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 37,404-picture Photo Ark for an animal or species. Scroll down to see every species in the Ark … if you’ve got all day.

  • 11,230 species in Photo Ark as of today
    Explore the Photo Ark Search the [photoark_count]-picture Photo Ark for an animal or species.
  • 25 years to document every species in human care
  • Photo: A green winged trumpeter (Psophia viridis) at Mantenedor da Fauna Silvestre Cariuá.
  • Photo: A mountain chicken frog (Leptodactylus fallax) at Omaha's Henry Doorly Zoo.
  • An Australian freshwater crocodile (Crocodylus johnsoni) at the Omaha Zoo.
  • A female greater green leafbird (Chloropsis sonnerati) at the Sedgwick County Zoo.
  • Picture of critically endangered spider tortoises (Pyxis arachnoides arachnoides) in three phases of life (newborn, subadult and adult) at the Fort Worth Zoo.
  • Photo: Himalayan wolf, Canis lupus himalayensis, at Padmaja Naidu Himalayan Zoological Park.
  • Picture of a red-throated loon or red-throated diver (Gavia stellata) at Patuxent Wildlife Research Center.
  • A boxelder bug (Boisea trivittata).
  • A Pacific walrus (Odobenus rosmarus divergens) at Polar Adventure, a new exhibit at Ocean Park in Hong Kong.
  • Photo: Green keel-bellied lizard (Gastropholis prasina) at Urban Ark Conservation
  • Photo: Sun beetles (Pachnoda savigny), at Parco Natura Viva in Bussolengo, Italy.
  • A blue-gray gnatcatcher (Polioptila caerulea) at Fort Hood, Texas.
  • Photo: Indonesian snakehead (Channa micropeltes) at Zoo Negara.
  • A mudpuppy (Necturus maculosus) at the Genoa National Fish Hatchery.
  • Armenian viper (Montivipera raddei) at the St. Louis Zoo.
  • Seba's short-tailed fruit bat (Carollia perspicillata) at the Lincoln Children's Zoo.
  • Photo: An unidentified species of luzon freshwater crab at the University of the Philippines.
  • A critically endangered (IUCN) and federally endangered, injured Kemp's ridley sea turtle (Lepidochelys kempii) at the Gladys Porter Zoo.
  • Photo: Coho salmon (Oncorhynchus kisutch) at the Alaska SeaLife Center in Seward, AK.
  • Photo: A male guiña (Leopardus guigna guigna) from Fauna Andina in central-south, Chile.
  • Photo: A green lacewing (Chrysopa species) collected at Spring Creek Prairie near Denton, NE.
  • Picture of a dusky lory (Pseudeos fuscata) named Joey at the Dallas Zoo.
  • A rough-scaled death adder (Acanthopis rugosus).
  • A vulnerable (IUCN) Tarahumara leopard frog (Lithobates tarahumarae) at the Arizona-Sonora Desert Museum.
  • Photo: Damaraland mole rats (Fukomys damarensis) at the Houston Zoo. These burrowing rodents from sub-Saharan Africa are one of only two known eusocial mammals.
  • Photo: A juvenile Morocco lizard-fingered gecko (Saurodactylus brosseti) from a private collection.
  • A Congo caecilian (Herpele squalostoma) at the Sedgwick County Zoo in Wichita, Kansas.
  • Mallard (Anas platyrhynchos) ducklings.
  • Photo: Orange chevron tarantula (Tapinauchenius gigas) at the Moscow Zoo.
  • Martial eagle (Polemaetus bellicosus) at Tampa's Lowry Park Zoo.
  • Photo: A bumblebee tarantula (Neoholothele fasciaaurinigra) from a private collection.
  • Photo: A female fantail darter (Etheostoma flabellare) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL. This fish was collected from Butler Creek, Lauderdale County, AL.
  • Photo: A duckbill catfish (Sorubim lima) at the Oklahoma Aquarium.
  • Photo: An elegant hermit crab, Calcinus elegans, at the Blank Park Zoo in Des Moines, Iowa.
  • Photo: Baja California rat snake (Bogertophis rosaliae) at the LA Zoo.
  • Photo: A rainbow shiner (Notropis chrosomus) at Fish Biodiversity Lab, Auburn University, Auburn, Alabama.
  • Photo: A female von Höhnel's chameleon (Trioceros hoehnelii) from a private collection in St. Augustine, Florida.
  • Picture of a blue-tailed fire-bellied newt (Cynops cyanurus) at the St. Louis Zoo.
  • Photo: A kingfisher from Bioko Island, Equatorial Guinea.
  • Picture of a diablito, also known as a little devil poison frog (Oophaga sylvatica) Alto Tambo, Ecuador locality, from a private collection.
  • Picture of a green junglefowl (Gallus varius) at the San Antonio Zoo.
  • A critically endangered Florida bonneted bat (Eumops floridanus).
  • Photo: A tricolored parrot finch (Erythrura tricolor) from a private collection of Glen Holland.
  • Photo: A daddy longleg spider near Crosslake, MN.
  • Photo: A red lacewing (Cethosia biblis liacura) at Davao Butterfly House in Davao City, Philippines.
  • A white rhinoceros (Ceratotherium simum simum) at Rolling Hills Wildlife Adventure in Salina, Kansas.
  • A greater siren (Siren lacertina) at Santa Fe Community College Teaching Zoo.
  • Photo: A male Lewis silver pheasant (Lophura nycthemera lewisi) at Penang Bird Park.
  • Photo: White woodpecker (Melanerpes candidus) in Choussy, France.
  • Northern grasshopper mouse (Onychomys leucogaster) at the Omaha Zoo.
  • Photo: A speckled rattlesnake (Crotalus mitchelli pyhrrus) at Reptile Gardens.
  • Photo: Oblong turtle (Chelodina colliei) at Turtles Australia.
  • Photo: Lowland leopard frog (Lithobates yavapaiensis) at the Arizona-Sonora Desert Museum.
  • Photo: Eurasian sparrowhawk (Accipiter nisus) at the Budapest Zoo.
  • Picture of a Borneo short-tailed python (Python breitensteini) at Pet Paradise.
  • Photo: A red hake (Urophycis chuss) at the Maine State Aquarium in West Boothbay, ME.
  • Photo: A common moorhen (Gallinula chloropus chloropus) at Zoo Plzeň.
  • Picture of a Spotless stout newt (Pachytriton labiatus) at the Oklahoma City Zoo.
  • 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.
  • Photo: Flamefish (Apogon maculatus) at the Albuquerque BioPark Aquarium.
  • Photo: Shield tailed agama (Xenagama taylori) at the San Antonio Zoo
  • Photo: Shufeldtii mini crayfish (Cambarellus shufeldtii) with eggs, from a private collection.
  • Photo: European crayfish (Astacus astacus) at Alpenzoo in Innsbruck, Austria.
  • An El Cope morph of the green and black poison dart frog (Dendrobates auratus) at the Baltimore Aquarium. This animal is a descendant of the few remaining animals in El Cope National Park in Panama, where the chytrid fungus may wipe out the animal at any time.
  • An endangered Louisiana pine snake, (Pituophis ruthveni) at the Sedgwick County Zoo in Wichita, Kansas.
  • Photo: A Savi's pipistrelle (Hypsugo savii savii) at Centro Fauna Selvatica "Il Pettirosso".
  • Photo: Two elf owls (Micrathene whitneyi) at Wild At Heart in AZ.
  • Photo: A yellow-headed gecko (Gonatodes albogularis) from a private collection.
  • Photo: Giant desert centipede (Ethmostigmus rubripes) from the Melbourne Museum
  • Photo: A walleye (Sander vitreum) at the Genoa National Fish Hatchery.
  • A derbyana flower beetle (Dicronorrhina derbyana) at the St. Louis Zoo.
  • Photo: A Brazilian dwarf pink leg (Kochiana brunnipes) from a private collection.
  • Picture of a serval named Kenya (Leptailurus serval) at the Fort Worth Zoo.
  • Photo: A female slaty skimmer dragonfly (Libellula incesta) caught in the Tide Swamp Unit of Big Bend Wildlife Management Area.
  • Photo: Male banded newt (Triturus vittatus ophryticus) at the Moscow Zoo.
  • Photo: Mexican hogfish (Bodianus diplotaenia) photographed at Downtown Aquarium in Denver, Colorado.
  • Photo: Swamp milkweed leaf beetle (Labidomera clivicollis) at the Audubon Insectarium in New Orleans.
  • An endangered (IUCN) and federally endangered mountain yellow-legged frog (Rana muscosa). Population locality: San Bernardino.
  • Photo: A flower urchin (Toxopneustes pileolus) at Semirara Marine Hatchery Laboratory in the Philippines.
  • Photo: Blue crowned parakeet (Psittacara acuticaudatus haemorrhous) at Loro Parque Fundacion.
  • Photo: Bearded vulture (Gypaetus barbatus) at Parco Natura Viva.
  • A yellow-striped caecilian (Ichthyophis kohtaoensis) at the San Antonio Zoo.
  • A Southern ridge-nosed rattlesnake (Crotalus willardi meridionalis).
  • A northern tree shrew (Tupaia belangeri) named bashful at the Miller Park Zoo.
  • Photo: Madagascar giant day gecko (Phelsuma gradis) at the Sedgwick County Zoo in Wichita, Kansas.
  • Picture of a vulnerable adult female white bellied pangolin (Phataginus tricuspis) with her baby, part of Pangolin Conservation, a non-profit organization in Saint Augustine, Florida.
  • A Liguus tree snail (Liguus fasciatus) at Crocodile Lake National Wildlife Refuge, Key Largo, FL.
  • A western Mojave glossy snake (Arizona elegans candida) from a private collection.
  • Picture of a magnificent rabbitfish (Siganus magnificus) at Pure Aquariums.
  • Photo: An Indian roofed turtle (Pangshura tecta) at the Assam State Zoo cum Botanical Garden.
  • Picture of an Ida's miter (Mitra idea) at the REEF, at the University of California, Santa Barbara.
  • A pair of blue poison dart frogs (Dendrobates azureus) at Reptile Gardens.
  • Photo: A Rio Cauca caecilian or rubber eel (Typhlonectes natans) at the Detroit Zoo.
  • Photo: Hawaiian monk seal (Neomonachus schauinslandi) at the Minnesota Zoo. All were photographed under the authority of NMFS MMPA/ESA Permit No. 17967-01.
