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 42,535-picture Photo Ark for an animal or species. Scroll down to see every species in the Ark … if you’ve got all day.

  • 13,000 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: A blue tailed day gecko (Phelsuma cepediana) at the Plzen Zoo.
  • Photo: A female common goldeneye (Bucephala clangula clangula) at Lundi Farm in Verl, Germany.
  • A black-throated monitor (Varanus albigularis ionidesi) at the Kansas City Zoo.
  • A school of flame chubs (Hemitremia flammea) at Conservation Fisheries in Knoxville, Tennessee.
  • Photo: An Eastern screech owl (Megascops asio naevius) at the Carolina Waterfowl Rescue.
  • A Florida kingsnake (Lampropeltis getula floridana) at Santa Fe Community College Teaching Zoo.
  • Photo: Palawan hornbill (Anthracoceros marchei) at Wroclaw Zoo. This species is listed as vulnerable according to IUCN.
  • Picture of a vulnerable (IUCN) and federally endangered Hamilton pond turtle (Geoclemys hamiltonii) at the Lowry Park Zoo in Tampa, FL.
  • A prairie vole (Microtus ochrogaster ochrogaster), wild caught in Lincoln, Nebraska.
  • A Northern crescent butterfly (Phyciodes cocyta) from a prairie near Cross Lake, Minnesota.
  • Photo: A critically endangered Pindu (Stomatepia pindu) at L'aquarium tropical du palais de la Porte DorŽe.
  • Portrait of a white pelican (Pelecanus erythrorhynchos).
  • Photo: Aquatic beetle (Tropisternus lateralis) at Cedar Point Biological Station.
  • Photo: A proboscis monkey (Nasalis larvatus) at the Singapore Zoo.
  • Photo: A monacled cobra (Naga kauthia) at Reptile Gardens.
  • Photo: A marsh tchagra (Bocagia minuta anchietae) at a field museum in Gorongosa National Park.
  • A portrait of a great horned owl (Bubo virginianus subarcticus).
  • A picture of a blue-headed vireo (Vireo solitarius solitarius) at the Wildlife Rehab Center of Minnesota.
  • A picture of a Belize yellow-headed amazon (Amazona oratrix belizensis) at Loro Parque Fundacion.
  • A Rosenberg's lorikeet (Trichoglossus rosenbergii) at the Indianapolis Zoo.
  • Photo: A Gudalupe stick insect (Lamponius guerini) from the North Florida Wildlife Center.
  • Photo: Jeweled flower mantis or Indian flower mantis (Creobroter gemmatus) at the Budapest Zoo.
  • Photo: A female Kirghiz pheasant (Phasianus colchicus mongolicus) at the Plzen Zoo.
  • A vulnerable (IUCN) and federally endangered Boulder darter (Etheostoma wapiti) at Conservation Fisheries.
  • Photo: A black phantom tetra (Hyphessobrycon megalopterus) at the Singapore Zoo's River Safari area.
  • A buffy fish owl (Ketupa ketupu ketupu) at River Safari, Singapore.
  • Picture of a western mud snake (Farancia abacura reinwardtii) at the Oklahoma City Zoo.
  • Picture of a federally threatened, Canada lynx (Lynx canadensis) named Yukon at the Point Defiance Zoo.
  • An endangered (IUCN) relict leopard frog (Lithobates onca) caught near the Hoover Dam. This animal's habitat has been reduced over the years substantially. Though it is a candidate species for federal protection, federal and state agencies are working to ensure that it doesn't need to be listed.
  • Photo: A Southern Brazilian ocelot (Leopardus pardalis mitis) from the Zoológico Nacional de Chile (Chilean National Zoo), Santiago, Chile.
  • Picture of a fiery-billed aracari (Pteroglossus frantzii) at the Dallas World Aquarium.
  • Photo: An Adelie penguin (Pygoscelis adeliae) at the Faunia zoo in Madrid, Spain.
  • A sturgeon chub (Macrhybopsis gelida) at the Nebraska Game & Parks Commission, Nebraska.
  • Photo: Depression crayfish, Cambarus rusticiformis, at the Crayfish lab in West Liberty University in West Liberty, WV. This specimen is from the Cumberland River, TN.
  • Great Plains narrow-mouthed toad (Gastrophryne olivacea) at the Arizona-Sonora Desert Museum.
  • Photo: A taxidermy mount of Martha, the last passenger pigeon (Ectopistes migratorius). She died in 1913 at the Cincinnati Zoo, and with that, her species became extinct.
  • 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.
  • Photo: A Vietnamese magnolia snail (Bertia mongoliensis) at the Zoological Society of London.
  • Photo: A red hake (Urophycis chuss) at the Maine State Aquarium in West Boothbay, ME.
  • Photo: Balcones barking frog (Craugastor augusti latrans) from the private collection in San Antonio.
  • A giant horned lizard (Phrynosoma asio) at the LA Zoo.
  • Photo: A variable hawk (Buteo polyosoma fjeldsai) at Parque Zoológico Huachipa in Lima, Peru.
  • A puna ibis (Plegadis ridgwayi) at the Sedgwick County Zoo in Wichita, Kansas.
  • Photo: A metallic pigeon (Columba vitiensis griseogularis) at the Plzen Zoo in the Czech Republic.
  • A picture of a El Muerto Island rattlesnake (Crotalus muertensis) at the Arizona-Sonora Desert Museum.
  • Picture of an undescribed harlequin frog (Atelopus species) from Suriname.
  • Picture of pink-eared ducks, Malacorhynchus membranaceus, at Sylvan Heights Bird Park.
  • Picture of Australian finches from Plzen Zoo in the Czech Republic.
  • Photo: A great crested flycatcher (Myiarchus crinitus) from a bird banding banding study near Hudson, Wisconsin.
  • Photo: A female Eurasian golden oriole (Oriolus oriolus) from the Budapest Zoo.
  • Photo: South African ground squirrel (Xerus inauris) at the Plzen Zoo in the Czech Republic.
  • Photo: A blue ridge coral (Heliopora coerulea) at the Butterfly Pavilion.
  • Photo: A southern flying squirrel (Glaucomys volans) at Nebraska Wildlife Rehab.
  • A desert grassland whiptail (Cnemidophorus or Aspidoscelis uniparens) at the Buffalo Zoo.
  • A critically endangered Costa Rican variable harlequin toad (Atelopus varius) at the El Valle Amphibian Conservation Center (EVACC). This species is highly endangered and is found very little in the wild. The female is yellow and much larger than the male.
  • Photo: A cattail toothpick grasshopper (Leptysma marginicollis) at Kissimmee Prairie Preserve State Park, Florida.
  • A cicada killer (Sphecius speciosus) at the Audubon Insectarium in New Orleans. This is a species of digger wasp.
  • Photo: Tubenose Poacher (Pallasina barbata) at the Alaska SeaLife Center in Seward, AK.
  • Photo: Cross jelly hydromedusa (Nemopsis bachei) from Gulf Specimen Marine Laboratories.
  • Picture of a bull elk with his antlers in velvet (Cervus canadensis) at the Oklahoma City Zoo.
  • A vulnerable Indian Sarus crane (Grus antigone antigone) named Ramani, meaning 'beautiful girl' in Indian.
  • Photo: A black-tailed monitor (Varanus tristis tristis) at the Fort Wayne Children’s Zoo in. Fort Wayne, Indiana.
  • Photo: A male lubber grasshopper (Brachystola magna) at Cedar Point Biological Station.
  • Three-toed box turtle (Terrapene carolina triunguis) at the Sedwick County Zoo.
  • Photo: Northern pike (Esox lucius) at the University Lab at the University of Minnesota in St. Paul.
  • Photo: A male bushpig, Potamochoerus larvatus, at Tsimbazaza Zoo.
  • Photo: Kokanee salmon (Oncorhynchus nerka) photographed at Downtown Aquarium in Denver, Colorado.
  • Picture of butterfly splitfins or butterfly goodeids (Ameca splendens) at the Denver Aquarium, Denver, Colorado. This species is considered extinct in the wild.
  • Picture of a Cereopsis or Cape Barren goose (Cereopsis novaehollandiae) at the Gladys Porter Zoo in Brownsville, Texas.
  • Picture of a rufous rat-kangaroo named Shorty (Aepyprymnus rufescens) at the Wild Life Sydney Zoo.
  • Photo: A giant Cortez hawkfish (Cirrhitus rivulatus) at the Downtown Aquarium in Denver, Colorado.
  • Picture of two New Zealand kakas (Nestor meridionalis septentrionalis) at the Auckland Zoo. This species is listed as endangered by IUCN.
  • Picture of an Australian brush-turkey (Alectura lathami) at Sylvan Heights Bird Park.
  • Picture of a vulnerable Hispaniolan or Haitian slider turtle (Trachemys decorata) at the Bermuda Aquarium, Museum and Zoo.
  • Photo: Taiwan Giant Grass Mantis (Mesopteryx alata) at the Budapest Zoo.
  • Spotless stout newt (Pachytriton labiatus) at the Tennessee Aquarium.
  • Osage copperhead (Agkistrodon contortrix phaeogaster) at the Tulsa Zoo.
  • Photo: A two spot crayfish, Cambarus graysoni, wild caught near West Liberty, West Virginia.
  • Giant swallowtail butterfly (Papilio cresphontes) a native to Nebraska, at the Lincoln Children's Zoo.
  • A red fox (Vulpes vulpes vulpes) at Nebraska Wildlife Rehab.
  • Photo: Arctic cookie star, Ceramaster arcticus, at the Alaska SeaLife Center.
  • Picture of an eastern meadowlark (Sturnella magna) from Kissimmee Prairie Preserve State Park.
  • A Japanese giant salamander (Andrias japonicus) at the San Antonio Zoo, San Antonio, Texas. (IUCN: Near Threatened)
  • Photo: White-fronted woodpecker (Melanerpes cactorum) in Choussy, France.
  • Photo: A silver carp (Hypophthalmichthys molitrix) at the Schramm Education Center near Gretna, NE.
  • Picture of an endangered (IUCN) and federally endangered horned guan (Oreophasis derbianus) at the Saint Louis Zoo.
  • Photo: A red serow (Capricornis rubidus) at the Assam State Zoo cum Botanical Garden.
  • A Brazilian porcupine (Coendou prehensilis) named Sharpita at Tampa's Lowry Park Zoo.
  • Twin spot rattlesnake (Crotalus pricei) at the Fresno Chaffe Zoo.
  • Photo: A green twinspot (Mandingoa nitidula) at the Zoo Berlin.
  • Barking treefrog (Hyla gratiosa) at the National Aquarium in Baltimore.
