Joel Sartore Joel Sartore

National Geographic Photographer and Speaker


Joel is the founder of the Photo Ark, a groundbreaking effort to document species before they disappear—and to get people to care while there’s still time.

Learn MoreBooksDonate

Explore the Photo Ark

Search the 46,886-picture Photo Ark for an animal or species. Scroll down to see every species in the Ark … if you’ve got all day.

  • 14,005 species in Photo Ark as of today
    Explore the Photo Ark Search the [photoark_count]-picture Photo Ark for an animal or species.
  • 25 years to document every species in human care
Photo: Captive gray wolf at the International Wolf Center in Ely, MN.

Gallery

In the Field

Explore the best wildlife images from Joel’s 25+ year career from tree climbing lions in Africa, penguins in Antarctica to wild parrots of the Amazon. Don’t see an image that you’re looking for? Use the search field at the top of this page to type in the species or subject you’d like to find.

Explore the gallery
Photo: Edward's fig parrot (Psittaculirostris edwardsii) at Loro Parque Fundacion.

Gallery

The Photo Ark

See some of the most powerful, interesting, and popular images from the Photo Ark.

Explore the gallery

Gallery

Behind the Scenes

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

Explore the gallery
  • Photo: A tayra (Eira barbara madeirensis) at Zoologico de Quito.
  • Photo: Sleeper blue dot goby (Valenciennea sexguttata) at Loro Parque's aquarium in Puerto de la Cruz, Tenerife, Spain
  • A Visayan common mormon (Papilio polytes ledebouria) at the Jumalon Butterfly Sanctuary on Cebu Island in the Philippines.
  • Picture of Ian, a male Patagonian burrowing parrot (Cyanoliseus patagonus patagonus) at Tracy Aviary.
  • A male Atlas beetle (Chalcosoma atlas) at the Omaha Henry Doorly Zoo, Omaha, Nebraska.
  • Photo: A juvenile pine warbler (Setophaga pinus pinus) at St. Francis Wildlife
  • Photo: A Dorantes long-tailed skipper (Urbanus dorantes) at Tall Timbers Research Station and Land Conservancy in Tallahassee, Florida.
  • Photo: An endangered, female giant river otter (Pteronura brasiliensis) at the Dallas World Aquarium.
  • Photo: Aesculapian ratsnake (Zamenis longissimus) at Wroclaw Zoo.
  • Photo: An Auffenberg’s monitor (Varanus auffenbergi) at the Dubai Safari Park in Dubai, United Arab Emirates.
  • A critically endangered (IUCN) and federally endangered Panamanian golden frog (Atelopus zeteki) at the Cheyenne Mountain Zoo.
  • Photo: A Colorado chipmunk (Neotamias quadrivittatus) at Nebraska Wildlife Rehab.
  • Seal salamander (Desmognathus monticola) from Zoo Atlanta.
  • Photo: Screaming piha (Lipaugus vociferans) at the Dallas World Aquarium.
  • A picture of a white-sided rat snake (Pantherophis obsoleta quadrivittata) at Safari Land Pet Center.
  • An Egyptian or square-marked toad (Sclerophrys regularis) at the National Mississippi River Museum and Aquarium in Dubuque, IA.
  • Photo: A galah, Eolophus roseicapilla.
  • Photo: A Reddell's caecidotea (Caecidotea reddelli) at the Conservation Department of the San Antonio Zoo. Originally from Hidden Springs 3, in Texas.
  • Photo: An undescribed crayfish species (Cambarus cf.) collected from Clear Creek, Trenton, Alabama, by the West Liberty University Crayfish Conservation Lab. This species is brand new to science and will be named in the near future.
  • A shell of a dead winged mapleleaf mussel (Quadrula fragosa). The winged mapleleaf is critically endangered (IUCN) and federally endangered. This is one of 44 species of freshwater mussels still found in the upper Mississippi River near Prairie du Chien, WI.
  • Photo: The feet and talons of a pale chanting goshawk (Melierax canorus) at North Somerset Bird of Prey Centre in England.
  • Photo: An ornate wrasse (Halichoeres ornatissimus) at SeaWorld San Diego.
  • Photo: Cairns birdwing (Ornithoptera euphorion) at Melbourne Zoo. This is a male.
  • Photo: An endangered Ryukyu box turtle (Cuora flavomarginata evelynae) at the Turtle Survival Center.
  • Picture of a Red-clawed scorpion (Pandinus cavimanus) at the Saint Louis Zoo.
  • A Western harvest mouse, Reithrodontomys megalotis.
  • Picture of a Boyd's forest dragon (Hypsilurus boydii) at Wild Life Sydney Zoo.
  • A four-toed salamander (Hemidactylium scutatum) at the Toledo Zoo, Toledo, Ohio.
  • Photo: A Guinean puffer (Sphoeroides marmoratus) at the Vasco da Gama Aquarium in Lisbon, Portugal.
  • Photo: A red billed parrot (Pionus sordidus) at Zoologico de Quito.
  • Photo: A male ruby-crowned kinglet (Regulus calendula calendula) at the Akron Zoo.
  • A puna ibis (Plegadis ridgwayi) at the Sedgwick County Zoo in Wichita, Kansas.
  • Photo: Crested mona monkey (Cercopithecus pogonias nigripes) named Amber at Park Assango, run by ONG Animal's World in Libreville, Gabon.
  • Picture of white-backed magpies (Gymnorhina tibicen hypoleuca) at the Oklahoma City Zoo.
  • Photo: Red-spotted burrowing frog (Lepodactylus laticeps) at the Lowry Park Zoo in Tampa, FL.
  • Picture of a hoary bat (Lasiurus cinereus) at the Sulphur Creek Nature Center.
  • Photo: A male scarlet tanager (Piranga olivacea) at the Wildlife Rehab Center of Minnesota.
  • Photo: A pale headed rosella (Platycercus adscitus palliceps) at Loro Parque Fundacion.
  • Photo: A four striped girdled lizard, Zonosaurus quadrilineatus, at Tsimbazaza Zoo.
  • A Blue Ridge spring salamander (Gyrinophilus porphyriticus danielsi) at the Tennessee Aquarium, Tennesssee.
  • Picture of a critically endangered (IUCN) and federally endangered Eastern black rhino (Diceros bicornis michaeli) at the Oklahoma City Zoo.
  • Photo: A monarch butterfly (Danaus plexippus) collected near Bennet, NE.
