcas taxicolor) at the Prague Zoo. This species is listed as vulnerable on the IUCN Red List.
  • Photo: A booted eagle (Hieraaetus pennatus) at Sia, the Comanche Nation Ethno-Ornithological Initiative.
  • Picture of a Great Basin gopher snake (Pituophis catenifer deserticola) at the Toronto Zoo.
  • Photo: A krait (Bungarus sindonus sindonus) at Reptile Gardens.
  • Photo: A female Usambara three-horned chameleon (Trioceros deremensis) from a private collection.
  • Photo: A male reticulated siren (Siren reticulata) at Joe Budd Wildlife Management Area near Quincy, FL.
  • A South American great horned owl (Bubo virginianus nacurutu) at Parque Jaime Duque near Bogota, Colombia.
  • A boat-billed heron (Cochlearius cochlearius phillipsi) at the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Granular toad (Rhinella granulosa) at the El Valle Amphibian Conservation Center (EVACC).
  • Photo: European crayfish (Astacus astacus) at Alpenzoo in Innsbruck, Austria.
  • Balkan wall lizard (Podarcis tauricus) at Wroclaw Zoo.
  • An African clawed frog (Silurana tropicalis) from Bioko Island, Equatorial Guinea.
  • Picture of a vulnerable Kea (Nestor notabilis) at the Sedgwick County Zoo in Wichita, Kansas.
  • Festive Amazon (Amazona bodini) at Parque Jaime Duque near Bogota, Colombia.
  • Photo: A pair of critically endangered Titicaca water frogs (Telmatobius culeus) at Museo d'Orbigny in Cochabamba Bolivia.
  • Photo: A black-bellied plover or grey plover (Pluvialis squatarola), in winter plumage, at the Marathon Wild Bird Center in Marathon, Florida.
  • Manchado, a Mexican spotted owl (Strix occidentalis lucida) at The Wildlife Center in Espanola, New Mexico.
  • Photo: Blue flash (Thorichthys aureus) at L'aquarium tropical du palais de la Porte DorŽe.
  • Photo: A velvet swimcrab (Necora puber) at the Littoral Station of Aguda, Portugal.
  • A marginated tortoise (Testudo marginata) at the Gladys Porter Zoo.
  • Picture of a European pond turtle (Emys orbicularis) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: A green whip snake (Hierophis carbonarius) at Reptiland in Riva del Garda Italy.
  • A Desert Iguana (Dipsosaurus dorsalis) at the Buffalo Zoo.
  • Marbled newt (Triturus marmoratus) shot at Conservation Fisheries, a breeding center for rare native stream fish.
  • Photo: A male tiger swallowtail butterfly, Papilio glaucas.
  • A southern three-banded armadillo (Tolypeutes matacus) at the Lincoln Children's Zoo, Lincoln, Nebraska. (IUCN: Near Threatened)
  • A small milkweed bug (Lygaeus kalmii).
  • Photo: A female Western bluebill (Spermophaga haematina) from a private collection in St. Augustine, Florida.
  • Picture of a black skimmer (Rynchops niger) named Boris at the Buttonwood Park Zoo in New Bedford, Massachusetts.
  • Picture of Kambo, a red-crested turaco (Tauraco erythrolophus), at Tracy Aviary.
  • Photo: A Western Javan langur (Trachypithecus auratus mauritius) at Taman Safari in Bogor, West Java, Indonesia.
  • Photo: A male red-handed howler monkey (Alouatta belzebul) at Fundacao Jardim Zoologico de Brasilia.
  • Federally endangered peregrine falcon (Falco peregrinus) from the Aleutian Islands at the Alaska Zoo.
  • A mata mata turtle (Chelus fimbriatus) at Zoo Atlanta.
  • Picture of a jacky dragon (Amphibolurus muricatus) at the Healesville Sanctuary.
  • Photo: Pistol shrimp (Alpheus) at the Loveland Living Planet Aquarium.
  • Photo: A ferruginous hawk (Buteo regalis) at the Sutton Avian Research Center.
  • Picture of two African spoonbills (Platalea alba) at the Houston Zoo.
  • Photo: Red apple crab (Sesarma bidens) from a private collection.
  • Wulfing’s stick insect (Acrophylla wuelfingi) at the Wild Life Sydney Zoo."
  • Photo: Cooper creek turtle (Emydura macquarii emmotti) at Templestowe College
  • A short-tailed hawk (Buteo brachyurus) at the Audubon Center for Birds of Prey.
  • A White's tree frog (Pelodryas caerulea) at the Rolling Hills Wildlife Adventure.
  • A critically endangered (IUCN) and federally endangered hawksbill turtle (Eretmochelys imbricata) at the XCaret Resort in Mexico.
  • Australian shelducks (Tadorna tadornoides) at the Kansas City Zoo.
  • Picture of Argentine red shovelers (Anas platalea) at the Sylvan Heights Bird Park.
  • A muscovy duck named Joelle (Cairina moschata moschata) at the Gladys Porter Zoo in Brownsville, Texas.