  • Photo: A Somali grass rat (Arvicanthis neumanni) at the Plzen Zoo in the Czech Republic.
  • Photo: Four-spotted skimmer (Libellula quadrimaculata) at the Trinity Western University.
  • Photo: Two black-headed ducks (Heteronetta atricapilla) at WWT Slimbridge in England.
  • Photo: A Pacific walrus (Odobenus rosmarus divergens) named 'Dozer' at SeaWorld in San Diego.
  • A colony of strawberry corallimorpharian (Corynactis californica) at Omaha’s Henry Doorly Zoo and Aquarium.
  • Delalande's gecko (Tarentola delalandii) at Wroclaw Zoo.
  • Picture of a mountain pitviper (Ovophis monticola monticola) at the Saint Louis Zoo.
  • Photo: Two green-and-black poison dart frogs (Dendrobates auratus) at Josh’s Frogs in Owosso, Michigan.
  • Photo: A crested bobwhite (Colinus cristatus parvicristatus) at the National Aviary of Colombia.
  • Photo: A female Kordofan aoudad (Ammotragus lervia) at the San Diego Zoo Safari Park in Escondido, California.
  • Picture of a king vulture (Sarcoramphus papa) from the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: An orange-bellied fruit dove (Ptilinopus iozonus humeralis) at the Zoo Berlin.
  • Photo: A Cascabel rattlesnake (Crotalus durissus durissus) at the Kentucky Reptile Zoo in Slade, Kentucky.
  • Spiny-headed treefrog (Anotheca spinosa) from central America at Zoo Atlanta.
  • Photo: A male golden skiffia, or golden sawfin (Skiffia francesae) at Denver Zoo. This fish is extinct in the wild according to IUCN.
  • A painted wood turtle (Rhinoclemmys pulcherrima) at the Lincoln Children's Zoo, Lincoln, Nebraska.
  • Photo: A fat tailed dwarf lemur (Cheirogaleus medius) at the Plzen Zoo.
  • A harlequin frog (Atelopes varius) at the Omaha Zoo. This species, from Panama, is now thought to be extinct in the wild. With only 300 or so in captivity, it is thought to be one of the rarest amphibians in the world.
  • Photo: A knobby cactus coral (Mycetophyllia aliciae) at Riverbanks Zoo and Garden.
  • Photo: A finescale dace (Chrosomus neogaeus) photographed at Schramm Education Center, Gretna, Nebraska.
  • Photo: A South American barn owl (Tyto alba tuidara) at Fundacao Jardim Zoologico de Brasilia.
  • Eastern spadefoot toad (Scaphiopus holbrookii) at the Lowry Park Zoo in Tampa, FL.
  • An Espada's marsupial frog (Gastrotheca testudinea) at Pontificia Universidad Católica del Ecuador.
  • A flying fox fish (Epalzeorhynchos kalopterus) at Conservation Fisheries in Knoxville, Tennessee.
  • Photo: A pigeon mountain salamander (Plethodon petraeus) at the Amphibian Foundation.
  • An endangered Coquerel's sifaka (Propithecus coquereli) at the Houston Zoo.
  • Western screech owl (Megascops (Otus) kennicottii) at the Denver Zoo.
  • Picture of a mother and daughter Ord's kangaroo rat (Dipodomys ordii) at the Fort Worth Zoo.
  • Picture of a panther chameleon (Furcifer pardalis) at the Lincoln Children's Zoo.
  • Photo: Snowy-crowned robin-chat (Cossypha niveicapilla) at the Oklahoma City Zoo.
  • Photo: Raddei vole (Lasiopodomys raddei) at the A.N. Severtsov Institute of Ecology and Evolution Russian Academy of Science.
  • Picture of a Delacour's crested fireback pheasant (Lophura ignita macartneyi) at Pheasant Heaven, a private pheasant breeding center near Clinton, NC.
  • Picture of a nocturnal curassow (Nothocrax urumutum) at the Dallas World Aquarium.
  • Topeka shiners (Notropis topeka) at the University of Kansas Field Station. (US: Endangered)
  • Photo: Prairie kingsnake (Lampropeltis calligaster calligaster) collected in Pawnee County, Nebraska.
  • Photo: A black and red broadbill, Cymbirhynchus macrorhynchos malaccensis, at Penang Bird Park.
  • Photo: A fox squirrel, Sciurus niger.
  • A picture of a haplochromine cichlid (Melanochromis auratus) from a private collection.
  • Photo: An inland taipan (Oxyranus microlepidotus) at Reptile Gardens.
  • A Western European hedgehog (Erinaceus europaeus) at Centro Fauna Selvatica “Il Pettirosso”.
  • Photo: A golden capped conure (Aratinga auricapillus) at the Jurong Bird Park.
  • Tiger-striped treefrog (Phyllomedusa tomopterna) at the National Aquarium in Baltimore.
  • An endangered red-line torpedo barb (Sahyadria denisonii) at Pure Aquariums.
  • A southern two-lined salamander (Eurycea cirrigera) at the Riverbanks Zoo, Columbia, South Carolina.
  • A picture of an Egyptian Sundevall’s jird (Meriones crassus) from the Egypt population at the Plzen Zoo.
  • Photo: A ripsaw catfish (Oxydoras niger) at the Oklahoma City Zoo.
  • Photo: An azure jay (Cyanocorax coeruleus) at BioParque do Rio.
  • Photo: A mole crab (Emerita talpoida) at Gulf Specimen Marine Lab and Aquarium.
  • A tortoise beetle (Aspidomorpha citrina) in Gorongosa National Park. These beetles feed on leaves, and their larvae have an interesting habit of camouflaging themselves with their own feces.
  • Picture of dwarf hermit crabs (Pagurus longicarpus) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: Red tailed Amazon, Amazona brasiliensis, at Loro Parque Fundacion.
  • A black-throated monitor (Varanus albigularis ionidesi) at the Kansas City Zoo.
  • Picture of an endangered Chinese big-headed turtle (Platysternon megacephalum megacephalum) at the Houston Zoo.
  • A longhorn beetle (Moechotypa marmorea( from the wild at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam.
  • Photo: A spectacled owl (Pulsatrix perspicillata chapmani) at Zoologico de Quito.
  • A Japanese giant salamander (Andrias japonicus) at the San Antonio Zoo. (IUCN: Near Threatened)
  • Photo: European golden plover (Pluvialis apricaria) at Monticello Center in Italy.
  • Picture of a Bartlett bleeding heart dove (Gallicolumba crinigera) at the Jurong Bird Park. This species is listed as vulnerable according to IUCN.
  • Photo: Blue sucker (Cycleptus elongatus) a New Mexico subspecies collected in the Black River.
  • Western pygmy rattlesnake (Sistrurus miliarius streckeri) at the Tulsa Zoo.
  • Picture of Ouachita streambed salamanders (Eurycea subfluvicola).
  • Critically endangered (IUCN) and federally endangered Panamanian golden frog (Atelopus zeteki) at the El Valle Amphibian Conservation Center (EVACC).
  • 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: An American marten (Martes americana) named ‘Joey’ at the Indianapolis Zoo.
  • Picture of a federally threatened, Canada lynx (Lynx canadensis) named Yukon at the Cincinnati Zoo.
  • Photo: A Lower Keys marsh rabbit, Sylvilagus palustris hefneri, from the wild.
  • Photo: A male snubnose darter (Etheostoma simoterum) collected on the Little River near Maryville Tennessee.
  • Photo: A female Indochinese southern terrapin (Batagur affinis edwardmolii) at ACCB in Siem Reap, Cambodia.
  • A boa constrictor at the Sunset Zoo.
  • Photo: An extinct Passenger pigeon (Ectopistes migratorius) at the University of Nebraska State Museum.
  • Photo: An urchin worm (Podarke guanica) photographed at Gulf Specimen Marine Lab and Aquarium.
  • White-nosed coati (Nasua narica) at the Fort Worth Zoo.
  • Photo: An African pygmy hedgehog (Atelerix albiventris) at the John Ball Zoo.
  • An endangered (IUCN) and federally endangered Eastern Pacific green sea turtle (Chelonia mydas).
  • A northern red salamander (Pseudotriton ruber ruber) at the Tennessee Aquarium.
  • Photo: A Golden-collared toucanet (Selenidera reinwardtii) at Parque de las Leyendas in Lima, Peru.
  • Mallard (Anas platyrhynchos) ducklings.
  • Photo: A fan foot gecko (Ptyodactylus hasselquisti) at Scaly Dave's Herp Shack in Manhattan, KS.
  • Photo: A white-breasted waterhen chick (Amaurornis phoenicurus phoenicurus) at Davao Crocodile Park.
  • A Cuban Amazon parrot (Amazona leucocephala leucocephala) at the Houston Zoo.  This species is listed as near threatened on the IUCN Red List.
  • Picture of two 10-week-old fennec fox pups/kits (Vulpes zerda) at the St. Louis Zoo
  • Photo: East African spring hare (Pedetes surdaster) at the Plzen Zoo in the Czech Republic.
  • Photo: Three longfin inshore squid (Doryteuthis pealeii) at the Maine State Aquarium in West Boothbay, ME.
  • A New Caledonian giant gecko (Rhacodactylus leachianus henkeli) at the Houston Zoo.
  • Photo: A bean goose (Anser fabalis) at the Plzen 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.
  • A hippopotamus (Hippopotamus amphibius) at the San Antonio Zoo. (IUCN: Vulnerable)
  • Picture of a badger (Taxidea taxus) at Wildlife Images, an animal rehabilitation center near Merlin, OR.
  • Photo: A China clam (Hippopus porcellanus) at Semirara Marine Hatchery Laboratory in the Philippines.
  • Photo: A female Petter's chameleon (Furcifer petteri) from a private collection in St. Augustine, Florida.
  • Photo: An American wolffish (Anarhichas lupus) at the Maine State Aquarium in West Boothbay, ME.
  • A giant Malayan katydid (Macrolyristes corporalis) at the Omaha Henry Doorly Zoo, Omaha, Nebraska.
  • Picture of a brown bullhead (Ameiurus nebulosus) at the Buttonwood Park Zoo in New Bedford, Massachusetts.
  • Photo: A Madagascan rousette (Rousettus madagascariensis) from Madagascar.
  • A studio portrait of an American goldfinch (Spinus tristis pallidus) in Nebraska.
  • Photo: A black-banded owl (Ciccaba huhula huhula) at Mantenedor da Fauna Silvestre Cariuá.
  • Picture of a black-headed siskin (Spinus notatus) from a private collection.