  • Photo: Virgin River chub (Gila seminuda) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.
  • Whitetail shiner (Cyprinella galactura) at Conservation Fisheries, a native stream fish breeding center. This is a common species of stream fish that's being used for mussel propagation work.
  • Photo: A Pilbara rock monitor (Varanus pilbarensis) at the Toledo Zoo.
  • Photo: A pair of long-tailed paradise-whydah (Vidua paradisaea) at the Memphis Zoo in Tennessee.
  • A picture of a Tapir Valley treefrog (Tlalocohyla celeste) from the Tapir Valley, Costa Rica.
  • Photo: An adult gray catbird (Dumetella carolinensis carolinensis) at Rum River Central Park.
  • Photo: A banner-tailed kangaroo rat (Dipodomys spectabilis perblandus) at Wildlife World Zoo, Aquarium & Safari Park in Litchfield Park, Arizona.
  • Photo: Weevil (Lixus sp.) at Graham's Quinta dos Malvedos Vineyard.
  • Photo: A Seurat's spiny mouse (Acomys cahirinus seurati) at the Plzen Zoo.
  • Photo: A redtail chub (Nocomis effusus) from the Buffalo River, downstream near the confluence of Grinders Creek in Lewis County, Tennessee.
  • Harley the federally threatened Queensland koala (Phascolarctos cinereus adustus) recovers from two broken legs at the Australia Zoo Wildlife Hospital in Queensland. He was hit by a car, which is a common occurrence with koalas and fatal for many.
  • Picture of a male Himalayan Monal (Lophophorus impejanus) at the Santa Barbara Zoo.
  • Photo: A neon tetra (Paracheirodon innesi) at River Safari, part of Wildlife Reserves Singapore.
  • Photo: A juvenile Peruvian spider monkey (Ateles chamek) photographed at Rainforest Awareness Rescue Education Center in Iquitos, Peru.
  • Picture of an ocellated turkey (Meleagris ocellata) at the Dallas World Aquarium.
  • Photo: Balcones barking frog (Craugastor augusti latrans) from the private collection in San Antonio.
  • Guatemalan beaded lizard (Heloderma horridum charlesbogerti) at Zoo Atlanta. This is believed to be the rarest lizard in the world, with a possible wild population of six animals and fewer than 20 in captivity.
  • A brown tufted capuchin (Sapajus apella apella) at Parque Zoologico Nacional, the zoo in Santo Domingo, Dominican Republic.
  • Photo: Sea apple (Pseudocolochirus violaceus) at Butterfly Pavilion.
  • Gloyd’s cantil (Agkistrodon howardgloydi) at the St. Louis Zoo.
  • Picture of a chain catshark (Scyliorhinus retifer) at Omaha's Henry Doorly Zoo and Aquarium.
  • Photo: A yellow-spotted millipede (Harpaphe haydeniana) at A Rocha Brooksdale Environmental Center in Surrey, BC.
  • Eastern spadefoot toad (Scaphiopus holbrookii) at the Lowry Park Zoo in Tampa, FL.
  • A short-toed snake eagle (Circaetus gallicus gallicus) at Parque Biologico in Vila Nova de Gaia, Porto, Portugal.
  • Photo: A male gilt darter (Percina evides) at the Aquatic Wildlife Conservation Center in Marion, Virginia.
  • Photo: A king ratsnake (Elaphe carinata) at the Dallas Zoo.
  • Blue-headed tree agama (Acanthocercus atricollis) at the Omaha Zoo.
  • Picture of a vulnerable (IUCN) and federally threatened Southern rockhopper penguin (Eudyptes chrysocome chrysocome).
  • Photo: A Brazilian wandering spider (Phoneutria fera) at the Urku Center, Tarapoto, Peru.
  • Photo: A Palm cockatoo (Probosciger aterrimus aterrimus) at Jurong Bird Park.
  • Photo: A barred laughingthrush (Garrulax lunulatus) at the Prague Zoo.
  • Photo: A Goliath beetle (Goliathus goliatus) at the Bugarium, a part of the ABQ BioPark.
  • Photo: Pinto abalone (Haliotis kamtschatkana) coming out of shell at Alutiiq Pride Shellfish Hatchery in Seward, AK.
  • A picture of a yellow belle moth (Aspitates ochrearia) at Graham's Quinta dos Malvedos Vineyard.
  • A picture of a red-capped cardinal (Paroaria gularis gularis) at the Miller Park Zoo in Bloomington, Illinois.
  • Photo: A Haitian giant anole (Anolis ricordii) at the Fresno Chaffee Zoo in Fresno, California.
  • Pronghorn antelope (Antilocapra americana americana) at the Great Plains Zoo.
  • A picture of a Sonoran coral snake (Micruroides euryxanthus euryxanthus) from a private collection.
  • Photo: Indian wolf (Canis lupus pallipes) at the National Zoological Park New Delhi in New Delhi, India.
  • Photo: A male Jones’s silver pheasant (Lophura nycthemera jonesi) at a private collection.
  • Photo: Emperor snakehead (Channa marulioides) at Zoo Negara.
  • Photo: A male Cheesman’s gerbil (Gerbillus cheesmani) at Arabia’s Wildlife Centre in Sharjah, United Arab Emirates.
  • Picture of a red-tailed boa (Boa constrictor) at Safari Land Pet Center.
  • Photo: Greater dwarf lemur (Cheirogaleus major) at the Parc Botanique Et Zoologique de Tsimbazaza.
  • A federally endangered Karner blue butterflies (Lycaeides melissa samuelis) in pupa form , at the Toledo Zoological Gardens.
  • Photo: A zebra mussel (Dreissena polymorpha) showing a byssal thread, which it uses to attach onto things, at the Center for Aquatic Mollusk Programs in Lake City, Minnesota.
  • Photo: A male eyespot gecko (Gonatodes ocellatus) at Josh’s Frogs in Michigan.
  • A kinkajou (Potos flavus) at the NYS Zoo. This animal is native to Central and South America.
  • A Giant swallowtail butterfly (Papilio cresphontes) at the Lincoln Children's Zoo in Lincoln, Nebraska.
  • A picture of a hammerkop (Scopus umbretta umbretta) at the Lincoln Children's Zoo.
  • Photo: A tailed jay butterfly (Graphium agamemnon) at the Audubon Insectarium in New Orleans.
  • Picture of a male Maccoa duck (Oxyura maccoa) at Sylvan Heights Bird Park.
  • Photo: A white-bellied bustard (Eupodotis senegalensis canicollis) at the Wadi Al Safa Wildlife Center in Dubai, United Arab Emirates.