  • Picture of a brown pelican (Pelecanus occidentalis) at the Gladys Porter Zoo in Brownsville, Texas.
  • A vulnerable pygmy slow loris (Nycticebus pygmaeus) at Omaha's Henry Doorly Zoo and Aquarium, Omaha, Nebraska.
  • Photo: An Eurasian eagle owl (Bubo bubo sibiricus) at Parco Natura Viva in Bussolengo, Italy.
  • Photo: An American kestrel (Falco sparvarius paulus) at the Audubon Center for Birds of Prey.
  • A Giant snake-necked turtle (Chelodina expansa) at the Australia Zoo Wildlife Hospital.
  • Photo: Devil crayfish (Cambarus diogenes) from the wild.
  • Picture of a juvenile common or European starling (Sturnus vulgaris) at the Wildlife Center of Silicon Valley.
  • A fantail pigeon (Columba livia) from the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Indian wolf (Canis lupus pallipes) at the Singapore Zoo.
  • Photo: An Atlantic salmon (Salmo salar) at the Maine State Aquarium in West Boothbay, ME. This species is listed as vulnerable by IUCN.
  • Picture of a Hawaiian short-eared owl (Asio flammeus sandwichensis) at the LA Zoo.
  • Photo: A darkling beetle (Blaps mortisaga) at the Plzen Zoo in the Czech Republic.
  • Photo: An endangered mountain tapir (Tapirus pinchaque) at the LA Zoo.
  • A reindeer (Rangifer tarandus) at the Miller Park Zoo in Bloomington, Illinois.
  • Photo: A common pipistrelle (Pipistrellus pipistrellus) at Parque Biologico.
  • Picture of an endangered white-fronted quail-dove (Geotrygon leucometopia) from a private collection in the Dominican Republic.
  • Photo: Redear sunfish (Lepomis microlophus) at the Loveland Living Planet Aquarium.
  • Two eyelash frogs or Solomon island leaf frogs (Ceratobatrachus guentheri) at Omaha's Henry Doorly Zoo.
  • Critically endangered (IUCN) lemur leaf frogs (Hylomantis lemur), from the Panama, population, at Zoo Atlanta. This male and female frog are in amplexus, a state in which the male latches onto the female prior to egg laying and fertilization.
  • Photo: A female black vasa, Coracopsis nigra nigra, at Loro Parque Fundacion.
  • Photo: A daddy longleg spider near Crosslake, MN.
  • Photo: A male black-casqued wattled hornbill (Ceratogymna atrata) at the Avian Biodiversity Center.
  • Photo: A Guangdong frog (Hylarana macrodactyla) caught in the wild in Cambodia.
  • Photo: Gaboon forest frog (Scotobleps gabonicus) near Manjo, Cameroon.
  • Photo: Joel Sartore photographs jaguarundi at Bear Creek Feline Center.
  • A Norhayati's flying frog (Rhacophorus norhayatii) from a private collection.
  • A diamond python (Morelia spilota spilota) at the Gladys Porter Zoo in Brownsville, Texas.
  • Picture of an endangered white-tailed black cockatoo (Calyptorhynchus baudinii) at the Lowry Park Zoo.
  • Green frog (Rana clamitans) at the Toledo Zoo.
  • Photo: An endangered thick-billed parrot (Rhynchopsitta pachyrhyncha) at World Bird Sanctuary.
  • Picture of an ocellated turkey (Meleagris ocellata) at the Dallas World Aquarium.
  • Picture of a Eurasian wigeon (Anas penelope) at Sylvan Heights Bird Park.
  • A cat-eyed snake (Leptodeira septentrionalis) at the Gladys Porter Zoo.
  • A white-fronted capuchin (Cebus albifrons) at the Omaha Henry Doorly Zoo and Aquarium.
  • Photo: Alpine field mouse (Apodemus alpicola) at the Plzen Zoo in the Czech Republic.
  • Hourglass treefrog (Hyla ebracatta) at the Detroit Zoo.
  • A critically endangered (IUCN) and federally endangered Philippine crocodile (Crocodylus mindorensis) at the Gladys Porter Zoo.
  • Photo: Griffin mantis (Polyspilota griffinii) at the Bugarium at the Albuquerque BioPark.
  • Photo: An unidentified shield bug (Eurydema sp.) at the Museo d'Orbigny Natural History Museum in Cochabamba, Bolivia.
  • Photo: Slender crayfish, Faxonius cf. compressus, at the Crayfish lab in West Liberty University in West Liberty, WV. This specimen is from the Buffalo River, TN.
  • Photo: Spotted puffer (Tetraodon fluviatilis) at the Oklahoma City Zoo.
  • Mexican dumpy treefrog (Pachymedusa dacnicolor) at the National Aquarium in Baltimore.
  • Picture of a silk worm (Bombyx mori) cocoon with dead pupa.
  • Picture of a Rio Grande siren (Siren intermedia) at the San Antonio Zoo.
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