  • Endangered (IUCN) and federally endangered Galapagos tortoise (Chelonoidis vicina) at the Great Plains Zoo.
  • Picture of a blue-margin fairy-wrasse also known as Pyle's wrasse(Cirrhilabrus pylei) at Nebraska Aquatic Supply.
  • A Tuxtlan jumping pitviper or Olmecan pitviper (Atropoides olmec) at the Chapultepec Zoo, Mexico City, Mexico.
  • Photo: An American crocodile (Crocodilus acutus) at the Omaha Zoo.
  • Western chorus frog (Pseudacris triseriata) at Fenton Farm.
  • Picture of a cape gopher snake (Pituophis vertebralis) at Pet Paradise.
  • A vulnerable marbled teal (Marmaronetta angustirostris) at the Kansas City Zoo.
  • A pair of Australian rainbow lorikeets crossed with Forsten's lorikeets (Trichoglossus moluccanus x Trichoglossus forstenii) at the Indianapolis Zoo.
  • Picture of an endangered North Island brown kiwi (Apteryx mantelli) at the Kiwi Birdlife Park in Queenstown, New Zealand.
  • Photo: A female Kirghiz pheasant (Phasianus colchicus mongolicus) at the Plzen Zoo.
  • Photo: A dark-bellied brant goose (Branta bernicla) at Lundi Farm in Verl, Germany.
  • Picture of a Caspian pond turtle (Mauremys caspica) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Picture of a Great Basin collared lizard (Crotaphytus bicinctores) at Springs Preserve.
  • Photo: Quillback (Carpiodes cyprinus) named Carl at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • A bog turtle (Glyptemys muhlenbergii) an endangered (IUCN) and federally threatened species at the Atlanta Zoo.
  • A tawny frogmouth (Podargus strigoides) at the Fort Worth Zoo.
  • Photo: European crayfish (Astacus astacus) at Alpenzoo in Innsbruck, Austria.
  • Picture of a federally endangered Andean condor (Vultur gryphus) at the Lowry Park Zoo.
  • Photo: An endangered, juvenile silvery gibbon (Hylobates moloch) at Bali Safari.
  • A Central American bushmaster (Lachesis stenophrys) at the Gladys Porter Zoo in Brownsville, Texas.
  • A mudpuppy (Necturus maculosus) at the Genoa National Fish Hatchery.
  • A Northern mockingbird (Mimus polyglottos polyglottos) at the Santa Barbara Wildlife Care Network.
  • A striped possum (Dactylopsila trivirgata) at Omaha's Henry Doorly Zoo.
  • Photo: An endangered juvenile Javan hawk-eagle (Nisaetus bartelsi) at Taman Safari.
  • A picture of a brown-headed spider monkey (Ateles fusciceps rufiventris) at Parque Jaime Duque near Bogota, Colombia.
  • Photo: Buffy laughingthrush (Garrulax berthemyi) in Arona, Tenerife, Spain.
  • A western fox snake (Elaphe vulpina vulpina).
  • A Florida cooter (Pseudemys floridana) at the Chapultepec Zoo in Mexico City.
  • Photo: A critically endangered Baer's pochard (Aythya baeri), at the Plzen Zoo in Plzen, Czech Republic.
  • Photo: A honey badger (Mellivora capensis cottoni) at Tierpark Berlin.
  • Photo: A female brown eared pheasant (Crossoptilon mantchuricum) from a private collection.
  • Photo: Hagen's pit viper (Trimeresurus hageni) from the private collection in San Antonio.
  • An American kestrel (Falco sparvarius paulus) at the Audubon Center for Birds of Prey.
  • Photo: A 2 1/2 week old Wilson plover chick (Charadrius wilsonia wilsonia) at Save Our Seabirds in Sarasota, FL.
  • Picture of a northern walkingstick (Diapheromera femorata) at the St. Louis Zoo.
  • Photo: Tasmanian yellow tailed black cockatoo (Calyptorhynchus funereus xanthanotus) at Loro Parque Fundacion.
  • Picture of an endangered Asian elephant (Elephas maximus).
  • Cave ratsnake (Elaphe taeniura ridleyi) at the Omaha Zoo.
  • A honey badger (Mellivora capensis capensis) at the Fort Wayne Children's Zoo.
  • Photo: A male Elliot's pheasant (Syrmaticus ellioti) at Tierpark Berlin.
  • Red-backed bearded saki (Chiropotes chiropotes) at the Henry Doorly Zoo and Aquarium.
  • A sky-blue poison frog (Hyloxalus azureiventris) from a private collection.
  • Photo: A male Canada spruce grouse (Falcipennis canadensis canace) at Grouse Park Waterfowl in Cascade, Idaho.
  • A critically endangered (IUCN) and federally endangered Mississippi gopher frog (Lithobates sevosus) from Detroit Zoo.
  • Photo: A male and female ruddy ground dove (Columbina talpacoti talpacoti) at the Membeca Lagos Farm, near Rio de Janeiro, Brazil.
  • A Central American red brocket (Mazama temama temama) at the Gladys Porter Zoo.
  • An endangered Malagasy giant jumping rat (Hypogeomys antimena).
  • Photo: A fouling anemone (Aiptasiomorpha texaensis) at Gulf Specimen in Panacea, Florida.
  • Photo: A male Petter's chameleon (Furcifer petteri) from a private collection in St. Augustine, Florida.
  • Photo: Blue color phase of the red swamp crayfish (Procambarus clarkii) at the Insectarium in New Orleans.
  • A sinaloan milksnake (Lampropeltis triangulum sinaloae) from the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Sea peach, (Halocynthia aurantium), at the Alaska SeaLife Center.
  • Picture of a pygmy or anthill python (Antaresia perthensis) at the St. Augustine Alligator Farm.
  • Photo: A critically endangered juvenile northern white cheeked-gibbon (Nomascus leucogenys) at Omaha’s Henry Doorly Zoo and Aquarium.
  • Photo: A fisheating star (Stylasterias forreri) at the Alaska SeaLife Center.
  • A vulnerable, marbled polecat (Vormela peregusna) at the Columbus Zoo.
  • A narrow-bridged musk turtle (Claudius angustatus) at the Chapultepec Zoo in Mexico City.
  • Picture of giant African millipedes (Archispirostreptus gigas) at the Point Defiance Zoo.
  • A captive critically endangered (IUCN) and federally endangered California condor (Gymnogyps californianus) at the Phoenix Zoo.
  • With one of the world's largest migratory routes, the red knot (Calidris canutus rufa) finds itself especially susceptible to any disruption in its feeding areas along the way. Overfishing of horseshoe crabs along the eastern coast of the US has taken away a much-needed source of energy for the species. (US: Candidate for listing)
  • A Rio Madeira poison frog (Adelphobates quinquevittatus) from a private collection.
  • Picture of a vulnerable dwarf Burmese python (Python bivittatus progschai) from a private collection.
  • Picture of a silver-spotted skipper (Epargyreus clarus) from a prairie woodland near Cross Lake, Minnesota.
  • A Stevenson's klipspringer (Oreotragus stevensoni) at the Cleveland Metroparks Zoo.
  • An endangered (IUCN) and federally endangered mountain yellow-legged frog (Rana muscosa). Population locality: San Bernardino.
  • Pineywoods fox squirrel (Sciurus niger ludovicianus) at Liberty Wildlife.
  • Photo: Ivory barnacles (Amphibalanus eburneus) at Gulf Specimen Marine Lab and Aquarium.
  • A picture of a cichlid (Chromidotilapia melaniae) at L'aquarium tropical du palais de la Porte DorŽe.
  • Spotted salamander (Ambystoma maculatum) at the Tennessee Aquarium.
  • Photo: Princess bee shrimp (paracaridina sp. hai-vai) from a private collection.
  • Photo: Prickly sculpin (Cottus asper) at the Fish Conservation and Culture Lab in Byron, CA at UC Davis.
  • Photo: A male Nashville warbler (Leiothlypis ruficapilla ruficapilla) from a bird banding study near Hudson, Wisconsin.
  • A picture of an Australasian shoveler (Spatula rhynchotis) at the Sylvan Heights Bird Park.
  • Picture of a mountain paca (Cuniculus taczanowskii) at Parque Jaime Duque near Bogota, Colombia.
  • Sonoran mountain kingsnake (Lampropeltis pyromelana) at the Arizona-Sonora Desert Museum.
  • Photo: A male Ijima’s copper pheasant (Syrmaticus soemmerringii ijimae) from a private collection.
  • A dusky pygmy rattlesnake (Sistrurus malarius barbouri) at Reptile Gardens.
  • Picture of a critically endangered juvenile red headed vulture (Sarcogyps calvus) at Parco Natura Viva in Bussolengo, Italy.
  • A Mexican spiny-tail iguana (Ctenosaura pectinata), at the Chapultepec Zoo, Mexico City, Mexico.
  • A Nashville crayfish (Orconectes shoupi) at the Tennessee Wildlife Resources Agency, Nashville, Tennessee. (IUCN: Endangered, US: Endangered)
  • Picture of a vulnerable male red-bellied lemur (Eulemur rubriventer) named 'Iroquiois' at the Duke Lemur Center.
  • Photo: A critically endangered, female Walden's hornbill, Rhabdotorrhinus waldeni, at Talarak Foundation.
  • A pair of African collared doves (Streptopelia roseogrisea) at the Houston Zoo. This relatively common species helps to foster raise endangered species of doves at the Houston Zoo.
  • Photo: A Nigerian red kribensis cichlid (Pelvicachromis taeniatus) at Josh’s Frogs in Owosso, Michigan.
  • Photo: A juvenile white tailed kite (Elanus leucurus) at the University of California, Davis California Raptor Center.
  • An endangered (IUCN) and federally endangered mountain yellow-legged frog (Rana muscosa). Population locality: San Bernardino.
  • Photo: Benjamin, the Los Angeles Basin brush rabbit (Sylvilagus bachmani cinerascens) at the Big Bear Alpine Zoo in Big Bear Lake, CA.
  • Photo: Pyne's ground plum or Guthrie's ground-plum (Astragalus bibullatus), a federally endangered plant that exists only in a one-mile-square area outside of Nashville within the 'cedar glades' ecosystem.
  • Photo: A female spot-breasted oriole (Icterus pectoralis) from a private collection in St. Augustine, Florida.
  • Picture of a vulnerable Kea (Nestor notabilis) at the Sedgwick County Zoo in Wichita, Kansas.
  • Photo: A Tennessee bottlebrush crayfish (Barbicambarus simmonsi) collected in Factory Creek, Tennessee, by the West Liberty University Crayfish Conservation Lab.