  • A yellow-legged gull (Larus michahellis michahellis) at the Wildlife Rescue Center of Rome (LIPU).
  • Photo: A female and male black buffalo (Ictiobus niger) from the Duck River in Tennessee.
  • Photo: A male tayra (Eira barbara sinuensis) named Hershey at Toucan Rescue Ranch in San Josecito, Costa Rica.
  • Photo: A common poorwill (Phalaenoptilus nuttallii nuttallii) photographed at the Wildlife Rehabilitation Center of Northern Utah, USA.
  • A pair of giant thorny stick insects (Trachyaretaon carmelae) at the Budapest Zoo.
  • A Congo caecilian (Herpele squalostoma) at the Sedgwick County Zoo in Wichita, Kansas.
  • Photo: A giant Chinese tree frog (Rhacophorus dennysi) at Reptile Gardens.
  • A northern red fan parrot (Deroptyus accipitrinus accipitrinus) at the Houston Zoo. This unusual Amazon basin parrot has a crown of brightly-colored head feathers it raises when it feels threatened or aggressive.
  • Photo: Leeloo, a six-year-old white-tailed prairie dog (Cynomys leucurus) photographed in Utah.
  • An endangered (IUCN) and federally threatened peaks of otter salamander (Plethodon hubrichti) from a private collection.
  • Photo: Red rock crab (Cancer productus) at East Bay Regional Park District.
  • Picture of an endangered Asian elephant (Elephas maximus).
  • Photo: A desert great horned owl (Bubo virginianus pallescens) named Meadow, at Wild At Heart in AZ.
  • Photo: Ibiza wall lizard (Podarcis pityusensis) at Wroclaw Zoo.
  • Giant owl butterfly (Caligo memnon memnon) in Gamboa, Panama.
  • Picture of endangered (IUCN) and federally endangered Hawaiian ducks (Anas wyvilliana) at Sylvan Heights Bird Park.
  • Photo: A marbled hatchetfish (Carnegiella strigata) at the Singapore Zoo's River Safari area.
  • Photo: Little swift (Apus affinis aerobates) at Park Assango, ONG Animal's World in Libreville, Gabon.
  • Photo: A Chinese swimming scorpion (Lychas mucronatus) at Angkor Centre for Conservation of Biodiversity (ACCB) in Cambodia.
  • Photo: Bucktooth tetra (Exodon paradoxus) at Faunia in Madrid, Spain.
  • Photo: Dotted galliwasp or Malpelo galliwasp (Diploglossus millepunctatus) at the Nashville Zoo.
  • Photo: Bigmouth buffalo (Ictiobus cyprinellus) at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • Golden-headed lion tamarin (Leontopithecus chrysomelas) at the Riverside Zoo. (IUCN: Endangered)
  • Picture of an Australian rainbow lorikeet (Trichoglossus moluccanus) at the Indianapolis Zoo.
  • Photo: A male Arabian horned viper (Cerastes gasperettii) at Arabia’s Wildlife Centre in Sharjah, United Arab Emirates.
  • A picture of a little greenbul (Eurillas virens virens) from Bioko Island, Equatorial Guinea.
  • A Texas horned lizard (Phrynosoma cornutum) at the Fort Worth Zoo.
  • Photo: Common loon (Gavia immer) in winter plumage at International Bird Rescue Center.
  • Photo: A white-eared opposum (Didelphis albiventris) at Parque de las Leyendas in Lima, Peru.
  • A Northern red-billed hornbill (Tockus erythrorhynchus erythrorhynchus) at Omaha’s Henry Doorly Zoo and Aquarium, Omaha, Nebraska.
  • Photo: A Fitzinger’s false coral snake, Oxyrhopus fitzingeri frizzelli) at Huachipa Zoo in Lima, Peru.
  • Photo: Tree coral (Dendrophyllia ramea) at the Lisbon Aquarium
  • Photo: A desert agama (Trapelus mutabilis) at the Plzen Zoo in the Czech Republic.
  • Picture of a lanner falcon (Falco biarmicus) at Reptile Gardens.
  • Photo: A sunda scops-owl (Otus lempiji lempiji) at Penang Bird Park.
  • Photo: A Gray's leaf toed gecko (Hemidactylus mercatorius) at the Plzen Zoo.
  • A picture of a federally endangered yellow-footed rock wallaby (Petrogale xanthopus xanthopus) at Omaha Zoo's Wildlife Safari Park.
  • Photo: A critically endangered brown spider monkey (Ateles hybridus) at Piscilago Zoo.
  • A Florida scrub millipede (Floridobolus penneri) at the Archbold Biological Station on the Lake Wales Ridge of Florida.
  • Miss Sandy Hill, a federally endangered Mississippi sandhill crane (Grus canadensis pulla), at the Audubon Center for Research of Endangered Species. Only 110 of this sandhill crane subspecies exists in the wild. Only another 45 birds are in captivity.
  • Photo: An Indochinese banteng (Bos javanicus burmannicus) at Phnom Tamao Wildlife Rescue Center - Wildlife Alliance.
  • Photo: A critically endangered addax (Addax nasomaculatus) at the Denver Zoo.
  • A diamondback water snake (Nerodia rhombifer blanchardi) at the Chapultepec Zoo, Mexico City, Mexico.
  • Photo: Pied-billed grebe (Podilymbus podiceps) from Nebraska Wildlife Rehab in Omaha, Nebraska.
  • A northern pikeminnow (Ptychocheilus oregonensis) collected from the Clark Fork River.
  • Picture of a yellow-spotted wrasse (Macropharyngodon negrosensis) at Omaha's Henry Doorly Zoo and Aquarium.
  • A coyote (Canis latrans) at the Great Plains Zoo.
  • Baracoa giant anole (Anolis baracoae) at the Urban Ark Conservation
  • A vulnerable (IUCN) Tarahumara leopard frog (Lithobates tarahumarae) at the Arizona-Sonora Desert Museum.
  • A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)
  • Photo: Western lesser siren (Siren intermedia nettingi) at the Conservation Department of the San Antonio Zoo.
  • Photo: A laced moray eel (Gymnothorax favagineus) at Omaha’s Henry Doorly Zoo and Aquarium.
  • Photo: A banded krait (Bungarus fasciatus) the Kentucky Reptile Zoo in Slade, Kentucky.
  • Photo: A wonderful crayfish (Faxonius mirus) collected near Flint River, Alabama, by the West Liberty University Crayfish Conservation Lab.
  • A children's python (Antaresia childreni) at the Audubon Zoo in New Orleans.
  • Photo: A Redside shiner (Richardsonius balteatus) at Loveland Living Planet Aquarium.