  • Photo: A Visayan hornbill (Penelopides panini panini) at the Plzen Zoo.
  • A Choctawhatchee beach mouse (Peromyscus polionotus allophrys) a federally endangered rodent, at the USFWS office in Panama City, FL. This and several other beach mice subspecies are imperiled due to beach development.
  • Photo: A great kiskadee (Pitangus sulfuratus maximiliani) at BioParque do Rio.
  • Picture of a ring-billed gull (Larus delawarensis) at the Wildlife Rehabilitation Center of Northern Utah.
  • A chaco tortoise (Chelonoidis petersi) at Zoo Atlanta.
  • Picture of a serval (Leptailurus serval) named 'Kenya' at the Fort Worth Zoo.
  • A beautiful pit viper (Trimeresurus venustus) at the Woodland Park Zoo.
  • A northern pikeminnow (Ptychocheilus oregonensis) collected from the Clark Fork River.
  • Photo: An Anzamala Madagascar swift (Oplurus fierinensis) at the Plzen Zoo in the Czech Republic.
  • Picture of a Florida waterdog (Necturus lodingi) from a private collection.
  • Photo: Atlantic canary (Serinus canaria) in Santa Cruz, Tenerife, Spain.
  • Photo: A chestnut munia (Lonchura atricapilla jagori) at Farmville de Bago, a private collection on Negros Island in the Philippines.
  • Photo: A black-naped oriole (Oriolus chinensis chinensis) on Semirara Island in the Philippines.
  • Picture of a greater flamingo (Phoenicopterus roseus) named Pauly, age 15, at the LA Zoo.
  • Photo: A great-tailed grackle (Quiscalus mexicanus prosopidicola) at Rogers Wildlife Rehabilitation in Hutchins, TX.
  • Photo: Reticulated knifefish (Papyrocranus afer) at L'aquarium tropical du palais de la Porte DorŽe.
  • Photo: Flamefish (Apogon maculatus) at the Albuquerque BioPark Aquarium.
  • Photo: A sly crayfish (Procambarus versutus) at the Fish Biodiversity Lab at Auburn University.
  • Photo: A tricolor or phantasmal dart frog (Epipediobates tricolor). The photo was taken at the National Aquarium in Baltimore.
  • A pixie frog (Pyxicephalus adspersus) at Scaly Dave's Herp Shack.
  • A nine-banded armadillo (Dasypus novemcintus) at the Tulsa Zoo, Tulsa, Oklahoma.
  • Photo: Moluccan king parrot (Alisterus amboinensis buruensis) at Loro Parque Fundacion.
  • Photo: Common stingray (Dasyatis pastinaca) at Loro Parque's aquarium in Puerto de la Cruz, Tenerife, Spain
  • Picture of a short-eared owl (Asio flammeus domingensis) at the Parque Zoologico Nacional in Santo Domingo, Dominican Republic.
  • A cotton-top tamarin (Saguinus oedipus) at the Rolling Hills Wildlife Adventure. (IUCN: Endangered)
  • Photo: A Northern pipefish (Syngnathus fuscus) at the Virginia Aquarium.
  • European white stork (Ciconia ciconia ciconia) at the Lincoln Children's Zoo.
  • Picture of a blue spotted jawfish (Opistognathus rosenblatti) at Nebraska Aquatic Supply.
  • Photo: An African bullfrog (Oyxicephalus adspersus) at Reptile Gardens.
  • Photo: Princess bee shrimp (paracaridina sp. hai-vai) from a private collection.
  • Picture of a striped poison-fang blenny (Meiacanthus grammistes) at the Omaha Henry Doorly Zoo and Aquarium.
  • Photo: Moustached parakeets, Psittacula alexandri dammermani, at Loro Parque Fundacion.
  • Picture of a lesser snow goose (Chen caerulescens caerulescens) at Sylvan Heights Waterfowl Park.
  • Photo: Texas toad (Bufo speciosus) at the San Antonio Zoo.
  • Photo: An Australian sea apple (Pseudocolochirus axiologus) at the Dallas World Aquarium.
  • Picture of a vulnerable Southern ground hornbill (Bucorvus leadbeateri) from Parc des Oiseaux.
  • Picture of an emerald tree skink (Lamprolepis smaragdina) at the Virginia Zoo.
  • Photo: A northern short-tailed shrew (Blarina brevicauda) at Nebraska Wildlife Rehab.
  • Photo: A western burrowing owl (Athene cunicularia hypugaea) at Wild At Heart in AZ.
  • A wartyskin frogfish (Antennarius maculatus) at the Monterey Bay Aquarium.
  • A two-week-old, critically endangered (IUCN) Arakan forest turtle (Heosemys depressa) at Zoo Atlanta.
  • Photo: Barrier Reef anemonefish (Amphiprion akindynos) photographed at Downtown Aquarium in Denver, Colorado.
  • Photo: A Venezuelan sun tiger (Psalmopoeus irminia) at Omaha's Henry Doorly Zoo
  • A striped owl (Asio clamator forbesi) at Parque Jaime Duque near Bogota, Colombia.
  • Picture of a banded sculpin (Cottus carolinae) collected in Cherokee County, Oklahoma, at the Oklahoma City Zoo.
  • Picture of a Hosmer's spiny-tailed skink (Egernia hosmeri) from the Tulsa Zoo.
  • Male bees (Bombus sp.) swarm around sunflowers at Branched Oak Lake.
  • A female greater green leafbird (Chloropsis sonnerati) at the Sedgwick County Zoo.
  • Plains leopard frog (Lithobates blairi) at Fenton Farm.
  • Picture of a federally endangered New Zealand pigeon (Hemiphaga novaeseelandiae) at the Auckland Zoo.
  • Photo: Damselfly larvae (Coenagrionidae argia) at Ash Meadows National Wildlife Refuge near Pahrump, NV.
  • A Texas tortoise (Gopherus berlandieri) at the Houston Zoo.
  • Photo: An endangered salem ornamental tarantula (Poecilotheria formosa) at the Moscow Zoo.
  • Photo: Southern bent-winged bat (Miniopterus orianae bassanii) at Victoria, Australia.
  • Photo: An American bullfrog (Lithobates catesbeianus) at the Schramm Education Center near Gretna, NE. This specimen is axanthic, meaning it lacks yellow pigment.
  • Photo: A stick insect (Sipyloidea cf moorii) at the University of the Philippines.
  • Von der Decken's hornbill (Tockus deckeni) at Tampa's Lowry Park Zoo. The male has an orange beak, while the female has a black beak.
  • Photo: A Pacific cod (Gadus macrocephalus) at the Alaska SeaLife Center.
  • Photo: A pair of elegant quails (Callipepla douglasii) at a private facility.
  • A coyote (Canis latrans) at the Great Plains Zoo.
  • A male mimic poison frog (Ranitomeya imitator) with a single tadpole on his back, from a private collection.
  • Photo: A Kotsovato cichlid (Paretroplus kieneri) at Plzen Zoo in the Czech Republic.
  • Picture of a silk worm (Bombyx mori) coccoon with a dead pupae next to it.
  • Picture of Clark's anemonefish (Amphiprion clarkii) at Pure Aquariums.
  • Photo: Greater blue-eared starling (Lamprotornis chalybaeus) in Choussy, France.
  • Photo: Aesculapian ratsnake (Zamenis longissimus) at Wroclaw Zoo.
  • Photo: A juvenile red-footed booby (Sula sula) at Houston SPCA’s Wildlife Center of Texas.
  • Critically endangered (IUCN) and federally endangered Cumberlandian combshell (Epioblasma brevidens) taken from the Clinch River near Sneedville. They have ball lures on top that are used to attract fish to come near. When a fish strikes at the lures, the freshwater mussels then eject their larvae into the fish's gills and are able to increase their distribution that way.
  • Florida corn/rat snake (Pantherophis guttatus) at the Conservancy of Southwest Florida in Naples, Florida.
  • Photo: A superb fruit dove (Ptilinopus superbus superbus) at the Plzen Zoo.
  • Picture of a poison goby (Gobiodon citrinus) at the Loveland Living Planet Aquarium.
  • A yellow-legged gull (Larus michahellis michahellis) at the Wildlife Rescue Center of Rome (LIPU).
  • A Sabah stick insect (Aretaon asperrimus) at the Rolling Hills Wildlife Adventure.
  • Photo: Bottlebrush crayfish, Barbicambarus cornutus, at the Crayfish lab in West Liberty University in West Liberty, WV. This specimen is from Baron Creek, TN.
  • An endangered (IUCN) Golfo Dulcean poison frog (Phyllobates vittatus) from a private collection.
  • Photo: A critically endangered, male WaldenÕs hornbill, Rhabdotorrhinus waldeni, at Talarak Foundation.
  • A federally endangered Karner blue butterfly (Lycaeides melissa samuelis) at the Toledo Zoological Gardens.
  • A flying fox fish (Epalzeorhynchos kalopterus) at Conservation Fisheries in Knoxville, Tennessee
  • Photo: An orangetail shiner (Pteronotropis merlini) from a private collection in Knoxville, Tennessee.
  • Photo: A critically endangered, female black bearded saki (Chiropotes satanas) at Fundacao Jardim Zoologico de Brasilia.
  • A federally endangered Bocaccio rockfish (Sebastes paucispinis) at East Bay Regional Park District.
  • Photo: Sri Lankan pit viper, Trimeresurus trigonocephalus, at the Oklahoma City Zoo.
  • Federally endangered Kootenai River white sturgeon (Acipenser transmontanus) at the Kootenai Tribal Hatchery in Idaho.
  • Picture of a veiled chameleon (Chamaeleo calyptratus) at the Rolling Hills Wildlife Adventure.
  • Photo: A mole salamander (Ambystoma talpoideum) from a private collection.
  • Photo: Indian rock python (Python molurus molurus) at Kamla Nehru Zoological Garden, Ahmedabad, India.
  • A critically endangered black and white ruffed lemur (Varecia variegata) at the Lincoln Children's Zoo.
  • Photo: Razor-billed curassow (MItu tuberosum) at Melbourne Zoo.
  • Photo: Sleeper gold head goby (Valenciennea strigata) at Pure Aquariums.
  • Photo: A male striped fishing spider (Dolomedes scriptus) from the University of Nebraska-Lincoln.
  • Photo: A azure jay (Cyanocorax coeruleus) at BioParque do Rio.
  • A critically endangered (IUCN) and federally endangered Sumatran tiger (Panthera tigris ssp. sumatrae) at the Miller Park Zoo.