  • Glasswing or clearwing (Greta oto) at the Henry Doorly Zoo and Aquarium.
  • New River morph of a dyeing poison frog (Dendrobates tinctorius) from a private collection.
  • Chacoan Horned Frog, Ceratophrys cranwelli, at Sedgwick County Zoo.
  • Photo: A Chilean lapwing (Vanellus chilensis chilensis) at Unidad de Rehabilitación de Fauna Silvestre of the Buin Zoo.
  • Photo: A female wolf spider (Schizocosa stridulans) from the University of Nebraska-Lincoln.
  • Photo: A pair of variable platyfish (Xiphophorus variatus) from a private collection in Knoxville, Tennessee.
  • Photo: A triangulate cobweb spider, or house spider (Steatoda triangulosa) at the Butterfly Pavilion.
  • A short-tailed weasel (Mustela erminea cicognanii) at the New York State Zoo.
  • Photo: Tasmanian yellow tailed black cockatoo (Calyptorhynchus funereus xanthanotus) at Loro Parque Fundacion.
  • Photo: A sand perch (Diplectrum bivittatum) at Gulf Specimen Marine Lab.
  • A Chihuahuan raven (Corvus cryptoleucus) at The Wildlife Center in Espanola, NM.
  • Photo: Blue dasher (Pachydiplax longipennis) at the Trinity Western University.
  • Photo: An eastern screech owl, (Megascopes asio), at a raptor recovery center near Lincoln, NE.
  • Photo: Large North African gerbil (Gerbillus campestris) at Wroclaw Zoo in Poland.
  • A federally-endangered Key Largo wood rat (Neotoma floridana smalli). There are approximately 250 or fewer of these animals left.
  • Photo: Barred bichir (Polypterus delhezi) at the Moscow Zoo.
  • Picture of a vulnerable Indian peacock softshell turtle (Nilssonia hurum) at the Gharial and Turtle Rehabilitation Center.
  • Photo: An awa rocket-frog (Hyloxalus awa) at Balsa de los Sapos.
  • Picture of Amazonian toad-frogs (Leptodactylus knudseni) at the Central Florida Zoo.
  • A Central Plateau dusky rattlesnake (Crotalus triseriatus triseriatus) at the San Antonio Zoo, San Antonio, Texas.
  • Photo: A female South Caucasus pheasant (Phasianus colchicus colchicus) at the Plzen Zoo.
  • Photo: A female ruffed grouse (Bonasa umbellus monticola) photographed at a private collection in Elk River, Minnesota.
  • Sonoran cantil (Agkistrodon bilineatus bilineatus) at the Arizona-Sonora Desert Museum.
  • Photo: A long-spined sea urchins (Diadema antillarum) at Mote Tropical Research Laboratory.
  • Picture of a green-cheeked conure (Pyrrhura molinae hypoxantha) at a private collection.
  • Picture of a whimbrel (Numenius phaeopus) at the National Aviary of Colombia.
  • Picture of a satin bowerbird (Ptilonorhynchus violaceus) at Healesville Sanctuary.
  • Picture of a male panther chameleon, Furcifer pardalis--Ambilobe locality, at the Dallas World Aquarium.
  • Photo: Guineafowl puffer (Arothron meleagris) at the Dallas Children's Aquarium.
  • Photo: Chattering lory (Lorius garrulus flavopalliatus) at Loro Parque Fundacion.
  • Photo: A black Asian upside down catfish (Mystus leucophasis) at the Institute of Marine Mammal Studies (IMMS) at Gulfport, MS. This animal is part of their public education area.
  • Picture of an Aubry's flapshell turtle (Cycloderma aubryi) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Crested caracara (Caracara cheriway) at Tampa's Lowry Park Zoo.
  • A great grey owl (Strix nebulosa nebulosa) at the New York State Zoo.
  • Photo: A northern grasshopper mouse (Onychomys leucogaster articeps) collected near Wood River, Nebraska.
  • Photo: A Sonoran whipsnake (Masticophis bilineatus) at Reptile Gardens.
  • A giant leaf-tail gecko (Uroplatus fimbriatus) at the St. Louis Zoo, St. Louis, Missouri.
  • Photo: A desert blond tarantula (Aphonopelma chalcodes) at the Kansas City Zoo.
  • Photo: An olive ridley sea turtle, Lepidochelys olivacea, at the Loggerhead Marinelife Center.
  • Photo: A northern redbelly snake (Storeria occipitomaculata occipitomaculata) at the Wildlife Rehabilitation Center of Minnesota.
  • Picture of a purple gallinule (Porphyrio martinicus) at the Virginia Aquarium.
  • Sulawesi forest turtle (Leucocephalon yuwonoi), at Zoo Atlanta.
  • Photo: Red squirrel (Tamiasciurus hudsonicus minnesota) at Bay Beach Wildlife Sanctuary
  • Picture of a queen angelfish (Holacanthus ciliaris) at Pure Aquariums.
  • Photo: A yellow mud turtle, (Kinosternon flavescens) at the Sedgwick County Zoo.
  • Photo: A great tit (Parus major major) at Centro Fauna Selvatica "Il Pettirosso".
  • A Bothrops alternatus (Urutu) at the Chattanooga Zoo.
  • A near threatened Nicobar pigeon (Caloenas nicobarica) at Omaha's Henry Doorly Zoo and Aquarium, Omaha, Nebraska.
  • Picture of a lesser siren (Siren intermedia texana) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: A pair of Asian fairy-bluebirds (Irena puella puella) at The Green Planet in Dubai, United Arab Emirates.
  • A black-faced ibis (Theristicus melanopis) at the Cincinnati Zoo.
  • Photo: Savanna monitor lizard (Varanus exanthematicus) at the Denver Zoo.
  • Photo: A female kelp greenling (Hexagrammos decagrammus) at East Bay Regional Park District.
  • Photo: An Atlantic tarpon (Megalops atlanticus) at Gulf Specimen Marine Lab.
  • Photo: Leaf-imitating katydid (Corycoides jurinei) from Bioko Island, Equatorial Guinea.
  • A slug caught from the wild.
  • A false tomato frog (Dyscophus guineti) at the Omaha Henry Doorly Zoo and Aquarium.
  • Photo: An Abbott’s sphinx moth (Sphecodina abbottii) in Lincoln, Nebraska.
  • A impressed tortoise (Manouria impressa), at Zoo Atlanta. This animal is under IUCN vulnerable status.
  • A Mexican pine snake (Pituophis deppei) at the Chapultepec Zoo, Mexico City, Mexico.
  • Photo: An endangered, juvenile silvery gibbon (Hylobates moloch) at Bali Safari.
  • Photo: A broadstriped shiner (Pteronotropis euryzonus) at Conservation Fisheries in Knoxville, Tennessee.
  • Photo: Black Kite (Milvus migrans lineatus) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.
  • Photo: Horsfield's tarsier (Cephalopachus bancanus borneanus) at Taman Safari.
  • Photo: A blue dyeing poison arrow frog (Dendrobates tinctorius sipaliwini) at the Omaha Henry Doorly Zoo and Aquarium.
  • Picture of endangered red ruffed lemurs (Varecia rubra) at the Miller Park Zoo.
  • Photo: Red lacewing (Cethosia biblis) photographed at Butterfly Pavilion in Westminster, Colorado.
  • Photo: An unidentified noisy foam nest frog (Engystomops sp. Baquerizo Moreno) at Centro Jambatu in Quito, Ecuador.
  • Photo: A Northern bald ibis (Geronticus eremita) at the Houston Zoo. This is an endangered (IUCN) and federally endangered bird from the Middle East.
  • Photo: Triceratops beetle (Phileurus truncatus) at the Insectarium in New Orleans.
  • Photo: An endangered salem ornamental (Poecilotheria formosa) at the Moscow Zoo.
  • Western toad (Anaxyrus boreas) at the Sunriver Nature Center in Deschutes County, OR.
  • Armenian viper (Montivipera raddei) at the St. Louis Zoo.
  • Photo: A male grackle perched on a Nikon D2X camera at a farm near Bennett, NE.
  • Picture of an endangered Chinese big-headed turtle (Platysternon megacephalum megacephalum) at the Houston Zoo.
  • Photo: A glass catfish (Kryptopterus minor) at the Downtown Aquarium in Denver, Colorado.
  • Photo: A rough-footed mud turtle (Kinosternon hirtipes murrayi) at the Conservation Department of the San Antonio Zoo.
  • Photo: Walking stick (Brasidas sp. "Nabunturan") at the Budapest Zoo.
  • Picture of a black-breasted wood quail (Odontophorus leucolaemus) at the Dallas World Aquarium.
  • Australian king parrot (Alisterus scapularis) crossed with a red-winged parrot (Aprosmictus erythropterus) at Parrots in Paradise, a bird attraction in Glass House Mountains, Queensland.
  • Picture of a grey peacock pheasant (Polyplectron bicalcaratum bakeri) at Pheasant Heaven, a private pheasant breeding center near Clinton, NC.
  • Photo: Tulip shell (Fasciolaria tulipa), with eggs from Gulf Specimen Marine Laboratories.
  • Photo: Channel-billed toucan (Ramphastos vitellinus) in Choussy, France.
  • Photo: A group of isopods (Venezillo parvus) photographed at Josh’s Frogs in Owosso, Michigan.
  • Picture of a female greylag goose, Anser anser, at Sylvan Heights Bird Park.
  • Photo: A red milksnake (Lampropelits triangulum) at the St. Louis Zoo.
  • Photo: Orange Lake cave crayfish (Procambarus franzi) (IUCN as endangered). Endemic to two caves in Marion, County, Florida.
  • Photo: A painted tree frog (Boana picturata) sits on a camera at Centro Jambatu in Quito, Ecuador.
  • Picture of a long-clawed hermit crab, Pagurus longicarpus, with bushy bryozoans attached to its shell.
  • Photo: Large-scale water monitor (Varanus nuchalis) from the private collection in San Antonio.
  • Photo: A bigmouth buffalo (Ictiobus cyprinellus) at the Schramm Education Center near Gretna, NE.
  • Photo: Princess bee shrimp (paracaridina sp. hai-vai) from a private collection.
  • Photo: A long-tailed fiscal (Lanius cabanisi) at the Zoo Berlin.
  • A ferruginous hawk (Buteo regalis) at the Sutton Avian Research Center.
  • A giant horned lizard (Phrynosoma asio) at the LA Zoo.
  • Photo: Red fin rainbowfish (Melanotaenia maccullochi) at Plzen Zoo in the Czech Republic.
  • Picture of a vulnerable male Eastern hoolock gibbon (Hoolock leuconedys) at the Gibbon Conservation Center.