  • Picture of a northwestern garter snake (Thamnophis sirtalis) at the Oregon Zoo.
  • Picture of a federally endangered near threatened Mikado pheasant (Syrmaticus mikado) at Pheasant Heaven, a private pheasant breeding center near Clinton, NC.
  • Photo: A Palawan mongoose (Herpestes semitorquatus palawanensis) at the Avilon Zoo.
  • Photo: This is a male Acontius firewing butterfly (Catonephele acontius) at the Pilpintuwasi Butterfly Farm and Amazon Animal Orphanage.
  • Picture of a banded sculpin (Cottus carolinae) collected in Cherokee County, Oklahoma, at the Oklahoma City Zoo.
  • Photo: A bright burrowing thick-tailed scorpion (Parabuthus raudus) at Verve Biotech in Waverly, Nebraska.
  • Photo: Ragweed leaf beetle (Zygogramma suturalis) at Cedar Point Biological Station.
  • Photo: A snakehead fish (Channa argus) at the Virginia Aquarium.
  • Photo: An Atlantic black sea hare (Aplysia morrio) at the St. Lucie County Aquarium.
  • Eastern Senegal parrot (Poicephalus senegalus mesotypus) in the Kids ZooU section of the Philadelphia Zoo.
  • Black crocodile newt (Tylototriton taliangensis) at the National Mississippi River Museum and Aquarium in Dubuque, IA.
  • Photo: Aymara parakeet (Psilopsiagon aymara) at Loro Parque Fundacion.
  • A rough-skinned newt (Taricha granulosa) at the Oregon Zoo.
  • Picture of a rainbow scarab (Phanaeus difformis), a type of North American dung beetle at the Dallas Zoo.
  • A mouse opossum (Thylamys elegans) at Omaha's Henry Doorly Zoo.
  • Photo: A Rio Cauca caecilian or rubber eel (Typhlonectes natans) at the Sedgwick County Zoo in Wichita, Kansas
  • Photo: A cordilleran parakeet (Psittacara frontatus minor) at Loro Parque Fundacion.
  • An Amazonian poison frog (Ranitomeya ventrimaculata) from a private collection.
  • Photo: African moon moth (Argema nimosae) at the Florida Museum of Natural History.
  • Photo: A male muskellunge (Esox masquinongy) from the Wisconsin Chippewa Foliage photographed at Great Lakes Aquarium in Duluth, Minnesota.
  • Photo: A red vented bulbul (Pycnonotus cafer) at the Plzen Zoo in the Czech Republic.
  • Photo: A black goshawk (Accipiter melanoleucus melanoleucus) at The International Centre for Birds of Prey in England.
  • Photo: A sand dollar (Echinodiscus bisperforatus) from the Gulf of Oman.
  • Sonoran mountain kingsnake (Lampropeltis pyromelana) at the Arizona-Sonora Desert Museum.
  • Photo: A mimic poison frog (Ranitomeya imitator) at Josh’s Frogs in Owosso, Michigan.
  • Photo: A male Greenland white-fronted goose (Anser albifrons flavirostris) at WWT Slimbridge in England.
  • A nymphal red-legged grasshopper (Melanoplus femurrubrum) found at Spring Creek Prairie.
  • Photo: A chestnut-sided warbler (Setophaga pensylvanica) at the Wildlife Rehab Center of Minnesota.
  • Photo: A white-throated magpie jay (Calocitta formosa pompata) at Wild Bird Rehabilitation Inc. in St. Louis, Missouri.
  • A vulnerable (IUCN) Quitobaquito pupfish (Cyprinodon macularis eremus).
  • A picture of a common raccoon (Procyon lotor hirtus) in Dunbar, Nebraska.
  • A California murre (Uria aalge californicus) egg from a collection at the University of Nebraska State Museum.
  • Photo: A critically endangered Javan slow loris (Nycticebus javanicus) at Jakarta Natural Resource Conservation Center in Indonesia.
  • Picture of a vulnerable southern crowned pigeon (Goura scheepmakeri) at Kamla Nehru Zoological Garden, Ahmedabad, India.
  • A Stuart's milksnake (Lampropeltis triangulum stuarti) at the Great Plains Zoo.
  • Photo: A Eurasian marsh-harrier (Circus aeruginosus aeruginosus) at the Al Ain Zoo in Abu Dhabi, United Arab Emirates.
  • A male, violet-backed starling (Cinnyricinclus leucogaster) at the Columbus Zoo.
  • Photo: An Australian sea apple (Pseudocolochirus axiologus) at the Dallas World Aquarium.
  • Photo: A red slate pencil urchin (Heterocentrotus mamillatus) at the Oklahoma City Zoo.
  • A gulf fritillary butterfly (Agraulis vanillae incarnata) at the Gladys Porter Zoo.
  • Photo: Iowa darter (Etheostoma exile) at the University Lab at the University of Minnesota in St. Paul.
  • Glasswing or clearwing (Greta oto) at the Henry Doorly Zoo and Aquarium.
  • Picture of a long-toed lapwing (Vanellus crassirostris) at Sylvan Heights Bird Park.
  • A vulnerable macaroni penguin (Eudyptes chrysolophus) at the Omaha Zoo.
  • Photo: A yellow spotted cochran frog (Sachatamia albomaculata) at Centro Jambatu in Quito, Ecuador.
  • Picture of an arrow crab (Stenorhynchus seticornis) at Pure Aquariums from the Gulf Specimen Marine Lab.
  • Photo: Long-tailed field mouse (Apodemus sylvaticus) at the Plzen Zoo in the Czech Republic.
  • Photo: A juvenile Northern green tree python, Morelia azurea pulcher) at Halesowen College, Halesowen, England
  • A picture of a yellow canary (Crithagra flaviventris) in Santa Cruz, Tenerife, Spain.
  • Photo: An Eastern Montpellier snake (Malpolon insignitus) at Prague Zoo.
  • Picture of a northern walkingstick (Diapheromera femorata) at the St. Louis Zoo.
  • Crowned snake (Tantilla relicta relicta) at the Archbold Biological Station. This animal was collected near Arcadia, Florida, in De Soto County.
  • Photo: A Guyana clawed gecko (Pseudogonatodes guianensis) from the wild in Manaus, Brazil.
  • European fire salamander (Salamandra salamandra bernardezi) at the St. Louis Zoo.
  • Photo: A spotted whip snake (Hemorrhois ravergieri) at Prague Zoo.
  • Photo: Holguin anole (Anolis noblei) at Wroclaw Zoo.
  • A golden silverside (Labidesthes vanhyningi) at the US Geological Survey Southeast Science Center.
  • A federally endangered woodland caribou (Rangifer tarandus caribou).