  • 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.
  • An endangered flat-tailed day gecko (Phelsuma serraticauda) at the Houston Zoo.
  • Photo: A Leisler's bat (Nyctalus leisleri) at Wildwood Trust near Canterbury, England.
  • Photo: A tadpole (species unknown) collected near Pilalo, Ecuador.
  • A beautiful pit viper (Trimeresurus venustus) at the Woodland Park Zoo.
  • Picture of an endangered Alabama waterdog (Necturus alabamensis) at the Cincinnati Zoo.
  • Photo: A Spix’s horned treefrog (Hemiphractus scutatus) at Balsa de los Sapos.
  • Photo: A speckled chachalaca (Ortalis guttata subaffinis) at BioParque do Rio.
  • Picture of a keyhole sand dollar (Mellita quinquiesperforata) at Gulf Specimen Marine Lab and Aquarium.
  • Picture of a wood duck (Aix sponsa) at the Lincoln Children's Zoo.
  • An land leech (Haemadipsa zeylanica agilis) at Cuc Phuong National Park, Vietnam.
  • Photo: A female Cuban green anole (Anolis porcatus) from a private collection.
  • Photo: Juvenile Longfin smelt (Spirinchus thaleichthys) at the Fish Conservation and Culture Lab in Byron, CA at UC Davis.
  • Photo: Single wattled cassowary (Casuarius unappendiculatus unappendiculatus) at the Avilon Zoo.
  • Photo: An eastern steppe eagle (Aquila nipalensis nipalensis) at the Assam State Zoo cum Botanical Garden.
  • Photo: Two RiedelÕs eclectus parrots, Eclectus roratus riedeli, at Loro Parque Fundacion.
  • Photo: Bank vole (Clethrionomys glareolus) at the A.N. Severtsov Institute of Ecology and Evolution Russian Academy of Science.
  • An endangered African white-backed vulture (Gyps africanus) at the Cleveland Metroparks Zoo.
  • Picture of a black-headed caique (Pionites melanocephalus) at the National Aviary of Colombia.
  • Photo: A gag (Mycteroperca microlepis) at the Virginia Aquarium.
  • Photo: Common kestrel (Falco tinnunculus) from the Budapest Zoo.
  • Picture of a male ashy-headed goose, Chloephaga poliocephala, at Sylvan Heights Bird Park.
  • Photo: A tropical screech owl (Megascops choliba crucigerus) at Parque Jaime Duque near Bogota, Colombia.
  • Photo: A largescale sucker (Catostomus macrocheilus) from Mores Creek, Idaho.
  • Photo: Spot-handed crayfish (Orconectes punctimanus) from the wild.
  • Photo: Great sculpin (Myoxocephalus polyacanthocephalus) at the Alaska SeaLife Center in Seward, AK.
  • Photo: A male painted bunting (Passerina cris) captured at the Brown Ranch, Texas.
  • Madagascar glass frog (Boophis luteus) from a private collection.
  • Photo: Common batwing (Atrophaneura varuna varuna) at Malacca Butterfly and Reptile Sanctuary.
  • A corn snake (Elaphe guttata guttata) at the Kansas City Zoo.
  • A yellow-knobbed curassow (Crax daubentoni) at the Houston Zoo.
  • Photo: A juvenile red-footed booby (Sula sula) at Houston SPCA’s Wildlife Center of Texas.
  • Photo: Senegal bichir (Polypterus senegalus) at L'aquarium tropical du palais de la Porte DorŽe.
  • Southeast Asian softshelled turtle (Amyda cartilaginea) a vulnerable species at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: Colombian chachalaca (Ortalis columbiana) at Piscilago in Bogota, Colombia.
  • An endangered (IUCN) and federally endangered pied tamarin (Saguinus bicolor) at the Cleveland Metroparks Zoo.
  • Photo: A white-rumped shama (Kittacincla malabarica omissa) at Taman Mini Indonesia Indah.
  • A black-winged kite (Elanus caeruleus caeruleus) at Parque Biologico.
  • Photo: A vulnerable banded palm civet (Hemigalus derbyanus) named Yala at the Cincinnati Zoo. Yala means "go" in Arabic, the keepers said, which is appropriate because this creature moved like greased lighting.
  • Photo: Giant garter snake (Thamnophis gigas) at the Sacramento Zoo. This is a federally-threatened species.
  • Malaysian horned leaf frog (Megophrys nasuta) from a private collection.
  • Photo: A mountain peacock-pheasant, Polyplectron inopinatum, at the Blank Park Zoo in Des Moines, Iowa.
  • Photo: An austral parakeet, Enicognathus ferrugineus, at Loro Parque Fundacion.
  • Picture of a yellow-hooded blackbird (Chrysomus icterocephalus) at the National Aviary breeding center in Palmar, Colombia.
  • Picture of a satin bowerbird (Ptilonorhynchus violaceus) at Healesville Sanctuary.
  • A Mexican rosy boa (Lichanura trivirgata trivirgata) at the Indianapolis Zoo.
  • Picture of an emerald dove (Chalcophaps indica chrysochlora) at the Wellington Zoo
  • Photo: A European siskin (Spinus spinus) at Parque Biologico.
  • A northern flying squirrel (Glaucomys sabrinus) (three months old, male) at Wildlife Images, a rehabilitation center near Merlin, OR.
  • Yellow-backed morph of a dyeing poison frog (Dendrobates tinctorius) from a private collection.
  • Picture of a bearded barbet (Lybius dubius) at the Houston Zoo.
  • A critically endangered Lord Howe Island stick insect (Dryococelus australis) at the Melbourne Zoo.
  • A Mandarin emperor newt (Tylototriton shanjing) at the Cheyenne Mountain Zoo.
  • A sturgeon chub (Macrhybopsis gelida).
  • Picture of a white-faced ibis (Plegadis chihi) named Gonzo at The Living Desert in Palm Desert, California.
  • Photo: A diamond dove (Alopecoenas xanthonura) at Healesville Sanctuary.
  • A razorback musk turtle (Sternotherus carinatus) from a private collection.
  • Photo: A critically endangered female cichlid (Pseudotropheus saulosi) from a private collection.
  • Photo: Blow fly (Calliphora vomitoria) at the Audubon Insectarium.
  • Picture of a black widow spider (Latrodectus mactans) at Reptile Gardens.
  • Juvenile mink (Neovison vison).
  • A federally endangered parma wallaby (Macropus parma) at the Cleveland Metroparks Zoo.
  • Picture of a Townsend's big-eared bat (Corynorhinus townsendii) at the Sulphur Creek Nature Center.
  • Picture of a Rankin's dragon (Pogona henrylawsoni) from a private collection.
  • Picture of female Himalayan wolves (Canis lupus himalayensis) at the Padmaja Naidu Himalayan Zoological Park, in Darjeeling, India.
  • Japanese pond turtle (Mauremys japonica) at the Tennessee Aquarium.
  • A lesser kudu (Ammelaphus imberbis) at Zoo Atlanta.
  • Picture of common pochard ducks (Aythya ferina) at Sylvan Heights Bird Park.
  • An endangered (IUCN) and federally endangered Mount Graham red squirrel, Tamiasciurus hudsonicus grahamensis. This animal, named Lizzie, is one of only two captive animals of this species. She was brought in to the museum as an orphan along with a male squirrel, by USFWS, in 2004. There are now fewer than 100 MGRS living in the wild, making this one of the rarest mammals in North America.
  • Photo: Florida strain of brown bullhead (Ameiurus nebulosis) at East Bay Regional Park District.
  • Photo: A Bonelli’s eagle (Aquila fasciata fasciata) at Sia, the Comanche Nation Ethno-Ornithological Initiative.
  • Green and black poison dart frog, Panama morph (Dendrobates auratus) from a private collection.
  • Gray comma (Polygonia progne) from a mix of prairie and woodlands near Cross Lake, Minnesota.
  • Picture of a federally endangered female turquoise parrot (Neophema pulchella) at Healesville Sanctuary.
  • Photo: China cockle (Trachycardium egmontianum) from Gulf Specimen Marine Laboratories.
  • A yellow-headed gecko (Gonatodes albogularis) from a private collection.
  • Photo: A black piranha (Serrasalmus rhombeus) at Shark Reef Aquarium at Mandalay Bay, Las Vegas, NV.
  • Picture of a Pacific littleneck clam (Protothaca staminea) at the Alutiiq Pride Shellfish Hatchery in Seward, AK.
  • A captive, five-month-old mandrill (Mandrillus sphinx) in Malabo, Equatorial Guinea. (IUCN: Vulnerable)
  • Picture of a critically endangered (IUCN) and federally endangered Vancouver Island marmot, Marmota vancouverensis, at the Toronto Zoo.
  • A critically endangered Indochinese box turtle (Cuora galbinifrons) at the Tennessee Aquarium.
  • Picture of a Jewel fish (Hemichromis letourneuxi) at the U.S. Geological Survey Southeast Science Center.
  • Photo: A female reticulated siren (Siren reticulata) at Joe Budd Wildlife Management Area near Quincy, FL.
  • Photo: A hingeback tortoise (Kinixys homeana) from the Rolling Hills Wildlife Adventure.
  • Photo: Blue crowned lorikeet (Vini australis) at Loro Parque Fundacion.
  • Photo: A red junglefowl (Gallus gallus jabouillei) at Zoo Plzeň.
  • Photo: June Beetle (Cotinis nitida) at the Cincinnati Zoo.
  • Picture of a Texas millipede (Orthoporus texicolens) at the Topeka Zoo.
  • Photo: A juvenile banded newt (Ommatotriton nesterovi) from a private collection.
  • Photo: A western pygmy rattlesnake (Sistrurus miliarius streckeri) at the Pontotoc Ridge Preserve near Connerville, OK.
  • Picture of a vulnerable (IUCN) and federally threatened Florida scrub jay (Aphelocoma coerulescens).
  • Photo: Tarantula (Cyriocosmus leetzi) at the Toronto Zoo.
  • Photo: A side neck turtle (Elseya schultzei) in Jakarta, Indonesia in the care of PT. Alam Nusantara Jayatama.
  • A giant panda (Ailuropoda melanoleuca) at Zoo Atlanta. This endangered (IUCN) and federally endangered species is native to China.
  • Picture of a Marigold lorikeet (Trichoglossus capistratus) named Linguini at the Dallas Zoo.
  • Photo: Carmen, an Ameraucana chicken/American chicken.