  • Photo: Critically endangered Nubian flap-shelled turtle (Cyclanorbis elegans) at Wroclaw Zoo.
  • Photo: Dead leaf mantis (Deroplatys truncata) at Malacca Butterfly and Reptile Sanctuary.
  • A Cuban boa (Chilabothrus angulifer) at the Palm Beach Zoo.
  • Photo: A female African hawk-eagle (Aquila spilogaster) at Zoopark Zajezd.
  • Photo: A European siskin (Spinus spinus) at Parque Biologico.
  • Picture of sand fiddler crabs (Uca pugilator) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: Northern spotted box turtle (Terrapene nelsoni klauberi) at the Arizona-Sonora Desert Museum.
  • A northern spring salamander (Gyrinophilus porphyriticus) from a private collection.
  • Picture of a common squirrel monkey (Saimiri sciureus) at the Lincoln Children's Zoo.
  • Picture of a Hispaniolan common treefrog (Osteopilus dominicensis) at the Parque Zoologico Nacional in Santo Domingo, Dominican Republic.
  • Photo: A male Kashmir koklass pheasant (Pucrasia macrolopha biddulphi) from a private collection.
  • An endangered Amargosa toad (Anaxyrus nelsoni) near Beatty, Nevada.
  • Photo: A subadult female bushy-crested hornbill (Anorrhinus galeritus) at Penang Bird Park.
  • Photo: Red Helen butterfly (Papilio helenus) at the San Antonio Zoo.
  • Picture of a lettuce sea slug (Elysia crispata) at Pure Aquariums from the Gulf Specimen Marine Lab.
  • Photo: Eurasian (grey) crane (Grus grus) at Parc des Oiseaux in Villars Les Dombes, France.
  • Photo: Spotted scorpionfish (Scorpaena plumieri) at Ripley's Aquarium of Canada.
  • A little golden-mantled flying fox (Pteropus pumilus) at the Omaha Zoo.
  • Picture of a female greylag goose, Anser anser, at Sylvan Heights Bird Park.
  • Photo: A federally endangered fine-rayed pigtoe (Fusconaia cuneolus) taken from the Clinch River near Sneedville.
  • Photo: A Philippine red ratsnake (Coelognathus erythrurus manillensis) at the Avilon Zoo.
  • Photo: Madagascar moon moth (Argema mittrei) in a silk cocoon that is spun around the pupae, sometimes sticks and leaves are woven in as well, at the Omaha zoo.
  • Photo: An Australian sea apple (Pseudocolochirus axiologus) at the Dallas World Aquarium.
  • A Chinese big-headed turtle (Platystanon megacephalum shiui) at the Sedgwick County Zoo.
  • Kihansi spray toad (Nectophrynoides asperginis), an amphibian from Tanzania, at the Toledo Zoo. (IUCN: Extinct in the wild)
  • Photo: A juvenile giant clam (Tridacna gigas) on Semirara Island in the Philippines.
  • Photo: Chinese cave gecko (Goniurosaurus hainanensis) at Loro Parque.
  • A picture of an Australasian shoveler (Spatula rhynchotis) at the Sylvan Heights Bird Park.
  • Photo: Muskovy duck (Cairina moschata sylvestris) at the National Aviary of Colombia (Aviario Nacional de Colombia).
  • Picture of Matilda, a forest red-tailed black cockatoo (Calyptorhynchus banksii naso) at Tracy Aviary.
  • A picture of a hispid pocket mouse (Chaetodipus hispidus paradoxus) at Cedar Point Biological Station.
  • Picture of Texas millipedes (Orthoporus texicolen) at the Central Florida Zoo.
  • A splendid leaf frog (Cruziohyla sylviae) at the National Aquarium in Baltimore.
  • Photo: A pucayacu morph of the Darwin-Wallace poison dart frog (Epipedobates darwinwallacei) at Centro Jambatu in Quito, Ecuador.
  • Picture of a vulnerable Malayan flat shelled turtle (Notochelys platynota) at the Knoxville Zoo.
  • A Florida sandhill crane (Grus canadensis pratensis) at the Great Plains Zoo.
  • Photo: A northern blue-tongued skink (Tiliqua scincoides intermedia) at the Riverside Zoo.
  • Photo: An amber baboon tarantula (Harpactira cafreriana) from a private collection.
  • A picture of a baby striped skunk (Mephitis mephitis varians) from Dunbar, Nebraska.
  • A Congo dwarf clawed frog (Hymenochirus boettgeri) at the Vancouver Aquarium.
  • Photo: Mendoza's knob-scaled lizard (Xenosaurus mendozai) at the private collection in San Antonio.
  • Photo: A margay (Leopardus wiedii pirrensis) named Diego, at Zoologico de Quito.
  • Photo: Japanese sea nettle (Chrysaora pacifica) at Aquarium of the Pacific in Long Beach, CA.
  • Photo: A bullseye coral (Caulastraea furcata) at the Akron Zoo.
  • Photo: A cocoi heron (Ardea cocoi) at the National Aviary breeding center.
  • An endangered (IUCN) and federally endangered Virgin Islands boa (Chilabothrus granti) at Toledo Zoo.
  • A blue death feigning beetle (Asbolus verrucosus) at the Omaha Henry Doorly Zoo, Omaha, Nebraska.
  • Photo: Moustached parakeets (Psittacula alexandri abbotti) at Loro Parque Fundacion.
  • Photo: A horned parakeet (Eunymphicus cornutus) at Loro Parque Fundacion.
  • Photo: Ibiza wall lizard (Podarcis pityusensis) at Wroclaw Zoo.
  • Photo: Pearl-spotted owlet (Glaucidium perlatum) at Monticello Center in Italy.
  • Photo: A ruddy ground dove (Columbina talpacoti) at the Plzen Zoo in the Czech Republic.
  • Picture of an Andean tinamou (Nothoprocta pentlandii) at Tracy Aviary.
  • Photo: Orange breasted fig parrot (Cyclopsitta gulielmitertii) at Loro Parque Fundacion.
  • Photo: An endangered Annamese Langur (Trachypithecus margarita) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.
  • Photo: A mangrove pitviper (Cryptelytrops purpureomaculatus) at the Dallas Zoo.
  • Photo: A collared sunbird (Hedydipna collaris zuluensis) from Chitengo Camp in Gorongosa National Park.
  • A western long-tailed hornbill (Horizocerus albocristatus) at the North Florida Wildlife Center in Lamont, Florida. His name is Einstein and as of 2020 he is between 13-15 years old.
  • A picture of a bordered shieldbug (Legnotus limbosus) at Graham's Quinta dos Malvedos Vineyard.
  • Photo: A male Marco Polo sheep (Ovis ammon polii) at Tierpark Berlin.
  • Photo: A Louisiana waterthrush (Parkesia motacilla) at a bird banding and release site near Hudson, WI.
  • Photo: Mearn's coyote (Canis latrans mearnsi) named 'Sangria' at Southwest Wildlife Conservation Center.
  • Photo: Violet clipper (Parthenos sylvia violaceae) at the San Antonio Zoo.
  • A picture of a Mandarin vole (Lasiopodomys mandarinus vinogradovi) at the A.N. Severtsov Institute of Ecology and Evolution Russian Academy of Science.
  • Photo: An America robin (Turdus migratorius nigrideus) at the Carolina Waterfowl Rescue.
  • Photo: A Canada warbler (Cardellina canadensis) near Hudson, Wisconsin, USA.
  • Photo: A southern hognose snake (Heterodon simus) in red and white color phases, at a private collection.
  • Picture of a migratory locust (Locusta migratoria) at the Auckland Zoo.
  • Photo: Andaman Island stick insect (Sceptrophasma hispidula) from the Plzen Zoo in the Czech Republic.
  • Northern Spotted Owl (Strix occidentalis caurina) at the University of California, Davis California Raptor Center.
  • Photo: A Texas indigo snake (Drymarchon corais erebennus) from the Fort Worth Zoo in Fort Worth, Texas.
  • Picture of an ivory-billed aracari (Pteroglossus azara flavirostris) at the Dallas World Aquarium.
  • A picture of a copper-headed trinket snake, Coelognathus radiatus, at the Assam State Zoo in Guwahati, Assam, India
  • Photo: The larvae form of an Eastern eyed click beetle (Alaus oculatus) at the Audubon Insectarium, part of the Audubon Nature Institute.
  • Picture of a giant California sea cucumber (Parastichopus californicus) at the Monterey Bay Aquarium.
  • Photo: Grevy's zebra at the Lee G. Simmons Conservation Park and Wildlife Safari near Ashland, Nebraska.
  • Picture of a masked cardinal (Paroaria nigrogenis) at the National Aviary breeding center in Palmar, Colombia.
  • A picture of an endangered mountain reedbuck (Redunca fulvorufula fulvorufula) at Plzen Zoo in the Czech Republic.
  • Photo: Hooded crow (Corvus cornix) from the Budapest Zoo.
  • Photo: A Rio Mayo titi monkey (Callicebus oenanthe) at Parque Zoológico Huachipa in Lima, Peru.
  • Picture of a bicolored foxface (Siganus uspi) at Pure Aquariums.
  • A giant hispanolian anole (Anolis ricordi) at the Omaha Zoo.
  • Photo: A mainland wombat (Vombatus ursinus) named Lilly, at the Toldeo Zoo. She is nine years old.
  • A picture of a least sandpiper (Calidris minutilla) at Iowa Bird Rehabilitation in Des Moines, IA.
  • Picture of a burrowing owl (Athene cunicularia troglodytes) from a private collection in the Dominican Republic.
  • A Quito rocket frog (Hyloxalus jacobuspetersi) at Pontificia Universidad Católica del Ecuador.
  • Picture of a Meller's chameleon (Trioceros melleri) named Petunia at the Dallas World Aquarium.
  • Photo: Slipper coral (Polyphyllia sp.) at Butterfly Pavilion.
  • South African bowsprit tortoise (Chersina angulata) at the Detroit Zoo.
  • Photo: Pharaoh eagle-owl (Bubo ascalaphus) at the Woodland Park Zoo. This bird's name is Buddy, a male, about five years old.
  • Photo: A vulnerable Northern straight-mouth nase or Douro nase (Pseudochondrostoma duriense) at Environmental Education Center in Portugal.
  • Photo: Leopard lacewing (Cethosia cyane) (in two color phases) at the McGuire Center of the Florida Museum of Natural History.
  • Photo: Red shiner (Cyprinella lutrensis) at the Milford Nature Center.
  • A white-eared catbird (Ailuroedus buccoides buccoides) at the Houston Zoo.