  • Photo: A thick-pincer scorpion (Vachoniolus globimanus) at Fujairah Wildlife in Fujairah, United Arab Emirates.
  • A butterfly mussel (Ellipsaria lineolata) at the Genoa National Fish Hatchery. This is one of 44 species of freshwater mussels still found in the upper Mississippi River near Prairie du Chien, WI.
  • Photo: A spotted python (Anaterisia maculosus) at the Lowry Park Zoo.
  • Picture of a strawberry poison dart frog (Oophaga (Dendrobates) pumilio) at Omaha's Henry Doorly Zoo.
  • Photo: An endangered Madagascar pond heron (Ardeola idae) at the Plzen Zoo in the Czech Republic.
  • Photo: Black hawk-eagle or tyrant hawk-eagle (Spizaetus tyrannus) at Parque Jaime Duque near Bogota, Colombia.
  • A picture of a Chilean black stag beetle (Apterodorcus bacchus) at Fauna Andina, a conservation center near south-central Chile.
  • A red fox (Vulpes vulpes vulpes) at Nebraska Wildlife Rehab.
  • A New Guinea singing dog (Canis lupus hallstromi) Miller Park Zoo.
  • A Platte River caddisfly (Ironoquia plattensis) in its larval stage.
  • A Gulf Coast toad (Incilius valliceps) at the San Antonio Zoo.
  • Photo: Kanzi the Bonobo (Pan paniscus) at the Ape Cognition and Conservation Initiative (ACCI) in Des Moines, Iowa.
  • A white-breasted nuthatch (Sitta carolinensis).
  • Photo: A female big-scaled least gecko (Sphaerodactylus macrolepis ateles) at Josh’s Frogs in Michigan.
  • Photo: A longhorn beetle (Eurysthea cribripennis) from the wild, photographed at Toucan Rescue Ranch in San Josecito, Costa Rica.
  • Photo: An Arabian caracal (Caracal caracal schmitzi) at the Al Wathba Breeding Center in Abu Dhabi, United Arab Emirates.
  • 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.
  • Budgett's frog (Lepidobatrachus laevis) at the National Aquarium in Baltimore.
  • A volcano rabbit (Romerolagus diazi) at Chapultepec Zoo in Mexico City. (IUCN: Endangered)
  • A federally threatened spectacled caiman (Caiman crocodilus crocodilus) at the Omaha Zoo.
  • Photo: A critically endangered eastern bongo (Tragelaphus eurycerus isaaci) at the North Carolina Zoo.
  • Photo: A Southern naked-tailed armadillo (Cabassous unicinctus squamicaudis) at Parque Zoológico Huachipa in Lima, Peru.
  • Photo: Trumpet green coral (Caulastraea curvata) at Butterfly Pavilion.
  • Picture of a vulnerable male long tailed duck or oldsquaw (Clangula hyemalis) in summer plumage at Patuxent Wildlife Research Center
  • A vulnerable (IUCN) greater prairie-chicken (Tympanuchus cupido.)
  • Picture of a cecropia moth caterpillar (Hyalophora cecropia) at the Minnesota Zoo.
  • Picture of a blue-necked tanager (Tangara cyanicollis) at the National Aviary breeding center in Palmar, Colombia.
  • Photo: A high fin loach (Myxocyprinus asiaticus) at the Singapore Zoo's River Safari area.
  • Photo: Adanson's mud turtle (Pelusios adansonii) at Lisbon Zoo.
  • Photo: A female Arabian Sundevall’s jird (Meriones crassus) at Arabia’s Wildlife Centre in Sharjah, United Arab Emirates.
  • Photo: Porcelain cockroach (Gyna lurida) at Wroclaw Zoo.
  • Photo: A male harpy eagle (Harpia harpyja) at the National Aviary of Colombia (Aviario Nacional de Colombia).
  • Photo: A Gabon Talapoin ( Miopithecus ogouensis) at Wroclaw Zoo.
  • Photo: Alaskan ronquil (Bathymaster caeruleofasciatus) at the Alaska SeaLife Center in Seward, AK.
  • Photo: A taillight shiner (Notropis maculatus) from a private collection in Knoxville, Tennessee.
  • Photo: A striped shore crab (Pachygrapsus crassipes) at California Science Center in Los Angeles, California.
  • Photo: An eastern sand gecko (Stenodactylus leptocosymbotes) photographed at the Arabia’s Wildlife Centre.
  • A picture of an endangered keeled box turtle (Cuora mouhotii) in an ivory color phase. This individual is from the Turtle Survival Center.
  • An endangered Carnaby's black cockatoo (Calyptorhynchus latirostris) at the Jurong Bird Park.
  • Photo: A Leptien’s spiny-tailed lizard (Uromastyx aegyptia leptieni) at Arabia’s Wildlife Centre in Sharjah, United Arab Emirates.
  • Photo: An endangered flat-headed cat (Prionailurus planiceps) at the Taiping Zoo.
  • Photo: An endangered Apennine yellow-bellied toad (Bombina pachypus) from a private collection in Goerlitz, Germany.
  • Photo: A Pueblan milk snake (Lampropeltis triangulum campbelli) at the Institute of Marine Mammal Studies (IMMS) at Gulfport, MS. This animal is part of their public education area.
  • Photo: An Appalachian brook crayfish (Cambarus bartonii) at the West Liberty University Crayfish Conservation Lab in West Liberty, Virginia.
  • Photo: Longhorn beetle (Cerambycidae sp) from the wild in Cameroon.
  • Photo: Grey gull (Leucophaeus modestus) at the Sedgwick County Zoo.
  • Picture of a Vietnamese eyelash viper or horned pit viper (Protobothrops cornutus) at the St. Louis Zoo.
  • Picture of a yellow-rumped mannikin (Lonchura flaviprymna) from a private collection.
  • Photo: A Catesby's snail-eater (Dipsas catesbyi) at the Urku Center, Tarapoto, Peru.
  • Photo: Panay blue tarantula (Orphnaecus sp.) photographed at Butterfly Pavilion in Westminster, Colorado.
  • Photo: A swallowtail shiner (Notropis procne) at the North Carolina Zoo in Asheboro, North Carolina.
  • Photo: A male regal jumping spider (Phidippus regius) at Verve Biotech in Waverly, Nebraska.
  • Photo: An endangered, male Bornean peacock-pheasant (Polyplectron schleiermacheri) at Waddesdon Manor Aviary, Waddesdon, England.
  • A female yellow-throated vireo (Vireo flavifrons) at the Brown Ranch, Texas.
  • Photo: An alternate tellin clam (Tellina alternata) photographed at Gulf Specimen Marine Lab and Aquarium.