  • Photo: Gerenuk juveniles (Litocranius walleri) at the White Oak Conservation Center.
  • Picture of a critically endangered (IUCN) and a federally endangered female eastern black rhino (Diceros bicornis michaeli) named Imara at the Great Plains Zoo.
  • A golden stag beetle (Odontolabis femoralis) at the Houston Zoo.
  • A ring-tailed cat (Bassariscus astutus) at the Fort Worth Zoo.
  • Picture of the last known critically endangered Rabbs' fringe-limbed tree frog (Ecnomiohyla rabborum) at the Atlanta Botanical Garden.
  • Picture of a juvenile glaucous-winged gull/western gull hybrid (Larus glaucescens x Larus occidentalis) at the Santa Barbara Wildlife Care Network.
  • Photo: A bay pipefish, Syngnathus leptorhynchus, at the Alaska SeaLife Center
  • Photo: A green toad (Bufo viridis or Pseudepidalea virdis) at the Audubon Aquarium in New Orleans.
  • A critically endangered (IUCN) and federally endangered Philippine crocodile (Crocodylus mindorensis) at the Gladys Porter Zoo.
  • A male brown-headed cowbird (Molothrus ater) at the San Antonio Zoo.
  • A red-billed blue magpie (Urocissa erythrorhyncha erythrorhyncha) at the Houston Zoo.
  • A critically endangered (IUCN) and federally endangered Philippine crocodile (Crocodylus mindorensis) at the Gladys Porter Zoo.
  • A critically endangered Chinese giant salamander (Andrias davidianus) at Zoo Atlanta, Atlanta, Georgia.
  • Picture of a marsh fiddler crab (Uca virens) at Pure Aquariums from the Gulf Specimen Marine Lab.
  • Photo: An extinct Passenger pigeon (Ectopistes migratorius) at the University of Nebraska State Museum.
  • A red-eyed tree frog (Agalychnis callidryas) at the Sunset Zoo in Manhattan, Kansas.
  • Photo: Skeleton tarantula (Ephebopus murinus) at the Bugarium at the Albuquerque BioPark.
  • Photo: A male Persian pheasant (Phasianus colchicus persicus) at the Plzen Zoo.
  • Picture of harlequin ducks, Histrionicus histrionicus, at Sylvan Heights Bird Park.
  • Black pine snake ( Pituophis melanoleucus lodingi ) at the Denver zoo.
  • Photo: A Parson's chameleon, Calumma parsonii cristifer, from a private collection.
  • Photo: A male red-tailed black cockatoo (Calyptorhynchus banksii banksii) at Jurong Bird Park, of Wildlife Reserves Singapore.
  • Photo: Wood scorpion (Cercophonius squama) at the Singapore Zoo.
  • An Ozark zigzag salamander (Plethodon angusticlavius) at Missouri State University, Springfield, Missouri.
  • Photo: A pair of Hawaiian hawks or 'io (Buteo solitarius) at Sia, the Comanche Nation Ethno-Ornithological Initiative.
  • An adult female wolf spider (Hogna helluo).
  • Centralian python (Morelia bredli) at the Omaha Zoo.
  • Photo: A scrawled filefish (Aluterus scriptus) at Gulf Specimen Aquarium in Panacea, FL.
  • A blue-sided garter snake (Thamnophis similis similis) at the Lowry Park Zoo in Tampa, FL.
  • Photo: Zebra finches (Taeniopygia castanotis) at the Plzen Zoo.
  • Ouachita madtoms (Noturus lachneri) at Conservation Fisheries, a native stream fish breeding center in Knoxville. This is a rare stream fish that has a limited range in Arkansas and is listed as endangered on the IUCN Red List, but it still isn’t listed under the ESA.
  • Photo: A black and white hawk eagle (Spizaetus melanoleucus) at SIA, the Comanche Nation Ethno-Ornithological Initiative.
  • Photo: Asian grass lizard (Takydromus sexlineatus) from a private collection.
  • An Azure-winged magpie (Cyanopica cookii) at Parque Biologico.
  • Sonoran green toad (Anaxyrus retiformis) at the Arizona-Sonora Desert Museum.
  • Photo: An eastern forktail damselfly (Ischnura verticalis) at Spring Creek Prairie Audubon Center near Denton, NE.
  • A West African dwarf crocodile (Osteolaemus tetraspis tetraspis) at the Lincoln Children's Zoo. This species is federally endangered and listed as vulnerable on IUCN.
  • Photo: A Kirtland's warbler or Jack pine warbler (Setophaga kirtlandii) near Mio, Michigan.
  • Photo: Two emperor penguins (Aptenodytes forsteri) at SeaWorld San Diego.
  • Photo: A prickly gecko (Heteronotia binoei) at Omaha's Henry Doorly Zoo.
  • Photo: A black pine snake (Pituophis lodingi)
  • Photo: Allegheny mudbug (Cambarus monongalensis) from the wild.
  • Photo: Yellow faced Amazon, Alipiopsitta xanthops, at Loro Parque Fundacion.
  • Photo: A cordilleran parakeet (Psittacara frontatus minor) at Loro Parque Fundacion.
  • A critically endangered (IUCN) and federally endangered Philippine crocodile (Crocodylus mindorensis) at the Gladys Porter Zoo.
  • Photo: Walking stick (Orxines xiphias) from the Plzen Zoo in the Czech Republic.
  • Photo: A grass snake, Natrix natrix, at the Plzen Zoo.
  • Photo: A juvenile black hornbill (Anthracoceros malayanus) at the Jurong Bird Park.
  • The greater yellow-headed vulture (Cathartes melambrotus) at the Sedgwick County Zoo in Wichita, Kansas.
  • An Ozark zigzag salamander (Plethodon angusticlavius) at Missouri State University, Springfield, Missouri.
  • Picture of a sea buscuit (Clypeaster subdepressus) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: Bulls-eye poison dart frog (Oophaga (Dendrobates) histrionicus) at the National Aquarium in Baltimore.
  • Picture of two vulnerable (IUCN) and federally endangered Nene geese (Branta sandvicensis) at Great Plains Zoo, leaning forward.
  • An ashy-faced owl (Tyto glaucops glaucops) at Parque Zoologico Nacional, the zoo in Santo Domingo, Dominican Republic.
  • Photo: African golden oriole (Oriolus auratus) in Choussy, France.
  • Photo: Two batman bugs or Moapa Warm Springs naucorid (Limnocoris moapensis) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.
  • Fischer's chameleon (Kinyongia fischeri) at the Omaha Zoo.
  • 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 critically endangered (IUCN) and federally endangered hawksbill turtle (Eretmochelys imbricata) at the XCaret Resort in Mexico.
  • Photo: A tadpole physa (Physa gyrina) at Cedar Point Biological Station.
  • Photo: A Northern studfish (Fundulus catenatus) from a private collection in Knoxville, Tennessee.
  • Photo: Madagascar sacred ibis (Threskiornis bernieri) at PBZT, the Parc Botanique Et Zoologique de Tsimbazaza.
  • A cape teal (Anas capensis) Omaha's Henry Doorly Zoo and Aquarium.
  • Black tailed prairie dog (Cynomys ludovicians) at the Sedgwick County Zoo.
  • Photo: Reticulated knifefish (Papyrocranus afer) at L'aquarium tropical du palais de la Porte DorŽe.
  • Photo: A big-headed turtle (Platysternon megacephalum shiui) from Asia at the Sedgwick County Zoo.
  • Photo: A North American ruddy duck (Oxyura jamaicensis jamaicensis) at the Columbus Zoo.
  • Photo: A calisto batesi butterfly (Calisto bates) at the National Botanical Garden in Santo Domingo, Dominican Republic.
  • Photo: Loach minnow (Rhinichthys cobitis) at the Aquatic Research and Conservation Center.
  • Schneider's skink (Eumeces schneideri schneideri) at Scaly Dave's Herp Shack.
  • Photo: An African chaffinch (Fringilla coelebs africana) at Zoo Plzeň.
  • Picture of an endangered pileated gibbon with her eight-month-old infant (Hylobates pileatus) at the Gibbon Conservation Center
  • A gopher tortoise (Gopherus polyphemus) a vulnerable (IUCN) and federally threatened species at Zoo Atlanta.
  • Photo: Central mudminnow (Umbra limi) at the University Lab at the University of Minnesota in St. Paul.
  • Photo: A European earwig, Forficula auricularia, at A Rocha Brooksdale Environmental Center in Surrey, BC.
  • Photo: A palm cockatoo (Probosciger aterrimus) at the Sedgwick County Zoo.
  • A Western slimy salamander (Plethodon glutinosus grobmani) from a private collection.
  • A bluestripe garter snake (Thamnophis sirtalis similis) in Gainesville, Florida.
  • Gopher frog (Lithobates capito) at the Lowry Park Zoo in Tampa, FL.
  • Picture of a blue spiny lizard (Sceloporus serrifer cyanogenys) at the Indianapolis Zoo.
  • Photo: A wild caught unidentified crab spider from Mt. Makiling forest in Luzon, Philippines.
  • Photo: A timber rattlesnake (Crotalus horridus horridus) at Reptile Gardens.
  • Photo: A Gulf Coast spiny softshell turtle (Apalone spinifera aspera) at the Sedgwick County Zoo in Wichita, Kansas.
  • Photo: A Chilean lapwing (Vanellus chilensis chilensis) at Unidad de Rehabilitación de Fauna Silvestre.
  • Photo: A western tarsier (Cephalopachus bancanus bancanus) at Ragunan Zoo in Jakarta, Indonesia.
  • Picture of a zebra paper wasp (Polistes exclamans) at the Dallas Zoo.
  • Photo: Bronze Mabuya (Eutropis macularia) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.
  • Photo: A Boehme's giant day gecko (Phelsuma madagascariensis boehmei) at the Plzen Zoo.
  • Picture of a red spitting cobra (Naja pallida) at the Dallas Zoo.
  • A pleasing fungus beetle (Megalodacne fasciata) at the Insectarium in New Orleans, Louisiana.
  • A federally endangered Karner blue butterfly, Lycaeides melissa samuelis, emerges from pupae.
  • A critically endangered Florida bonneted bat (Eumops floridanus).
  • A great grey owl (Strix nebulosa nebulosa) at the New York State Zoo.
  • Photo: A fantail darter (Etheostoma flabellare) at the West Liberty University Crayfish Conservation Lab in West Liberty, West Virginia.