  • Photo: A whirligig beetle (Gyrinidae sp.) at the Audubon Butterfly Garden and Insectarium in New Orleans, Louisiana.
  • Photo: A western silvery minnow (Hybognathus argyritis) photographed at Schramm Education Center, Gretna, Nebraska.
  • Picture of tuataras (Sphenodon punctatus) at the Wellington Zoo.
  • Photo: Veterinarian bottle feeding two female hand-raised nine-day-old clouded leopard cubs, (Neofelis nebulosa nebulosa), at the Nashville Zoo.
  • Picture of a federally endangered Andean condor (Vultur gryphus) at the Lowry Park Zoo.
  • Photo: Aknot, a five-year-old Gunnison’s prairie dog (Cynomys gunnisoni) photographed in Utah.
  • An endangered (IUCN) and federally endangered pygmy madtom (Noturus stanauli) at Conservation Fisheries. This stream fish is only found in the Clinch and Duck River drainages in Tennessee.
  • A ruddy turnstone (Arenaria interpres).
  • A vulnerable (IUCN) Quitobaquito pupfish (Cyprinodon macularis eremus).
  • Photo: The tail feathers of a dusky parrot (Pionus fuscus) at Loro Parque Fundacion.
  • Picture of a greater yellowlegs (Tringa melanoleuca) at the Tulsa Zoo.
  • Photo: Sterba's corydoras (Corydoras sterbai) from a private collection.
  • Picture of a sacred kingfisher (Todiramphus sanctus) at Healesville Sanctuary.
  • Photo: A Hercules baboon spider (Hysterocrates hercules) at Petra Aqua.
  • A picture of a critically endangered Chinese three-striped box turtle (Cuora trifasciata trifasciata) from the Turtle Survival Center.
  • Photo: An endangered spiny turtle (Heosemys spinosa) at the Turtle Survival Center.
  • An African sacred ibis (Threskiornis aethiopicus) at the Columbus Zoo.
  • Photo: A rainbow snake (Farancia erytrogramma) collected at Choctawhatchee River, FL.
  • Photo: A parma wallaby (Notamacropus parma) at The Green Planet in Dubai, United Arab Emirates.
  • Photo: Pacific lamprey (Entosphenus tridentatus) at the MK Nature Center in Boise, Idaho.
  • Picture of a Mountain parakeet (Psilopsiagon aurifrons rubrirostris) at Loro Parque Fundacion.
  • A Platte River caddisfly (Ironoquia plattensis) in its larval stage.
  • Photo: A Canada goose (Branta canadensis moffitti) at Zoo Idaho, Pocatello, Idaho, USA.
  • An Asian lady beetle (Harmonia axyridis). Also known as harlequin ladybird, multicolored Asian lady beetle and halloween lady beetle.
  • Photo: An elegant madtom (Noturus elegans) from a private collection in Knoxville, Tennessee.
  • Photo: An endangered, male great-billed seed finch (Sporophila maximiliani maximiliani) at Fundacao Jardim Zoologico de Brasilia.
  • Picture of two critically endangered ploughshare tortoises (Astrochelys yniphora) at Zoo Atlanta.
  • A vulnerable black marsh turtle (Siebenrockiella crassicollis) in a private collection in Houston, Texas.
  • Picture of a gray bird grasshopper (Schistocerca nitens) at the Cincinnati Zoo.
  • Photo: Royal starfish (Astropecten articulatus) at Gulf Specimen Marine Lab.
  • Photo: A smooth flower coral (Eusmilia fastigiata) at Riverbanks Zoo and Garden.
  • Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.
  • Photo: A slaty-legged crake (Rallina eurizonoides eurizonoides) on Semirara Island in the Philippines.
  • Photo: A Savi's pipistrelle (Hypsugo savii savii) at Centro Fauna Selvatica "Il Pettirosso".
  • Picture of a ring-billed gull, Larus delawarensis, in non-breeding plumage at Sylvan Heights Bird Park.
  • Picture of a silk worm (Bombyx mori) coccoon with a dead pupae next to it.
  • Photo: 'Nyango', the only confirmed Cross River gorilla (Gorilla gorilla diehli) in captivity in the world.
  • An endangered (IUCN) and federally endangered Higgins eye pearly mussel (Lampsilis higginsii) at the Genoa National Fish Hatchery, Genoa, Wisconsin.
  • Photo: A male golden pheasant (Chrysolophus pictus) at Padmaja Naidu Himalayan Zoological Park.
  • Picture of a South American Comb Duck (Sarkidiornis melanotos sylvicola) at the Houston Zoo.
  • Photo: A golden silk orb weaver (nephila inaurata madagascariensis) at the Moscow Zoo.
  • Constantine's Swallowtail (Papilio constantinus) at the Henry Doorly Zoo and Aquarium.
  • Photo: A black-banded owl (Ciccaba huhula albomarginata) at Fundacao Jardim Zoologico de Brasilia.
  • Picture of a sharp-winged teal (Anas flavirostris oxyptera) at the Sylvan Heights Bird Park.
  • A laughing kookaburra (Dacelo novaeguineae) at the Cleveland Metroparks Zoo.
  • Photo: Autumn leaf (Doleschallia bisaltide bisaltide) at Malacca Butterfly and Reptile Sanctuary.
  • Photo: A plumbeous ibis (Theristicus caerulescens) at Fundacao Jardim Zoologico de Brasilia.
  • Photo: A Peale's peregrine falcon (Falco peregrinus pealei) at Reptile Gardens.
  • A saddle-billed stork (Ephippiorhynchus senegalensis) from the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Black-billed cuckoo (Coccyzus erythropthalmus) at Bay Beach Wildlife Sanctuary.
  • Photo: Wild nightcrawlers (Lumbricus terrestris) caught in Lincoln, Nebraska.
  • Picture of a red-tailed boa (Boa constrictor) at Safari Land Pet Center.
  • Photo: Buck darter (Etheostoma nebra) at Conservation Fisheries.
  • Photo: An Amazonian monkey frog (Cruziohyla craspedopus) at Centro Jambatu in Quito, Ecuador.
  • Photo: A nose-horned chameleon (Calumma nasutum) in Madagascar.
  • A blue duiker (Philantomba monticola bicolor) at the Virginia Zoo.
  • Picture of a male Mountain goat (Oreamnos americanus) at the Cheyenne Mountain Zoo.
  • Abbott's cockatoo (Cacatua sulphurea abbotti) at Loro Parque Fundacion.
  • Photo: A pair of four-week-old old Asian leopard cats, (Prionailurus bengalensis bengalensis). These two were found abandoned by their mother a couple days ago in a burning field and brought to the Angkor Centre for Conservation of Biodiversity (ACCB), a wildlife rehab center in Siem Reap, Cambodia.
  • Photo: A sand lizard (Lacerta agilis agilis), at Wildwood Trust near Canterbury, England.
  • Picture of a critically endangered golden-headed or Cat Ba langur (Trachypithecus poliocephalus) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. There are just 55 of these animals left on Earth.
  • Photo: A male Calumma malthe from a private collection.
  • A spotted wood owl (Strix seloputo seloputo) at the Jurong Bird Park.
  • Photo: A duplicate cory (Corydoras duplicareus) at Dallas World Aquarium.
  • Photo: A krait (Bungarus sindonus sindonus) at Reptile Gardens.
  • Photo: Yellow cardinal (Gubermatrix cristata) at Jurong Bird Park, part of Wildlife Reserves Singapore.
  • Common spider crab, also known portly spider crab or nine-spined spider crab (Libinia emarginata), with red beard sponge that it has attached to its shell at the Sedge Island Natural Resource Education Center in the Sedge Islands Marine Conservation Zone, Barnegat Bay, New Jersey.
  • Photo: Shingleback lizard (Tiliqua rugosa) at Moonlit Sanctuary
  • Picture of a blue and yellow macaw (Ara ararauna) at the Kansas City Zoo.
  • Photo: Yellow billed Amazon, Amazona collaria, at Loro Parque Fundacion.
  • Photo: A male mindanao wrinkled hornbill, Rhabdotorrhinus leucocephalus, at Talarak Foundation.
  • Photo: Zebra nerite snail (Neritina natalensis) from a private collection.
  • Picture of a Hawaiian black triggerfish (Melichthys niger) at Pure Aquariums.
  • Picture of a Siamese fireback pheasant (Lophura diardi) at Pheasant Heaven, a private pheasant breeding center near Clinton, NC.
  • Photo: A king rail (Rallus elegans) at the Carolina Wildlife Center, a place that rescues and rehabilitates injured and orphaned wildlife.
  • Photo: A Seipp's day gecko (Phelsuma seippi) at the Plzen Zoo.
  • Picture of a red-sided garter snake (Thamnophis sirtalis parietalis) at Reptile Gardens.
  • A Moiese burbot (Lota lota) at the Kootenai Tribal Hatchery, Idaho.
  • A juvenile westslope cutthroat trout (Oncorhynchus clarki lewisi). The species was denied listing under the ESA in 2003.
  • Photo: Rough earth snake (Virginia striatula) at Wildcare in Noble, Oklahoma.
  • Photo: A critically endangered oblong rocksnail (Leptoxis compacta) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL.
  • Photo: Plain sculpin (Myoxocephalus jaok) at the Alaska SeaLife Center in Seward, AK.
  • Photo: Valley Flame crayfish, Cambarus deweesae, at the Crayfish lab in West Liberty University in West Liberty, WV. This specimen is from Erwin, TN.
  • Photo: Southwestern gray fox (Urocyon cinereoargenteus scottii) at Southwest Wildlife Conservation Center.
  • Photo: An American robin (Turdus migratorius migratorius) at Wild Bird Rehabilitation Inc. in St. Louis, Missouri.
  • Photo: A male Elliot's pheasant (Syrmaticus ellioti) at Tierpark Berlin.
  • Photo: A Philippine bent-toed gecko (Cyrtodactylus philippinicus) at the University of the Philippines.
  • A picture of an ornate titi (Plecturocebus ornatus) at Piscilago Zoo in Bogota, Colombia.
  • Photo: A male wolf spider (Schizocosa tristani) from the University of Nebraska-Lincoln.
  • Photo: A male Franklin’s spruce grouse (Falcipennis canadensis franklinii) photographed at a private collection in Elk River, Minnesota.
  • A long-snouted cutin frog (Pristimantis appendiculatus) near Mindo, Ecuador.
  • Photo: A chestnut-sided warbler (Setophaga pensylvanica) at the Wildlife Rehab Center of Minnesota.