  • A Choctawhatchee beach mouse (Peromyscus polionotus allophrys) a federally endangered rodent, at the USFWS office in Panama City, FL. This and several other beach mice subspecies are imperiled due to beach development.
  • A juvenile pelagic cormorant (Urile pelagicus resplendens) at the International Bird Rescue Center in San Pedro, CA.
  • Photo: Vulnerable European wisent (Bison bonasus) at the Madrid Zoo.
  • Picture of a black skimmer (Rynchops niger niger) named Boris at the Buttonwood Park Zoo in New Bedford, Massachusetts.
  • A federally endangered Mexican gray wolf (Canis lupus baileyi) at the Wild Canid Survival and Research Center.
  • Photo: A mosaic butterfly (Colobura dirce) at St. Louis Zoo.
  • Photo: A plains least weasel (Mustela nivalis campestris) at Nebraska Wildlife Rehab Center.
  • Endangered (IUCN) and federally endangered twin giant panda cubs (Ailuropoda melanoleuca) 100 days old, at Zoo Atlanta.
  • Photo: Orange lacewing (Cethosia penthesilea) at Melbourne Zoo.
  • Picture of a white-spotted gecko (Tarentola annularis) at the Great Bend Brit Spaugh Zoo in Great Bend, Kansas.
  • Photo: A Orlov’s fan-footed gecko (Ptyodactylus orlovi) photographed at the Arabia’s Wildlife Centre.
  • A black stork (Ciconia nigra) at the Fort Wayne Children's Zoo.
  • Photo: A south Arabian spiny-tailed lizard (Uromastyx yemenensis) at the Denver Zoo.
  • Photo: Eastern dwarf tree frog (Litoria fallaxs) at Melbourne Zoo
  • Photo: A juvenile rock eagle-owl (Bubo bengalensis) at the Plzen Zoo in the Czech Republic.
  • A small-mouthed salamander (Ambystoma texanum) from a private collection.
  • Photo: Agile gibbon (Hylobates agilis) at the Singapore Zoo.
  • Photo: A Florida rootworm beetle (Diabratica balteata) at the University of Florida in Gainesville.
  • Photo: A wattled lapwing (Vanellus senegallus lateralis) at Walsrode Bird Park in Walsrode, Germany.
  • A picture of an eastern barred bandicoot (Perameles gunnii) at the Melbourne Zoo.
  • Photo: A Kentucky warbler (Geothlypis formosa) near Hudson, Wisconsin, USA.
  • A vulnerable (IUCN) and federally threatened Florida sand skink (Plestiodon reynoldsi) at the Archbold Biological Station.
  • Miami blue butterfly (Cyclargus thomasi bethunebakeri). This species is being captive bred at the McGuire Center at the Univ. of Florida. Thousands have been released into the wild in South Florida over the past three years. So far, results are indeterminate. Fewer than 250 exist in the wild, making it one of the rarest butterflies in North America.
  • Photo: A critically endangered Coyne's harlequin frog (Atelopus coynei) at Centro Jambatu in Quito, Ecuador.
  • Photo: An Asian openbill stork (Anastomus oscitans) at Phnom Tamao Wildlife Rescue Center - Wildlife Alliance.
  • Juvenile mink (Neovison vison).
  • Photo: A Snake River sockeye salmon, Oncorhynchus nerka, at Eagle Fish Hatchery in Eagle, ID. This is an adult fish, hatched in 2018, and likely a female.
  • 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.
  • A pair of Abdim's storks, (Ciconia abdimii) also known as white-bellied storks at the Columbus Zoo.
  • Photo: New Mexico milksnake (Lampropeltis triangulum celaenops) at the Albuquerque BioPark Aquarium.
  • Photo: A Grand Comoro day gecko (Phelsuma v nigra comoraegrandensis) at the Plzen Zoo.
  • Photo: A bronze corydoras catfish (Corydoras aeneus) at Jurong Bird Park, part of Wildlife Reserves Singapore.
  • Photo: A red zebra cichlid (Maylandia estherae) from a private collection.
  • Picture of a spotted whistling duck (Dendrocygna guttata) at the Palm Beach Zoo.
  • A crevice spiny lizard (Sceloporus poinsettii) at the Rolling Hills Wildlife Adventure in Salina, KS
  • Photo: A male western yellow wagtail (Motacilla flava) at Pinola Conservancy.
  • Picture of a vulnerable Chinese goral (Naemorhedus griseus arnouxianus) at the Minnesota Zoo.
  • Picture of a giant Canada goose, Branta canadensis maxima, at Sylvan Heights Bird Park.
  • A picture of a corn snake (Pantherophis guttatus) at the Kansas City Zoo.
  • Photo: A Javan water monitor (Varanus salvator bivittatus) at Taman Mini Indonesia Indah.
  • Picture of a four-week old, male leopard cat (Prionailurus bengalensis chinensis).
  • A lesser flamingo (Phoeniconaias minor) at the Cleveland Metroparks Zoo.
  • Photo: A Rüppell’s fox (Vulpes rueppellii sabaea) photographed at Sheikh Butti Maktoum Wildlife in Dubai, United Arab Emirates.
  • Photo: Asiatic black-spined toad (Bufo melanostictus) at the Miller Park Zoo. These toads are common to the Indian subcontinent, where they wait under street lights to catch insects.
  • Picture of a leafy seadragon (Phycodurus eques) at the Dallas World Aquarium.
  • Photo: A Gray’s Arabica cowry (Cypraea grayana) from the Gulf of Oman.
  • Photo: Bulls-eye poison dart frog (Oophaga (Dendrobates) histrionicus) at the National Aquarium in Baltimore.
  • Northern grasshopper mouse (Onychomys leucogaster) at the Omaha Zoo.
  • Photo: A critically endangered, juvenile, male helmeted hornbill (Rhinoplax vigil) at Penang Bird Park.
  • Photo: A crab-eating raccoon (Procyon cancrivorus nigripes) at Parque de las Leyendas in Lima, Peru.
  • A yellow-naped Amazon parrot (Amazona auropalliata auropalliata) at the Sedgwick County Zoo.
  • Photo: A stargazing darter (Percina uranidea) from a private collection in Knoxville, Tennessee.
  • A Honduran milk snake (Lampropeltis triangulum hondurensis) at the Sedgwick County Zoo.
  • Photo: A Seipp's day gecko (Phelsuma seippi) at the Plzen Zoo.
  • Photo: Two common nighthawks (Chordeiles minor) at Nebraska Wildlife Rehab.
  • Photo: A water thick-knee (Burhinus vermiculatus) at Wildlife World Zoo, Aquarium & Safari Park in Litchfield Park, Arizona.