  • Picture of a juvenile Mississippi kite (Ictinia mississippiensis) at the WildCare Foundation.
  • Photo: Small five-toed jerboa (Allactaga elater) at the Moscow Zoo.
  • Picture of a Perdido Key beach mouse (Peromyscus polionotus trissyllepsis) a federally-endangered rodent, at the Univ. of South Carolina.
  • 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: Female Andean cock-of-the-rock (Rupicola peruviana sanguinolenta) at the Dallas World Aquarium.
  • Picture of a vulnerable Chinese goral (Naemorhedus griseus arnouxianus) at the Oklahoma City Zoo.
  • Picture of an opossum (Didelphis virginiana) with babies.
  • Photo: A little egret (Egretta garzetta) at the Plzen Zoo.
  • Photo: Malie, an endangered, 12-yr-old Australian sea lion (Neophoca cinerea) at the Taronga Zoo.
  • Photo: Assassin snail (Clea helena) at Shrimp Fever, from a private collection.
  • Picture of a Keel-billed toucan (Ramphastos sulfuratus) at Tracy Aviary.
  • Photo: A female European bison (Bison bonasus) Parco Natura Viva in Bussolengo, Italy.
  • Photo: A Gelada baboons (Theropithecus gelada) at Parco Natura Viva in Bussolengo, Italy.
  • Picture of a juvenile fringe tree frog (Cruziohyla craspedopus) from the Atlanta Botanical Gardens.
  • Photo: A female lineated pheasant (Lophura leucomelanos lineata) at a private collection.
  • Photo: An Island day gecko (Phelsuma nigristriata) at the Plzen Zoo.
  • Photo: Eastern casquehead iguana, Laemanctus longipes, at the Plzen Zoo.
  • Picture of a Mexican kingsnake (Lampropeltis mexicana mexicana) at the Knoxville Zoo.
  • Picture of a moustached monkey (Cercopithecus cephus cephus) at the LA Zoo.
  • Picture of a Northern cleaner shrimp (Lysmata amboinensis) at Pure Aquariums.
  • Photo: Yellow faced Amazon, Alipiopsitta xanthops, at Loro Parque Fundacion.
  • A male white-spotted glass frog or white-spotted cochran frog (Sachatamia albomaculata), a species native to Panama and Central America, at Zoo Atlanta.
  • A four-toed salamander (Hemidactylium scutatum) at the Toledo Zoo, Toledo, Ohio.
  • A North American river otter (Lontra canadensis) at the Lincoln Children's Zoo, Lincoln, Nebraska.
  • Picture of a vermilion cardinal (Cardinalis phoeniceus) at the National Aviary of Colombia.
  • Picture of a critically endangered lemur leaf frog (Agalychnis lemur) at the National Aquarium in Baltimore.
  • A pink oblong-winged katydid (Amblycorypha oblongifolia) at the Omaha Henry Doorly Zoo, Omaha, Nebraska.
  • Picture of a royal tern (Thalasseus maximus) at the Tulsa Zoo.
  • Photo: Belize yellow headed amazon (Amazona oratrix beliziensis) at Loro Parque Fundacion.
  • Photo: Large-scale loach (Paramisgurnus dabryanus) at the Tracy Fish Collection Facility near Byron, CA
  • Photo: A Philippine tarsier (Tarsius syrichta syrichta) at the Avilon Zoo. This animal has the second largest eyes in the world compared to brain size.
  • Photo: A broad-banded copperhead (Agkistrodon contortrix laticinctus) at Reptile Gardens.
  • Photo: Cantor's giant softshell turtle (Pelochelys cantorii) at Zoo Negara.
  • Picture of a federally endangered poweshiek skipperling (Oarisma poweshiek) at the Minnesota Zoo.
  • Photo: A coho salmon (Oncorhynchus kisutch) at the Alaska SeaLife Center.
  • Photo: Brown color morph of the endangered Limosa harlequin frog (Atelopus limosus) at the Panama Amphibian Rescue and Conservation Project.
  • Northern greater galago (Otolemur garnettii) at the Cleveland Metroparks Zoo.
  • Picture of a yellow-billed magpie (Pica nuttalli) at the LA Zoo. This is the only bird species found only in California.
  • An Arizona jewel beetle (Gymetis flavomarginata) at the St. Louis Zoo.
  • Picture of a federally endangered jaguar, Panthera onca, at the Omaha Henry Doorly Zoo.
  • Photo: A Sunda porcupine (Hystrix javanica) at a private collection in Jakarta, Indonesia.
  • Zulia's toad-headed turtle (Mesoclemmys zuliae) at Wroclaw Zoo. This species is listed as vulnerable by IUCN.
  • Photo: White-fronted Amazon (Amazona albifrons nana) in Choussy, France.
  • Photo: A walleye surfperch (Hyperprosopon argenteum) at California Science Center in Los Angeles, California.
  • Photo: Gould's wattled bat (Chalinolobus gouldii) at Victoria, Australia.
  • An African brush-tailed porcupine (Atherurus africanus) at the Omaha Zoo.
  • Picture of a boat billed heron (Cochlearius cochlearius ridgwayi) at the Knoxville Zoo.
  • A gopher tortoise (Gopherus polyphemus) a vulnerable (IUCN) and federally threatened species at Zoo Atlanta.
  • Photo: A brown trout (Salmo trutta) at the Schramm Education Center near Gretna, NE.
  • Photo: A juvenile white wagtail (Motacilla alba) from the Budapest Zoo.
  • A vulnerable (IUCN) wolverine (Gulo gulo) named Stinky, a candidate species for federal protection.
  • Picture of a male American black duck (Anas rubripes) at the Sylvan Heights Bird Park.
  • Picture of a Grant's gazelle (Nanger granti granti) at the Oklahoma City Zoo.
  • Photo: A Chilean burrowing parrot (Cyanoliseus patagonus bloxami) at Unidad de Rehabilitación de Fauna Silvestre.
  • A razorback musk turtle (Sternotherus carinatus) from a private collection.
  • 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.
  • A black-throated monitor (Varanus albigularis ionidesi) at the Kansas City Zoo.
  • Picture of a white-backed duck, Thalassornis leuconotus, at Sylvan Heights Bird Park.
  • Photo: A side neck turtle (Elseya schultzei) in Jakarta, Indonesia in the care of PT. Alam Nusantara Jayatama.
  • Photo: A common warthog (Phacochoerus africanus africanus) at the Berlin Zoo.
  • The webbed feet of a gentoo penguin (Pygoscelis papua papua).
  • Picture of a king vulture (Sarcoramphus papa) from the Gladys Porter Zoo in Brownsville, Texas.
  • Photo: A New River crayfish, Cambarus chasmodactylus, wild caught in the Greenbrier River, West Virginia.
  • Two chestnut-bellied sandgrouse (Pterocles exustus exustus) at Safari Park Dvur Kralove. The female has more black markings.
  • A yellow-striped caecilian (Ichthyophis kohtaoensis) at the San Antonio Zoo.
  • A red salamander (Pseudotriton ruber) at Zoo Atlanta, Atlanta, Georgia.
  • Photo: A green mountain frog (Odorrana livida) at Petra Aqua.
  • Photo: A stock dove (Columba oenas oenas) at the Plzen Zoo.
  • The standard morph of a Pasco poison frog (Ranitomeya lamasi) from a private collection.
  • Photo: A longfin inshore squid (Doryteuthis pealeii) at the Maine State Aquarium in West Boothbay, ME.
  • Picture of a South American Comb Duck (Sarkidiornis melanotos sylvicola) at the Houston Zoo.
  • Photo: A blue dragon-back, a fancy breed of goldfish at Ocean Park in Hong Kong.
  • An endangered (IUCN) and federally threatened peaks of otter salamander (Plethodon hubrichti) from a private collection.
  • Photo: Chihuahuan hook-nosed snake (Gyalopion canum) from a private collection.
  • A male painted bunting (Passerina ciris) at the Brown Ranch in Texas. (IUCN: Near Threatened)
  • Photo: A helmet incubator frog (Hemiphractus scutatus) at Centro Jambatu in Quito, Ecuador.
  • A common mime butterfly (Chilasa clytia) at the Insectarium in New Orleans, Louisiana.
  • Picture of a scarlet-rumped cacique (Cacicus uropygialis) at the National Aviary breeding center in Palmar, Colombia.
  • Photo: An unidentified coral (Montipora sp.) at the Akron Zoo.
  • Photo: Common spadefoot toad (Pelobates fuscus) at the Plzen Zoo in the Czech Republic.
  • Photo: A northern moon snail (Euspira heros) at the Maine State Aquarium in West Boothbay, ME.
  • Brown baboon tarantula (Citharischius crawshayi) at the Great Plains Zoo.
  • Picture of a vulnerable Mekong snail-eating turtle (Malayemys subtrijuga) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: A Fleischmann's glassfrog (Hyalinobatrachium fleischmanni) at Balsa de los Sapos.
  • Young grackles, Quiscalus quiscula, at the home of wildlife rescuer in Lincoln, Nebraska.
  • Picture of a blue spiny lizard (Sceloporus serrifer cyanogenys) at the Tulsa Zoo.
  • Picture of a Western gull (Larus occidentalis) at the Santa Barbara Wildlife Care Network.
  • Picture of a Caspian tern (Hydroprogne caspia) at Tracy Aviary.
  • Photo: A Cuban tree frog (Osteopilus septentrionalis) at the Kansas City Zoo.
  • A live marine toad or cane toad (Rhinella marina) in amplexus with a female, dead from chytrid fungus, near Limon, Ecuador. The male died a few days later of the same disease.
  • Photo: Spectacled parrotlet (Forpus conspicillatus) at Piscilago.
  • Micronesian kingfishers (Todiramphus cinnamominus) at the Houston Zoo. This species is considered Extinct in the Wild by IUCN.
  • An Espada's marsupial frog (Gastrotheca testudinea) at Pontificia Universidad Católica del Ecuador.
  • A vulnerable (IUCN) giant Asian pond turtle (Heosemys grandis) at the Phoenix Zoo.
  • Photo: A brook silverside (Labidesthes sicculus) at Schramm Education Center near Gretna, NE.
  • Picture of federally endangered and critically endangered (IUCN) Pahrump poolfish (Empetrichthys latos) at the Desert National Wildlife Refuge Visitor's Center.
  • Picture of an Eastern collared lizard (Crotaphytus collaris collaris) at the Wichita Mountains National Wildlife Refuge near Lawton, OK.