  • Photo: A red squirrel (Sciurus vulgaris) at Centro Fauna Selvatica "Il Pettirosso".
  • Photo: A banded rail (Rallus philippensis) at Plzen Zoo in the Czech Republic.
  • Photo: A Gran Canaria giant lizard (Gallotia stehlini) at the Plzen Zoo in the Czech Republic.
  • Photo: A dwarf seahorse (Hippocampus zosterae) at Aquarium Berlin.
  • A picture of a pile surfperch (Phanerodo vacca) at East Bay Regional Park District.
  • European fire salamander (Salamandra salamandra bernardezi) at the St. Louis Zoo.
  • A Taiwan yuhina (Yuhina brunneiceps) at the Sedgwick County Zoo.
  • Photo: Buffalo sculpin (Enophrys bison) at East Bay Regional Park District.
  • Photo: Yellow-bellied poison frog (Andinobates fulguritus) at the Cali Zoo in Colombia.
  • Photo: Maroon shining parrot, Prosopeia tabuensis tabuensis, at Loro Parque Fundacion.
  • A lovely poison frog, Phyllobates lugubris.
  • A female West African dwarf crocodile (Osteolaemus tetraspis tetraspis) at the Woodland Park Zoo. This species is federally endangered and listed as vulnerable on IUCN.
  • An African giant plated lizard (Gerrhosaurus validus) at the Houston Zoo.
  • Photo: A black pine snake (Pituophis lodingi)
  • Usambara golden starburst, or Usambara orange baboon, tarantula (Pterinochilus murinus) at the Great plains Zoo.
  • Photo: A juvenile Trinidad olive tarantula (Neoholothele incei) at the Moscow Zoo.
  • Photo: A Santa Cecilia cochran frog (Teratohyla midas) at Balsa de los Sapos.
  • Photo: An African snail (Achatina zanzibarica) at Aquarium Berlin.
  • Photo: Figeater beetle (Cotinis mutabilis) at the Sacramento Zoo.
  • Black crocodile newt (Tylototriton taliangensis) at the National Mississippi River Museum and Aquarium in Dubuque, IA.
  • Photo: A hand-raised koala (Phascolarctos cinereus) at Dreamworld in Queensland, Australia.
  • Picture of a male green pygmy goose (Nettapus pulchellus) at Sylvan Heights Bird Park.
  • Red-bellied short-necked turtle (Emydura subglobosa) at the Lincoln Children's Zoo.
  • A federally endangered snail kite (Rostrhamus sociabilis) at the Audubon Center for Birds of Prey, a rehab and education center.
  • Photo: Huntsman spider (Heteropoda venatoria) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.
  • Two eyelash frogs or Solomon island leaf frogs (Ceratobatrachus guentheri) at Omaha's Henry Doorly Zoo.
  • Photo: Africa olive pigeon (Columba arquatrix) from Le Parc des Oiseaux in Villars Les Dombes, France.
  • Photo: A female hoary fox (Lycalopex vetulus) at Fundacao Jardim Zoologico de Brasilia.
  • A greater roadrunner (Geococcyx californianus) at the Sutton Avian Research Center, Bartlesville, Oklahoma.
  • Photo: A fossilized egg of a therapod dinosaur, at the Auburn University Natural History Museum.
  • A black-throated magpie-jay (Calocitta colliei) from the Gladys Porter Zoo in Brownsville, Texas.
  • A juvenile flathead catfish (Pylodictus olivaris) at Gavins Point National Fish Hatchery and Aquarium.
  • Photo: A tropical bed bug (Cimex hemiptera) at the Urban Entomology Lab at the University of Florida at Gainesville.
  • Photo: An owl butterfly (Caligo memnon telamonius) at the Butterfly Pavilion.
  • Malaysian horned leaf frog (Megophrys nasuta) from a private collection.
  • Photo: A spectacled owl (Pulsatrix perspicillata perspicillata) at Cetas-IBAMA, a wildlife rehab center in Manaus, Brazil.
  • Photo: White-fronted Amazon (Amazona albifrons nana) in Choussy, France.
  • Two subspecies of melba finch (Pytilia melba) from a private collection. The one with grey splitting the red face in two is Pytilia melba belli.
  • Photo: A Northwest hesperian snail (Vespericola columbianus) at A Rocha Brooksdale Environmental Center in Surrey, BC.
  • Photo: A fledgling European barn owl (Tyto alba guttata) from the Plzen Zoo in the Czech Republic.
  • A great spotted woodpecker (Dendrocopos major pinetorum) at Hessilhead Wildlife Rescue.
  • Photo: A mummichog (Fundulus heteroclitus) at the Virginia Aquarium.
  • Photo: Several Fiji devil damselfish (Chrysiptera taupou) at Shark Reef Aquarium at Mandalay Bay, Las Vegas, NV.
  • A captive English/house sparrow (Passer domesticus) photographed at a studio in Lincoln, NE.
  • A federally threatened Louisiana black bear (Ursus americanus luteolus) at the Caldwell Zoo in Tyler, Texas.
  • Photo: Vulnerable European wisent (Bison bonasus) at the Madrid Zoo.
  • A federally endangered woodland caribou (Rangifer tarandus caribou).
  • Picture of an Australasian swamphen or pukeko (Porphyrio melanotus) the Kiwi Birdlife Park in Queenstown, New Zealand.
  • Photo: Indo tigerfish or finescale fish (Datnioides microlepis) at the Singapore Zoo.
  • A common marmoset (Callithrix jacchus) at the Henry Doorly Zoo and Aquarium. This animal's name is Ivan. He was a pet who was confiscated and brought to the zoo.
  • Photo: A Botta’s pocket gopher (Thomomys bottae pervagus) at the Wildlife Center of New Mexico.
  • Photo: A Cascabel rattlesnake (Crotalus durissus durissus) at the Kentucky Reptile Zoo in Slade, Kentucky.
  • Photo: A golden mantella (Mantella aurantiaca) at Josh’s Frogs in Owosso, Michigan.
  • Photo: A giant water bug (Lethocerus sp.) at the Audubon Butterfly Garden and Insectarium in New Orleans, Louisiana.
  • Photo: European eel or Enguia (Anguilla anguilla) at the Environmental Education Center of the Ribeiras de Gaia.
  • Banded water cobra (Naja annulata annulata) at the Albuquerque BioPark Aquarium.
  • Photo: Two walking sticks (Lonchodiodes jeloces) at the Moscow Zoo.
  • Picture of a red-sided garter snake (Thamnophis sirtalis parietalis) at Reptile Gardens.
  • Picture of a common Mexican tree frog (Smilisca baudinii) at the Santa Barbara Zoo.
  • A picture of a Finlayson's squirrel (Callosciurus finlaysonii bocourti) at Singapore Zoo.
  • Photo: Flathead chub (Platygobio gracilis) at the Albuquerque BioPark Aquarium.
  • Picture of an endangered female toad mountain harlequin frog (Atelopus certus) at the Panama Amphibian Rescue and Conservation Project.
  • Photo: A Western lyre snake (Trimorphodon biscutatus), at the Phoenix Zoo.
  • Photo: South American cockroaches (Bladerus giganteus) at the Bramble Park Zoo.
  • Photo: A lowland shiner (Pteronotropis stonei) from a private collection in Knoxville, Tennessee.
  • Picture of a peaceful dove (Geopelia placida) at Healesville Sanctuary.
  • An endangered Rio Chingual Valley treefrog (Hyloscirtus pantostictus) at Pontificia Universidad Católica del Ecuador.
  • Picture of an endangered white fronted capuchin (Cebus versicolor) at the Summit Municipal Park in Gamboa, Panama.
  • Tiger rattlesnake (Crotalus tigris) at the Arizona-Sonora Desert Museum.
  • Photo: Scattered pore rope sponge, Aplysina fulva, at Gulf Specimen Marine Lab and Aquarium.
  • Picture of a white-tailed jackrabbit (Lepus townsendii townsendii) at the Wildlife Rehabilitation Center of Northern Utah.
  • Picture of a vulnerable Southern luzon phloeomys (Phloeomys cumingi) at the Plzen Zoo in the Czech Republic.
  • A marsupial frog (Gastrotheca cuencana) at a captive breeding facility in Ecuador. Formerly known as Azuay marsupial frog (Gastrotheca litonedis).
  • Photo: An African twig mantis (Popa sp.) at Aquarium Berlin.
  • A critically endangered (IUCN) and federally endangered Cuban crocodile (Crocodylus rhombifer).
  • Photo: A coconut crab (Birgus latro) from Ternate, Mollucas Island, Indonesia.
  • Photo: Honeypot ant (Myrmecocystus mexicanus) at the Bugarium at the Albuquerque BioPark.
  • 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.
  • Picture of a wedge-tailed eagle (Aquila audax audax) at the Healesville Sanctuary.
  • Photo: A bank myna (Acridotheres ginginianus) at the Plzen Zoo in the Czech Republic.
  • A Texas tortoise (Gopherus berlandieri) at the Houston Zoo.
  • Photo: A painted spiny lobster (Panulirus versicolor) at Semirara Marine Hatchery Laboratory in the Philippines.
  • Photo: A brown hoplo (Hoplosternum littorale) from a private collection in Knoxville, Tennessee.
  • Picture of a platypus (Ornithorhynchus anatinus) at the Healesville Wildlife Sanctuary.
  • Photo: Blue backed parrot (Tanygnathus sumatranus sumatranus) at Loro Parque Fundacion.
  • Photo: A striped Raphael catfish (Platydoras armatulus) at the Fish Biodiversity Lab at Auburn University.
  • A portrait of a federally endangered peregrine falcon (Falco peregrinus).
  • A vulnerable blue crane or Stanley crane (Anthropoides paradiseus) at the Gladys Porter Zoo in Brownsville, Texas.
  • Picture of a striped sea cucumber (Thyonella gemmata) at Pure Aquariums from the Gulf Specimen Marine Lab.
  • An hourglass treefrog (Dendropsophus ebraccatus) at Zoo Atlanta.
  • Photo: An Ozark madtom (Noturus albater) from the Little Red River, near Clinton, Arkansas and photographed at Conservation Fisheries.
  • Picture of a Nancy Ma's night monkey (Aotus nancymaae) at the Dallas World Aquarium.
  • A foam nesting frog (Chiromantis xerampelina) at the Phoenix Zoo.
  • Picture of a striped bark scorpion (Centruroides vittatus) at the St. Louis Zoo.
  • Picture of a Platte River caddisfly (Ironoquia plattensis) a candidate for listing under the U.S. Endangered Species Act.
  • Picture of a Cuban slider (Trachemys decussata) at the National Botanical Garden in Santo Domingo, Dominican Republic.