  • An African reed frog (Hyperolius argus) at the Rolling Hills Wildlife Adventure in Salina, KS.
  • Picture of Amazonian toad-frogs (Leptodactylus knudseni) at the Central Florida Zoo.
  • A red-billed leiothrix (Leiothrix lutea) at the Houston Zoo.
  • Photo: Zompro's walking stick (Parapachymorpha zomproi) at Wroclaw Zoo.
  • Photo: Blue-banded eggfly (Hypolimnas alimena) at Melbourne Zoo.
  • Photo: Black catfish (Neosilurus ater) at the Freshwater Ecology and Marine Biology Dept. at Templestowe College.
  • Photo: A Jabiru stork (Jabiru mycteria) at the National Aviary of Colombia.
  • Photo: A male Himalayan blue sheep (Pseudois nayaur nayaur) at Padmaja Naidu Himalayan Zoological Park in Darjeeling, India.
  • A ringed map turtle, Graptemys oculifera, at the National Mississippi River Museum and Aquarium in Dubuque, IA. This species is listed as endangered (IUCN) and federally threatened.
  • Photo: An East African black mud turtle (Pelusios subniger) at the Plzen Zoo.
  • A picture of a Colombian rainbow boa (Epicrates maurus) at the Great Plains Zoo.
  • A yellow-legged gull (Larus michahellis michahellis) at the Wildlife Rescue Center of Rome (LIPU).
  • A federally endangered Salt Creek tiger beetle (Cicindela nevadica lincolniana) in a lab at the University of Nebraska-Lincoln. With a count of fewer than 250 adults in the summer of 2007, this subspecies of tiger beetle could be the rarest insect in North America. Found only in the interior saline wetlands of Lancaster County, Nebraska, the beetle has been in decline for years due to habitat loss from development.
  • Photo: Blue clipper (Parthenos sylvia lilacina) at Malacca Butterfly and Reptile Sanctuary.
  • A picture of a Gunnison's prairie dog (Cynomys gunnisoni zuniensis) at Liberty Wildlife.
  • Photo: Rough-tailed bowfoot gecko (Cyrtopodion scabrum) from a private collection.
  • Photo: Flathead chub (Platygobio gracilis) collected from the Rio Grande River near Albuquerque, New Mexico.
  • Photo: A roadside hawk (Rupornis magnirostris petulans) at Toucan Rescue Ranch in San Josecito, Costa Rica.
  • Photo: An aplomado falcon (Falco femoralis femoralis) at the El Huayco Research and Raptor Breeding Center in Lima, Peru.
  • A musk ox (Ovibos moschatus moschatus) at the University of Alaska in Fairbanks, AK.
  • Photo: A corfu killifish (Valencia robertae) at the Zoological Society of London.
  • Photo: A scorpion mud turtle (Kinosternon scorpiodes) at the Chapultepec Zoo in Mexico City.
  • Photo: An Andean saddle-back tamarin (Leontocebus leucogenys) at Parque Zoológico Huachipa in Lima, Peru.
  • Photo: A New Calendonian giant gecko (Rhacodactylus leachianus leachianus) at Omaha’s Henry Doorly Zoo and Aquarium in Omaha, Nebraska.
  • Photo: An Eastern raccoon (Procyon lotor lotor) at the St. Francis Wildlife Association in Quincy, Florida.
  • Photo: A Thai Caves huntsman spider (Heteropoda sp.) at Verve Biotech in Waverly, Nebraska.
  • Photo: A female European black grouse (Lyrurus tetrix tetrix) at Lundi Farm in Verl, Germany.
  • Picture of a giant cowbird (Molothrus oryzivorus oryzivorus) at the National Aviary breeding center in Palmar, Colombia.
  • Photo: A juvenile little grebe (Tachybaptus ruficollis ruficollis) at Hessilhead Wildlife Rescue.
  • Photo: An endangered powder-blue panchax (Pachypanchax omalonotus) at the Zoological Society of London.
  • Photo: A slate-colored grosbeak (Saltator grossus) at Walsrode Bird Park in Walsrode, Germany.
  • Photo: A blue dyeing poison arrow frog (Dendrobates tinctorius sipaliwini) at the Omaha Henry Doorly Zoo and Aquarium.
  • Photo: A female northern turkey vulture (Cathartes aura septentrionalis) at Raptor Conservation Alliance in Elmwood, Nebraska.
  • Photo: A flower beetle (Gymnetis marmorea) at Aquarium Berlin.
  • Photo: Large rose beetle (Potosia aeruginosa) at the Budapest Zoo.
  • Photo: A bonnethead shark or shovelhead, Sphyrna tiburo, at Shark Reef Aquarium.
  • Ashy pit viper (Trimeresurus puniceus) at the Houston Zoo.
  • Photo: Spikedace (Meda fulgida) at the Aquatic Research and Conservation Center.
  • Photo: A bar-tailed godwit (Limosa lapponica) at Lundi Farm in Verl, Germany.
  • A federally endangered Bocaccio rockfish (Sebastes paucispinis) at East Bay Regional Park District.
  • Photo: An adult ladder snake (Rhinechis scalaris) at the Environmental Education Center of the Ribeiras de Gaia.
  • Scarlet macaws (Ara macao) at the Henry Doorly Zoo in Omaha, Nebraska.
  • A critically endangered Anderson's salamander (Ambystoma andersoni) at Zoo Atlanta.
  • Picture of an endangered (IUCN) and federally endangered siamang (Symphalangus syndactylus) at the Gibbon Conservation Center.
  • Photo: An Eastern Montpellier snake (Malpolon insignitus) at Prague Zoo.
  • Photo: A male long-wattled umbrellabird (Cephalopterus penduliger) at the Dallas World Aquarium.
  • Photo: Tri-colored hognose snake (Lystrophis pulcher) from a private collection.
  • Photo: White-eyed parakeet (Psittacara leucophthalmus leucophthalmus) from the town of Honnecourt Sur Escault, France.
  • A picture of a Western whiptail (Aspidoscelis tigris tigris) at Springs Preserve.
  • Photo: A giant Cortez hawkfish (Cirrhitus rivulatus) at the Downtown Aquarium in Denver, Colorado.
  • Photo: A Philippine honey buzzard (Pernis steerei) at the Avilon Zoo.
  • Photo: A blue crayfish or Peninsula crayfish (Procambarus paeninsulanus) at the Oklahoma Aquarium.
  • Photo: An Acadian flycatcher (Empidonax virescens) at the St. Francis Wildlife Association in Quincy, Florida.
  • Photo: A song sparrow (Melospiza melodia) at the Wildlife Rehabilitation Center of Minnesota.