  • Photo: Malayan Cave Racer (Orthriophis taeniurus ridleyi) at the Singapore Zoo.
  • Picture of a senegal bichir (Polypterus senegalus) at the Tulsa Zoo.
  • Photo: A male long-wattled umbrellabird (Cephalopterus penduliger) at the Dallas World Aquarium.
  • Photo: A group of federally endangered rayed kidneyshells (Ptychobranchus foremanianus) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.
  • A male tiger swallowtail butterfly (Papilio glaucus).
  • Photo: Tyrrhenian wall lizard (Podarcis tiliguerta tiliguerta) at the Plzen Zoo in the Czech Republic.
  • Picture of little spectaclecases (Villosa lienosa) collected from the Ochlockonee River near Tallahassee, Florida.
  • Picture of a red-eye wrasse (Cirrhilabrus solorensis) at Omaha's Henry Doorly Zoo and Aquarium.
  • Picture of Australasian shovelers (Anas rhynchotis) at the Sylvan Heights Bird Park.
  • Photo: A hairy crab (Pilumnus sayi) at Gulf Specimen in Panacea, Florida.
  • Photo: A female purple finch (Haemorhous purpureus) at the Wildlife Rehab Center of Minnesota (WRCMN).
  • Bridled white-eye (Zosterops saypani) at the Sedgwick County Zoo. This species is listed on IUCN as Endangered.
  • A yellow and blue poison dart frog or dyeing poison dart frog (Dendrobates tinctorius) at the Rolling Hills zoo.
  • A female, vulnerable African elephant (Loxodonta africana) at the Cheyenne Mountain Zoo.
  • A vulnerable reticulated giraffe (Giraffa camelopardalis reticulata) with finer white lines in pattern, and an endangered Rothschild giraffe (Giraffa camelopardalis rothschildi) at Rolling Hills Wildlife Adventure near Salina, Kansas.
  • A satanic leaf-tailed gecko (Uroplatus phantasticus) at the Houston Zoo, Houston, Texas. (IUCN: Vulnerable)
  • Harlequin flower beetle (Gymnetis caseyi) at the Houston Zoo.
  • Picture of a brown rockfish (Sebastes auriculatus) at the REEF, at the University of California, Santa Barbara.
  • A black bullhead (Ameiurus melas) at Gavins Point National Fish Hatchery and Aquarium.
  • A marbled newt (Triturus marmoratus) at the Houston Zoo.
  • Photo: A helmeted water toad (Calyptocephalella gayi) at the Santiago Zoo in Chile.
  • Photo: Stick insects (Anisomorpha paromalus) at the Budapest Zoo.
  • Photo: An endangered Guenther's leaf-tail gecko (Uroplatus guentheri) from a private collection.
  • Photo: A female southern yellow grosbeak (Pheucticus chrysogaster) at the Sedgwick County Zoo.
  • Photo: An aye-aye (Daubentonia madagascariensis) named Endora at Duke Lemur Center in Durham, North Carolina.
  • Photo: Woodland dormouse (Graphiurus murinus) at the Budapest Zoo.
  • A groundhog (Marmota monax).
  • Picture of a black velvet tarantula (Brachypelma schroederi) at the St. Louis Zoo.
  • Superb parrot (Polytelis swainsonii) at Parrots in Paradise, a bird attraction in Glass House Mountains, Queensland.
  • A red-spotted pitviper (Protobothrops jerdonii xanthomelas) at the Fort Worth Zoo.
  • Photo: At Anastasia Island State Park, home to the federally endangered Anastasia Island beach mouse (Peromyscus polionotus phasma).
  • Picture of a vulnerable Madagascar spider tortoise (Pyxis arachnoides oblonga) at the Fresno Chaffe Zoo.
  • Photo: Fishhook crayfish, Faxonius rhoadesii, at West Liberty University in West Liberty, WV. This specimen is from Hurricane Creek, TN.
  • Photo: Blue tilapia or Israeli tilapia (Oreochromis aureus) covered with parasitic hookworms at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.
  • Photo: A female marbled teal (Marmaronetta angustirostris) at Tierpark Berlin.
  • Picture of a white-crowned parrot (Pionus senilis) at Tampa's Lowry Park Zoo.
  • Picture of a vulnerable four-horned antelope and fawn (Tetracerus quadricornis) at the Assam State Zoo and Botanical Garden in India.
  • Photo: A kaiser spotted newt from Iran (Neurergus kaiseri) from Conservation Fisheries.
  • A ball python (Python regius), also known as a royal python, at the Kansas City Zoo.
  • Photo: False robust conehead (Neoconocephalus bivocatus) at the St. Louis Zoo.
  • A federally endangered woodland caribou (Rangifer tarandus caribou).
  • A critically endangered (IUCN) and federally endangered Jamaican boa (Chilabothrus subflavus) at the Omaha Zoo. Juveniles of this species are red, while adults are green.
  • Picture of a brown-faced go-away-bird (Corythaixoides personata leopoldi) from a private collection.
  • Picture of a magnificent frigatebird (Fregata magnificens) at the National Aviary breeding center.
  • Photo: Yellow-fronted canary (Serinus mozambicus granti) in Santa Cruz, Tenerife, Spain.
  • Photo: Arizona walking stick (Diapheromera arizonensis) at the Phoenix Zoo.
  • Picture of a Cook's tree boa (Corallus cookii) at the Palm Beach Zoo.
  • Picture of a rhinoceros hornbill (Buceros rhinoceros) at the Houston Zoo.
  • Photo: A ribbon moray eel (Rhinomuraena quaesita) at Petra Aqua.
  • Photo: Greater blue-eared starling (Lamprotornis chalybaeus) in Choussy, France.
  • Photo: Spanish newt (Lissotriton boscai) at Moscow Zoo.
  • Photo: An Eastern stone gecko (Diplodactylus vittatus) from a private collection.
  • Picture of a crane hawk (Geranospiza caerulescens) at the PanAmerican Conservation Association in Gamboa, Panama.
  • Photo: A King brown snake (Pseudechis australis) at Omaha's Henry Doorly Zoo.
  • A male mimic poison frog (Ranitomeya imitator) with a single tadpole on his back, from a private collection.
  • Picture of a green-winged teal (Anas crecca carolinensis) at the Sylvan Heights Bird Park.
  • Photo: A violet-crested or purple-crested turaco (Tauraco porphyreolophus porphyreolophus) from a private collection in Choussy, France.
  • Photo: A female Palawan peacock pheasant (Polyplectron napoleonis) at Pheasant Heaven.
  • Photo: A striped newt (Notophthalmus perstriatus) at the Sedgwick County Zoo.
  • Picture of a Vicente's poison frog (Oophaga vicentei) at the Panama Amphibian Rescue and Conservation Project.
  • Harlequin flower beetle (Gymnetis caseyi) at the Houston Zoo.
  • Picture of a common brown lemur (Eulemur fulvus) at Omaha's Henry Doorly Zoo and Aquarium.
  • A giant panda (Ailuropoda melanoleuca) at Zoo Atlanta. This endangered (IUCN) and federally endangered species is native to China.
  • Pink-ringed tent turtle (Kachuga circumdata) at the Tennessee Aquarium.
  • Photo: Tulip shell (Fasciolaria tulipa), with eggs from Gulf Specimen Marine Laboratories.
  • A critically endangered Chinese alligator (Alligator sinensis) at the Fresno Chaffe Zoo.
  • Photo: Northern birch mouse (Sicista betulina) at the Moscow Zoo.
  • Photo: A female red junglefowl (Gallus gallus gallus) at the Plzen Zoo in the Czech Republic.
  • Photo: Ruivaco or Panjorca (Achondrostoma oligolepis) at the Environmental Education Center of the Ribeiras de Gaia, Miramar, Portugal.
  • Picture of blackside dace (Chrosomus cumberlandensis) in spawning colors at Conservation Fisheries. This is a vulnerable species.
  • Picture of a fulvous whistling duck (Dendrocygna bicolor) at Sylvan Heights Bird Park.
  • Juvenile mink (Neovison vison).
  • Coyote puppies (Canis latrans).
  • A federally endangered timber wolf (Canis lupus) named Kenai at the New York State Zoo.
  • Chacoan Horned Frog, Ceratophrys cranwelli, at Sedgwick County Zoo.
  • A southern black widow (Latrodectus mactans) at the Audubon Zoo in New Orleans.
  • A hippopotamus (Hippopotamus amphibius) at the San Antonio Zoo. (IUCN: Vulnerable)
  • Photo: Brown wood turtle (Rhinoclemmys annulata) at the Cali Zoo in Colombia.
  • Photo: A greater rhea (Rhea americana) at the Audubon Zoo, part of the Audubon Nature Institute.
  • A giant water bug (Lethocerus americanus).
  • Picture of a possibly extinct Bachman's warbler (Vermivora bachmanii) at Tall Timbers Research Station and Land Conservancy.
  • Photo: An eared dove (Zenaida auriculata auriculata) at the Santiago Zoo in Chile.
  • Photo: Seed bug (Spilostethus pandurus) at Graham's Quinta dos Malvedos Vineyard.
  • A Santa Rosa beach mouse (Peromyscus polionotus leucocephalus) at the USFWS office in Panama City, FL. This and several other beach mice subspecies are imperiled due to beach development. This species is also rare but is not currently listed under the ESA.
  • An endangered (IUCN) and federally endangered snow leopard (Panthera uncia) at the Miller Park Zoo.
  • Photo: A Nepalese whiskered bat (Myotis muricola) at the University of the Philippines.
  • Photo: Matthey' s mouse (Mus mattheyi) at the Plzen Zoo in the Czech Republic.
  • A Northern crescent butterfly (Phyciodes cocyta) from a prairie near Cross Lake, Minnesota.
  • A common nighthawk (Chordeiles minor minor) at the Virginia Aquarium.
  • A Chilean rose tarantula (Grammostola rosea) at Reptiland in Riva del Garda Italy.
  • Photo: A green iguana (Iguana iguana) at the Kansas City Zoo.
  • Photo: A timor zebra finch (Taeniopygia guttata timor) at Sylvan Heights Bird Park in Scotland Neck, North Carolina.
  • Picture of a critically endangered suwannee moccasinshell (Medionidus walkeri) collected from the Suwannee River in Florida.
  • Photo: A male Horsfield’s kalij pheasant (Lophura leucomelanos lathami) from a private collection.