  • A snapping turtle (Chelydra serpentina) at Scaly Dave’s Herp Shack in Manhattan, KS.
  • Photo: An Arizona tailless whip scorpion (Paraphrynus carolynae) at Josh’s Frogs in Michigan.
  • Picture of a critically endangered male and female dama gazelle (Nanger dama ruficollis) at the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: Redfin rasbora (Rasbora rubrodorsalis) at Zoo Negara.
  • A Southeast Asian water monitor (Varanus salvator macromaculatus) at the Columbus Zoo.
  • Picture of a male and a female rainbow stag beetle, Phalacrognathus muelleri, at the Houston Zoo.
  • Pygmy marmoset (Cebuella pygmaea) at the Lincoln Children's Zoo.
  • Photo: A northern water snake (Nerodia sipedon) from a private collection.
  • Picture of a Balkan Hermann's tortoise (Testudo hermanni hermanni) at the Saint Louis Zoo.
  • Photo: A redline dwarf cichlid (Apistogramma hongsloi) at Josh’s Frogs in Owosso, Michigan.
  • Picture of a blue monkey (Cercopithecus albogularis) at the Cheyenne Mountain Zoo.
  • A Kuhl's flying gecko (Gekko kuhli) at Taman Mini Indonesia Indah.
  • Photo: Grayling (Thymallus thymallus) at the Loveland Living Planet Aquarium.
  • Picture of red Texas harvester ants (Pogonomyrmex barbatus) at the Dallas Zoo.
  • Picture of a critically endangered (IUCN) and federally endangered Sumatran rhinoceros (Dicerorhinus sumatrensis) at the Cincinnati Zoo.
  • A barred tiger salamander (Ambystoma mavortium mavortium) at the Sunset Zoo.
  • Photo: A Buffon's turaco (Tauraco persa buffoni) at The Green Planet in Dubai, United Arab Emirates.
  • Photo: A lesser black-backed gull (Larus fuscus graellsii) at Hessilhead Wildlife Rescue.
  • Picture of Sven, a sand cat (Felis margarita) at the Chattanooga Zoo.
  • Picture of a badger (Taxidea taxus) at Wildlife Images, an animal rehabilitation center near Merlin, OR.
  • Picture of panther chameleons, Furcifer pardalis--Ambilobe locality, at the Dallas World Aquarium.
  • Photo: A Cameroon dark stripe snail (Limicolaria numidica) at Aquarium Berlin.
  • Picture of a vulnerable Antipodes Island parakeet (Cyanoramphus unicolor) at the Kiwi Birdlife Park in Queenstown, New Zealand.
  • A Fea's viper (Azemiops feae) at the St. Louis Zoo.
  • Photo: Adult Longfin smelt (Spirinchus thaleichthys) at the Fish Conservation and Culture Lab in Byron, CA at UC Davis.
  • Picture of a green aracari (Pteroglossus viridis) at the Lowry Park Zoo.
  • An endangered (IUCN) Golfodulcean poison frog (Phyllobates vittatus) from a private collection.
  • Photo: A pair of four-week-old old Asian leopard cats, (Prionailurus bengalensis bengalensis). These two were found abandoned by their mother a couple days ago in a burning field and brought to the Angkor Centre for Conservation of Biodiversity (ACCB), a wildlife rehab center in Siem Reap, Cambodia.
  • Photo: An endangered lowland anoa (Bubalus depressicornis) at Taman Safari in Bogor, West Java, Indonesia.
  • A western slimy salamander (Plethodon albagula) at the Tulsa Zoo, Tulsa, Oklahoma.
  • Photo: A Rathke’s woodlouse (Trachelipus rathkii) photographed at Josh’s Frogs in Owosso, Michigan.
  • Picture of a red-fronted brown lemur (Eulemur rufifrons) at the Plzen Zoo in the Czech Republic.
  • 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: An Eurasian jay (Garrulus glandarius glandarius) from a private collection in Choussy, France.
  • Picture of a common octopus (Octopus vulgaris) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: An endangered mountain tapir (Tapirus pinchaque) at the LA Zoo.
  • Photo: A critically endangered Javan pied myna (Gracupica contra jalla) at Jurong Bird Park.
  • Photo: Thorny walking sticks (Trachyaretaon brueckneri) at the Exmoor Zoo.
  • A male painted bunting (Passerina ciris) at the Brown Ranch in Texas. (IUCN: Near Threatened)
  • Photo: Utah chub (Gila atraria) at the Loveland Living Planet Aquarium in Draper, UT.
  • Photo: A European black widow (Latrodectus tredecimguttatus) at Museum of Nature South Tyrol.
  • Photo: A mangrove killifish (Kryptolebias marmoratus) from a private collection in Knoxville, Tennessee.
  • A female gray fox (Urocyon cinereoargenteus floridanus), This fox was taken to St. Francis Wildlife Association, a wildlife rescue center near Quincy, Florida, after it had been hit by a car.
  • A southern walleye (Sander vitreus vitreus) at the Genoa National Fish Hatchery.
  • Photo: Tomato clownfish (Amphiprion frenatus) at the Oklahoma City Zoo.
  • Picture of a Hogchoker (Trinectes maculatus) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: Southern field cricket (Gryllus bimaculatus) at the Moscow Zoo.
  • Photo: Bigmouth shiner (Notropis dorsalis) at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • Photo: A Magellanic owl (Bubo magellanicus) at the Zoológico Nacional de Chile (Chilean National Zoo).
  • Picture of a masked cardinal (Paroaria nigrogenis) at the National Aviary breeding center in Palmar, Colombia.
  • Photo: A Sulawesi white-collared kingfisher (Todiramphus chloris chloris) at the San Diego Zoo.
  • A giant panda (Ailuropoda melanoleuca) at Zoo Atlanta. This endangered (IUCN) and federally endangered species is native to China.
  • Zulia's toad-headed turtle (Mesoclemmys zuliae) at Wroclaw Zoo. This species is listed as vulnerable by IUCN.
  • A laughing kookaburra (Dacelo novaeguineae) at the Denver Zoo, Denver, Colorado.
  • Photo: Green oropendola (Psarocolius viridis) in Choussy, France.
  • Photo: A Mandarin trinket snake (Euprepiophis mandarinus) at Safari Park Dvur Kralove.
  • Photo: A De Brazza’s monkey (Cercopithecus neglectus) at the Fort Wayne Children’s Zoo in Fort Wayne, Indiana.
  • Picture of a possibly extinct Bachman's warbler (Vermivora bachmanii) at Tall Timbers Research Station and Land Conservancy.
  • Photo: A female, vulnerable red-crowned parakeet (Cyanoramphus novaezelandiae) named 'Gidget'.
  • A young female snowy owl (Bubo scandiacus).
  • European barn swallow (Hirundo rustica) from the Budapest Zoo.
  • Photo: Rainbow trout (Oncorhynchus mykiss) at East Bay Regional Park District.
  • Photo: Male Baw Baw frog (Philoria frosti) at the Melbourne Zoo. This frog critically-endangered.
  • Photo: A male Western grey kangaroo (Macropus fuliginosus melanops) at Tierpark Berlin.
  • Photo: Speckled sanddab (Citharichthys stigmaeus) at East Bay Regional Park District.
  • Western toad (Anaxyrus boreas) at the Sunriver Nature Center in Deschutes County, OR.
  • A common waxbill (Estrilda astrild occidentalis) from Bioko Island, Equatorial Guinea.
  • Picture of a Hartlaub's duck (Pteronetta hartlaubii) at Sylvan Heights Bird Park.
  • Photo: Andean cock-of-the-rock (Rupicola peruviana sanguinolenta) at the Dallas World Aquarium.
  • Picture of a California sea hare (Aplysia californica) at the REEF, at the University of California, Santa Barbara.
  • Photo: The dead insect collection at the Houston Zoo. Zoo staff keep the insects that pass away here in a freezer for two reasons: they need to prove to the USDA that the insects they keep match their inventories, and also to wow school kids on tours.
  • Photo: An endangered Nichol turk's head cactus (Echinocactus horizonthalonius var. nicholii) at the Arizona Sonora Desert Museum, Tucson, Arizona.
  • Photo: A male Ugandan kob (Kobus kob thomasi) at the San Diego Zoo Safari Park in Escondido, California.
  • Photo: Mountain patch-nosed snake (Salvadora grahamiae grahamiae) at the Arizona-Sonora Desert Museum.
  • Photo: A one-toed amphiuma (Amphiuma pholeter) at the Oklahoma Aquarium.
  • Photo: A cordilleran parakeet (Psittacara frontatus minor) at Loro Parque Fundacion.
  • An endangered (IUCN) relict leopard frog (Lithobates onca) caught near the Hoover Dam. This animal's habitat has been reduced over the years substantially. Though it is a candidate species for federal protection, federal and state agencies are working to ensure that it doesn't need to be listed.
  • Citronella morph of a dyeing poison frog (Dendrobates tinctorius) from a private collection.
  • Photo: A federally endangered ten-year-old female jaguar (Panthera onca) at the Dallas World Aquarium.
  • Picture of a barnacle goose (Branta leucopsis) at the Houston Zoo.
  • Photo: A southern black flycatcher (Melaenornis pammelaina pammelaina) collected at Chitengo Camp in Gorongosa National Park.
  • Photo: Mexican kingsnake (Lampropeltis ruthveni) at the Budapest Zoo.
  • Photo: A Key Largo woodrat (Neotoma floridana) (US: Endangered) at Disney's Animal Kingdom.
  • Picture of a rose-breasted grosbeak (Pheucticus ludovicianus) at the National Aviary breeding center in Palmar, Colombia.
  • Fringe-limbed treefrog (Ecnomiohyla sp.) in Boise, Idaho
  • Photo: A blue mussel (Mytilus galloprovincialis) at the Littoral Station of Aguda in Portugal.
  • Photo: A Sindh saw-scaled viper (Echis carinatus sochureki) at the Kentucky Reptile Zoo in Slade, Kentucky.
  • New Guinea snapping turtle (Elseya novaeguineae) at the Fort Worth Zoo.
  • Photo: A fish crow (Corvus ossifragus) named Minnow, at the Tennessee Aquarium.
  • Picture of a critically endangered white-belted black-and-white ruffed lemur (Varecia variegata subcincta) at the Plzen Zoo in the Czech Republic.
  • Picture of a Mississippi kite (Ictinia mississippiensis) at the Raptor Recovery Center, Lincoln, Nebraska.
  • Photo: Utah chub (Gila atraria) at the Loveland Living Planet Aquarium in Draper, UT.
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