  • A Brazilian porcupine (Coendou prehensilis) named Sharpita at Tampa's Lowry Park Zoo.
  • Photo: Marbled crayfish (Procambarus virginalis) with eggs from a private collection.
  • Photo: A giant banded gecko (Cyrtodactylus louisiadensis) in Jakarta, Indonesia in the care of PT. Alam Nusantara Jayatama.
  • Photo: A spectacled cobra (naja naja) at Reptile Gardens.
  • Photo: Iberian hare (Lepus granatensis granatensis) at the University of Porto in Portugal
  • Photo: A unidentified horse leech (Haemopis sp.) at the West Liberty University Crayfish Conservation Lab in West Liberty, Virginia.
  • Photo: A spotted dove (Streptopelia chinensis tigrina) at the Plzen Zoo.
  • Picture of an orange-breasted waxbill (Amandava subflava) from a private collection.
  • Photo: Striped brook snake, Pseudoxyrhopus quinquelineatus, at the Plzen Zoo.
  • Red-spotted toad (Anaxyrus punctatus) at the Arizona-Sonora Desert Museum.
  • A vulnerable salmon-crested cockatoo,(Cacatua moluccensis), at the Sedgwick County Zoo.
  • Photo: Redear sunfish (Lepomis microlophus) at the Loveland Living Planet Aquarium.
  • A yellow and blue poison dart frog or dyeing poison dart frog (Dendrobates tinctorius) at the Rolling Hills zoo.
  • Photo: An unidentified spider (Lycosidae sp.) at Graham's Quinta dos Malvedos Vineyard.
  • Picture of an ivory-billed aracari (Pteroglossus azara flavirostris) at the Dallas World Aquarium.
  • A yellow-vented bulbul (Pycnonotus goiavier) at the Columbus Zoo.
  • Picture of a blue spiny lizard (Sceloporus serrifer cyanogenys) at the Tulsa Zoo.
  • Photo: Cruiser (Vindula arsinoe) at Melbourne Zoo. This is a male.
  • Photo: A male and a female critically endangered Rio Pescado stubfoot toads (Atelopus balios) in amplexus at Centro Jambatu in Quito, Ecuador.
  • Photo: A cape kurper (Sandelia capensis) at Plzen Zoo, in the Czech Republic.
  • Photo: Indiana single flash firefly nymph (Photuris sp.) photographed at Butterfly Pavilion in Westminster, Colorado.
  • The Salt Creek tiger beetle (Cicindela nevadica lincolniana) in a lab at the University of Nebraska-Lincoln. With a count of 205 adults emerging in 2010, this subspecies of tiger beetle could be the rarest insect in North America. Found only in the interior saline wetlands of Lancaster County, Nebraska, the beetle has been in decline for years due to habitat loss from development.
  • Picture of a banded sea star (Luidia alternata) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: A fat dormouse (Glis glis) at Centro Fauna Selvatica "Il Pettirosso".
  • An endangered Ruppell's griffon vulture (Gyps rueppellii) at the Fort Wayne Children's Zoo.
  • An endangered woma python (Aspidites ramsayi) at Dreamworld.
  • Photo: Two endangered Milos vipers (Macrovipera schweizeri) at Zoo Plzeň.
  • Picture of a male puna teal (Spatula puna) at Sylvan Heights Bird Park.
  • Picture of a male grand eclectus parrots (Eclectus roratus roratus) at the Cheyenne Mountain Zoo.
  • Picture of a Rufous-sided towhee or Eastern towhee (Pipilo erythrophthalmus) at Tall Timbers near Tallahassee.
  • Photo: Rainbow shiners (Notropis chrosomus) in spawning colors, from a private collection in Knoxville, Tennessee.
  • Photo: Flannelmouth sucker (Catostomus latipinnis) at Lake Mead Hatchery, Nevada.
  • Picture of a least weasel (Mustela nivalis boccamela) at Centro Fauna Selvatica "Il Pettirosso".
  • Photo: A Sahara aphanius (Aphanius saourensis) at Aquarium Berlin.
  • Texas brown snake (Storeria dekayi texana) collected in Sarpy County, NE
  • Photo: A maroon fronted parrot, Rhynchopsitta terrisi, at Loro Parque Fundacion.
  • Photo: A common bronzewing (Phaps chalcoptera) at the Prague Zoo.
  • Photo: Ethiopian cricket (Homoeogryllus xanthographica) at the Budapest Zoo.
  • Photo: Red winged parrot (Aprosmictus erythropterus coccineopterus) at Logo Parque Fundacion.
  • A painted wood turtle (Rhinoclemmys pulcherrima) at the Lincoln Children's Zoo, Lincoln, Nebraska.
  • Photo: An endangered mountain reedbuck (Redunca fulvorufula) at Plzen Zoo in the Czech Republic.
  • A Texas cave salamander (Eurycea neotenes) at the Detroit Zoo, Detroit, Michigan. (IUCN: Vulnerable)
  • Photo: Giant Asian mantis (Hierodula grandis) at the Budapest Zoo.
  • Photo: A spectacled cobra (naja naja) at Reptile Gardens.
  • Photo: A military macaw (Ara militaris) at the Denver Zoo. (IUCN: Vulnerable)
  • Black crocodile newt (Tylototriton taliangensis) at the National Mississippi River Museum and Aquarium in Dubuque, IA.
  • Photo: An Asian golden cat (Catopuma temminckii temminckii) at a private collection in Jakarta, Indonesia.
  • Photo: Giant pikehead (Luciocephalus pulcher) at Zoo Negara.
  • A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.
  • Photo: Black-necked garter snake (Thamnophis cyrtopsis) at the Phoenix Zoo.
  • Picture of two Schaus' Swallowtails (Heraclides aristodemus ponceanus) at the McGuire Center for Lepidoptera and Biodiversity.
  • Photo: A chipping sparrow (Spizella passerina passerina) at Bay Beach Wildlife Sanctuary
  • Picture of an endangered big-headed turtle (Platysternon megacephalum megacephalum) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Picture of a copperband butterflyfish (Chelmon rostratus) at Nebraska Aquatic Supply.
  • Photo: A soprano pipistrelle, Pipistrellus pygmaeus, at Wildwood Trust near Canterbury, England.
  • Picture of a scaled pigeon (Columba speciosa) at the Nispero Zoo in Panama.
  • A critically endangered (IUCN) and federally endangered brush tailed rat kangaroo (Bettongia penicillata ogilbyi) at the Plzen Zoo in the Czech Republic.
  • Photo: A giant fringe-limbed treefrog (Ecnomiohyla fimbrimembra) at Zoo Atlanta.
  • An elm sphinx moth (Ceratomia amyntor) at Spring Creek Prairie near Denton, Nebraska.
  • A shining flea beetle (Asphaera lustrans).
  • An endangered spotted reed frog (Hyperolius puncticulatus) at the Vancouver Aquarium.
  • Photo: Oleander aphids (Aphis nerii) at the Audubon Insectarium, part of the Audubon Nature Institute.
  • Picture of a gulf darter (Etheostoma swaini) from the Yellow River, Florida, at the US Geological Survey Southeast Science Center.
  • Photo: Roatan yellow naped Amazon parrot (Amazona auropalliata caribaea) at Loro Parque Fundacion.
  • A spectacled owl (Pulsatrix perspicillata) at the Sedgwick County Zoo.
  • A veiled Chameleon (Chamaeleo calyptratus) in Lincoln, Nebraska.
  • Photo: An Okefenokee fishing spider (Dolomedes okefinokensis) at the Butterfly Pavilion.
  • Photo: Chocolate gourami (Sphaerichthys osphromenoides) at Zoo Negara.
  • A federally endangered Salt Creek tiger beetle (Cicindela nevadica lincolniana) in a lab at the University of Nebraska-Lincoln. With a count of fewer than 250 adults in the summer of 2007, this subspecies of tiger beetle could be the rarest insect in North America. Found only in the interior saline wetlands of Lancaster County, Nebraska, the beetle has been in decline for years due to habitat loss from development.
  • Philippine palm viper (Trimeresurus mcgregori) at the Detroit Zoo.
  • Picture of a harlequin poison frog (Oophaga histrionica) Buenaventura, Columbia locality, from a private collection.
  • Photo: Barnacles (Balanus sp.) filter feed at the Alaska SeaLife Center.
  • Picture of a gyrfalcon, Falco rusticolus, named Mariah at the Point Defiance Zoo.
  • A long-snouted robber frog (Pristimantis appendiculatus) near Mindo, Ecuador.
  • Photo: Jackson's three horned chameleon (Trioceros jacksonii) at the Budapest Zoo.
  • Photo: An endangered mountain tapir (Tapirus pinchaque) at the LA Zoo.
  • Photo: A Mandarin ratsnake (Elaphe mandarina) in the hand of a keeper at the Cheyenne Mountain Zoo.
  • Photo: Flagtail characin (Semaprochilodus taeniurus) at the Dallas World Aquarium.
  • Palm tanager (Thraupis palmarum melanoptera) at the National Aviary of Colombia (Aviario Nacional de Colombia).
  • Picture of a Panamanian night monkey (Aotus zonalis) at the Nispero Zoo.
  • Photo: A Florida applesnail (Pomacea paludosa) at Gulf Specimen Aquarium in Panacea, FL. This species is in decline due to being out-competed by introduced, invasive snails from other countries.
  • Photo: Milk conch (Lobatus costatus) at Gulf Specimen Marine Lab in Panacea, FL.
  • Photo: Indian violet tarantula (Chilobrachys fimbriatus) at Faunia in Madrid, Spain.
  • Picture of a North American Society Finch (Lonchura striata domestica) at the St. Louis Zoo in St. Louis, Missouri.
  • Photo: A white-winged black tyrant (Knipolegus aterrimus aterrimus) at at Museo De Historia Natural Alcide d'Orbigny, a natural history museum and rare amphibian breeding center in Chocabamba Bolivia.
  • A studio portrait of an American goldfinch (Spinus tristis pallidus) in Nebraska.
  • Photo: Two brittle stars (Ophiothrix sp.) at Aquarium Berlin.
  • Osage copperhead (Agkistrodon contortrix phaeogaster) at the Tulsa Zoo.
  • Photo: A green lacewing (Chrysopa species) collected at Spring Creek Prairie near Denton, NE.
  • Picture of a White-crowned sparrow (Zonotrichia leucophrys) at the Columbus Zoo.
  • A gliding treefrog (Agalychnis spurrelli) collected near Pilalo, Ecuador. This individual used to be called Agalychnis litodryas.
  • Photo: Spiny toad (Bufo spinosus) at the Environmental Education Center of the Ribeiras de Gaia.
  • Picture of a federally endangered, American alligator (Alligator mississippiensis) at the Kansas City Zoo.
  • Photo: An Intermediate musk turtle (Sternotherus intermedius) at the Auburn University Natural History Museum.
  • Photo: Brown woolly monkey (Lagothrix lagotricha) at Piscilago.
  • Picture of a common goldeneye (Bucephala clangula) at Sylvan Heights Bird Park.
  • Picture of a leaf Scorpionfish (Taenianotus triacanthus) at Omaha's Henry Doorly Zoo and Aquarium.
  • Photo: European golden plover (Pluvialis apricaria) at Monticello Center in Italy.
  • Photo: A southern walleye (Sander vitreus) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL. This is a hybrid, containing 75-90% southern, and the rest northern walleye.
  • A Congo dwarf clawed frog (Hymenochirus boettgeri) at the Vancouver Aquarium.
  • A great barred frog (Mixophyes fasciolatus) from Dreamworld.
  • Photo: Eurasian kingfisher (Alcedo atthis ispida) at Alpenzoo in Innsbruck, Austria.
  • Photo: Texas fawnsfoot (Truncilla macrodon) from the Crustacean and Molluskan Ecology Lab at Auburn University.
  • Picture of an Eastern water dragon (Physignathus lesueurii lesueurii) at the Wild Life Sydney Zoo.
  • Picture of a vulnerable binturong (Arctictis binturong) at the Great Bend Brit Spaugh Zoo.
  • A red-head cockroach (Oxyhaloa deusta) at Wroclaw Zoo.
  • Photo: Common yeoman (Cirrochroa tyche) at ACCB in Siem Reap, Cambodia.
  • Photo: Cusk eel (Ophidion welshi) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: A bleeding heart tetra (Hyphessobrycon erythrostigma) at the Institute of Marine Mammal Studies (IMMS) at Gulfport, MS. This animal is part of their public education area.
  • Photo: Kordofan aoudad or Sudan barbary sheep (Ammotragus lervia blainei) at the Dallas Zoo. This species is listed as vulnerable by the IUCN.
  • Photo: An awa rocket-frog (Hyloxalus awa) at Balsa de los Sapos.
  • Photo: A female Golden-headed quetzal (Pharomachrus auriceps) at the Dallas World Aquarium.
  • Photo: Cusk eel (Ophidion welshi) at Gulf Specimen Marine Lab and Aquarium.
  • Photo: Kellet's welk (Kelletia kelletii) at Aquarium of the Pacific in Long Beach, CA.
  • Picture of a vulnerable Tucuman amazon (Amazona tucumana) at the Central Florida Zoo.
  • Picture of a dwarf waterdog (Necturus punctatus) from a private collection.
  • Photo: A Rio Coca cochran frog (Nymphargus siren) at Balsa de los Sapos.
  • A critically endangered Utila iguana (Ctenosaura bakeri) at the Miller Park Zoo.
  • Photo: Breuseghem's tetra (Bathyaethiops breuseghemi) at L'aquarium tropical du palais de la Porte DorŽe.
  • A Giant swallowtail butterfly (Papilio cresphontes) at the Lincoln Children's Zoo in Lincoln, Nebraska.
  • Photo: A long-spined sea urchins (Diadema antillarum) at Mote Tropical Research Laboratory.
  • Photo: Fireback crayfish (Cambarus pyronotus) Not state or fed listed, only because it is protected by Torrey State Park.
  • Photo: Black cap jawfish (Opistognathus randalli) at Pure Aquariums.
  • Photo: A near threatened Himalayan tahr (Hemitragus jemlahicus) at the Rome Zoo.
  • Photo: A short toed snake eagle (Circaetus gallicus) at the Jurong Bird Park.
  • Photo: A southern hognose snake (Heterodon simus) in red and white color phases, at a private collection.
  • Photo: A critically endangered male cichlid (Pseudotropheus saulosi) from a private collection.
  • Photo: A fledgling European barn owl (Tyto alba guttata) from the Plzen Zoo in the Czech Republic.
  • Photo: A pink-spotted fruit-dove (Ptilinopus perlatus) at Ragunan Zoo in Jakarta, Indonesia.
  • Photo: A Puma (Puma concolor capricorniensis) at Fundacao Jardim Zoologico de Brasilia.
  • A Western slimy salamander (Plethodon glutinosus grobmani) from a private collection.
  • Photo: An endangered blue shiner (Cyprinella caerulea) from the Conasauga River.
  • Picture of an endangered (IUCN) and federally endangered black-footed ferret (Mustela nigripes) at the Cheyenne Mountain Zoo.
  • Picture of a titan triggerfish, Balistoides viridescens, at Shark Reef Aquarium.
  • Photo: Green eye coral (Mycedium sp.) at Butterfly Pavilion.
  • A young female snowy owl (Bubo scandiacus).
  • Photo: Mediterranean jelly or fried egg jellyfish (Cotylorhiza tuberculata) at Loro Parque's aquarium in Puerto de la Cruz, Tenerife, Spain
  • A California sea lion, Zalophus californianus.
  • Photo: Ocellaris clownfish or black clown fish (Amphiprion ocellaris) at the Omaha Zoo.
  • A musk ox (Ovibos moschatus moschatus) at the University of Alaska in Fairbanks, AK.
  • Vulnerable (IUCN) and federally endangered Texas blind salamanders (Eurycea rathbuni) at the Detroit Zoo.
  • A groundhog (Marmota monax).
  • Photo: Peacock cichlid, peacock bass (Cichla ocellaris) at the Dallas Children's Aquarium.
  • Picture of a vulnerable Chinese goral (Naemorhedus griseus arnouxianus) at the Oklahoma City Zoo.
  • Photo: Chinese oriole (Oriolus chinensis diffusus) in Choussy, France.
  • Picture of a Northern pine snake (Pituophis melanoleucus melanoleucus) at Pet Paradise.
  • Photo: A tiger snake (Notechis scutatus) at Reptile Gardens.
  • Photo: A pair of pallid foxes (Vulpes pallida) at Cub Creek Science Camp in Rolla, MO. The female on the left is named Pallida and the male on the right in named Gadget.
  • A Critically Endangered (IUCN) West Indian iguana (Iguana delicatissima) at the Detroit Zoo.
  • A vulnerable (IUCN) and federally endangered clouded leopard (Neofelis nebulosa nebulosa) at the Houston Zoo.
  • Picture of a paradise shelduck (Tadorna variegata) at The Animal Sanctuary, an animal rehab center in Warkworth, New Zealand.
  • A Florida brown snake (Storeria dekayi victa) at the Archbold Biological Station.
  • A pill-bug (Armadillidium vulgare) at the Fort Worth Zoo.
  • Two cape sparrows (Passer melanurus) at Safari Park Dvur Kralove. The male has black chest and face.
  • Photo: A galah, Eolophus roseicapilla.
  • Picture of a male and female mallard (Anas platyrhynchos) at Northwest Trek Wildlife Park in Eatonville, Washington.
  • Photo: An Atlantic mackerel (Scomber scombrus) at the Maine State Aquarium in West Boothbay, ME.
  • A satanic leaf-tailed gecko (Uroplatus phantasticus) at the Houston Zoo, Houston, Texas. (IUCN: Vulnerable)
  • Photo: An Asian golden cat (Catopuma temminckii temminckii) at a private collection in Jakarta, Indonesia.
  • Horsehead grasshopper (Stiphra sp.) at the Bugarium at the Albuquerque BioPark.
  • A pair of vulnerable (IUCN) ashy darters (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.
  • Spriobolid millipedes; they sometimes are called "Mombasa train" in East Africa. Millipedes in this group produce defensive benzoquinones, compounds that have been demonstrated to have antibacterial and anti-tumor properties (they are also toxic, and for this reason millipedes have few natural enemies)."
  • A California scrub jay (Aphelocoma californica californica) at Wildlife Images, a rehabilitation center near Merlin, OR.
  • Photo: A Great Plains black rat snake (Pantherophis obsoletus) at Nebraska Wildlife Rehab.
  • A white-breasted nuthatch (Sitta carolinensis).
  • Picture of an endangered (IUCN) and federally endangered Grand Cayman blue iguana (Cyclura lewisi) at the Sedgwick County Zoo in Wichita, Kansas.
  • A Texas tortoise (Gopherus berlandieri) at the Houston Zoo.
  • Photo: A common warthog (Phacochoerus africanus africanus) at the Berlin Zoo.
  • Photo: Golden-headed quetzal (Pharomachrus auriceps) in Choussy, France.
  • Photo: A northern water snake (Nerodia sipedon) from a private collection.
  • A critically endangered (IUCN) and federally endangered Santa Catalina Island fox (Urocyon littoralis catalinae) named Tachi. Tachi is a hand raised, educational animal, and is the last captive from a breeding program designed to save the species.
  • Photo: Two burnished-buff tanager (Tangara cayana) at Zoopark Zajezd.
  • Photo: Spiderman agama (Agama mwanzae) at the Houston Zoo.
  • A vulnerable (IUCN) and federally endangered young, female Diana monkey (Cercopithecus diana) at the Omaha Zoo.
  • Photo: A lighting bug (Pyropyga decipiens) photographed at Spring Creek Prairie Audubon Center near Denton, NE. This animal was originally collected from Bobcat Prairie near Denton, NE.
  • A Tamaulipan rock rattlesnake (Crotalus lepidus morulus) at the Houston Zoo, Houston, Texas.
  • American painted lady (Vanessa cardui) a native to Nebraska, at the Lincoln Children's Zoo.
  • A captive English/house sparrow (Passer domesticus) photographed at a studio in Lincoln, NE.
  • Photo: A killer whale (Orcinus orca) named Kalia at SeaWorld in San Diego.
  • Photo: Yucatan box turtle (Terrapene carolina yucatana) at the Oklahoma City Zoo.
  • A Columbia spotted frog (Rana luteiventris) from the Toiyabe subpopulation near Austin, Nevada.
  • A federally endangered juvenile male Alabama beach mouse (Peromyscus polionotus ammobates).
  • Photo: A Pluto's Prevost's squirrel (Callosciurus prevostii pluto) in Jakarta, Indonesia in the care of PT. Alam Nusantara Jayatama.
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