  • Photo: Checkerboard dwarf cichlid (Dicrossus filamentosus) at L'aquarium tropical du palais de la Porte DorŽe.
  • A picture of an Eastern indigo snake, Drymarchon couperi, at the Toledo Zoo. This species is federally threatened.
  • Photo: Bulls-eye poison dart frog (Oophaga (Dendrobates) histrionicus) at the National Aquarium in Baltimore.
  • Photo: A Cape genet (Genetta tigrina) at North Somerset Bird of Prey Centre in England.
  • A picture of a wolf spider (Lycosidae sp.) at Graham's Quinta dos Malvedos Vineyard.
  • Four-striped grass mouse (Rhabdomys pumilio) at the Omaha Zoo.
  • Photo: A male African lion (Panthera leo) at Omaha's Henry Doorly Zoo and Aquarium.
  • Photo: Common loon (Gavia immer) in winter plumage at International Bird Rescue Center.
  • Photo: A juvenile gray catbird (Dumetella carolinensis carolinensis) begs for food from a nearby adult catbird, at Rum River Central Park.
  • Photo: Atlantic bumpers (Chloroscombrus chrysurus) at Gulf Specimen Marine Lab and Aquarium.
  • Picture of a red devil's finger sponge, Axinella, at Pure Aquariums from the Gulf Specimen Marine Lab.
  • Photo: A northern pearl dace (Margariscus nachtriebi) at the Schramm Education Center near Gretna, NE.
  • Photo: A New Calendonian giant gecko (Rhacodactylus leachianus leachianus) at Omaha’s Henry Doorly Zoo and Aquarium in Omaha, Nebraska.
  • An African golden oriole (Oriolus auratus) at the Columbus Zoo.
  • Picture of an endangered pygmy hippopotamus (Choeropsis liberiensis liberiensis) named Betty at the Omaha Zoo.
  • Picture of a green jay (Cyanocorax yncas) at the Houston Zoo.
  • Photo: Red sided garter snake (Thamnophis sirtalis infernalis) at the Exmoor Zoo.
  • Picture of a Keel-billed toucan (Ramphastos sulfuratus) at Tracy Aviary.
  • A picture of a painted buttonquail (Turnix varius varius) at the Healesville Sanctuary.
  • A Gould's monitor lizard (Varanus gouldii) at Omaha's Henry Doorly Zoo.
  • A Dekay's brownsnake (Storeria dekayi texana) collected from Nebraska.
  • A critically endangered Sumatran orangutan (Pongo abelii) named Susie, at the Gladys Porter Zoo.
  • Photo: Sulawesi bear cuscus (Ailurops ursinus) at Wroclaw Zoo in Poland.
  • A picture of a Cuvier's Madagascar swift iguana (Oplurus cuvieri cuvieri) in Madagascar.
  • A Brazilian rainbow boa (Epicrates c. cenchria) at the Kansas City Zoo.
  • Smooth-sided toad (Rhaebo guttatus) at the National Aquarium in Baltimore.
  • The 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 algific talus slopes. (US: Endangered; IUCN: Least Concern)
  • Photo: An Anatolian shepard (Canus lupus familiaris).
  • Picture of an albino house mouse (Mus musculus) named salt at the Point Defiance Zoo.
  • Photo: Four pupa of darkling beetle (Zophobas morio) at Centro Jambatu in Quito, Ecuador.
  • Photo: A northern water snake (Nerodia sipedon) from a private collection.
  • Photo: Pine Island cotton rat (Sigmodon hispidus) (subspecies is either insulicola or hispidus, tbd.) at Ding Darling National Wildlife Refuge on Sanibel Island, Florida.
  • A side-striped palm pit viper (Bothriechis lateralis) at the Houston Zoo, Houston, Texas.
  • A picture of an Asian box turtle (Cuora 'serrata') from the Turtle Survival Center.
  • Photo: Green oropendola (Psarocolius viridis) in Choussy, France.
  • Picture of a plate-billed mountain toucan (Andigena laminirostris) at the Dallas World Aquarium.
  • Photo: Female crane fly (Nephrotoma ferruginea) at Cedar Point Biological Station.
  • A hippopotamus (Hippopotamus amphibius) at the San Antonio Zoo. (IUCN: Vulnerable)
  • An Arizona ridge-nosed rattlesnake (Crotalus willardi willardi) at the St. Louis Zoo.
  • Photo: A pair of grey francolins (Francolinus pondicerianus mecranensis) at the Management of Nature Conservation, Jebel Hafeet, Abu Dhabi, UAE. The male has a white throat patch under its chin and the female has a yellow throat patch.
  • Photo: An oyster toadfish (Opsanus tau) at the Virginia Aquarium.
  • Photo: A tawny coaster (Acraea terpsicore) at Zoo Negara in Kuala Lumpur, Malaysia.
  • Photo: Eccentric sand dollar (Dendraster excentricus) at the Trinity Western University.
  • Little owl (Athene noctua noctua) from the Budapest Zoo.
  • Nene geese (Branta sandvicensis) at the Great Plains Zoo, Sioux Falls, South Dakota. (IUCN: Vulnerable; US: Endangered)
  • Photo: A barn swallow (Hirundo rustica rustica) at Hessilhead Wildlife Rescue.
  • Photo: A water monitor (Varanus salvator salvator) at Parco Natura Viva in Bussolengo, Italy.
  • Photo: A Madagascar girdled lizard (Tracheloptychus madagascariensis) at the Plzen Zoo.
  • Picture of a critically endangered and federally endangered, female South China tiger, Panthera tigris amoyensis, at the Suzhou Zoo in China
  • Photo: A grey-headed bushshrike (Malaconotus blanchoti hypopyrrhus) collected at Chitengo Camp in Gorongosa National Park.
  • Photo: Copulating scarlet tiger moths (Callimorpha dominula) at Wildfowl and Wetlands Trust Slimbridge in Slimbridge, England.
  • Picture of Dali, an endangered female great green macaw (Ara ambiguus) at Tracy Aviary.
  • A tri-color hognose snake (Lystrophis semicinctus) at the St. Louis Zoo.
  • A vulnerable (IUCN) and federally endangered American crocodile (Crocodylus acutus) at the Omaha zoo.
  • Picture of an Almirante morph of a strawberry poison frog (Oophaga pumilio) from a private collection.
  • Photo: Oleander aphids (Aphis nerii) at the Audubon Insectarium, part of the Audubon Nature Institute.
  • Photo: Green keel-bellied lizard (Gastropholis prasina) at Urban Ark Conservation
  • Photo: A yellow-crested cockatoo (Cacatua sulphurea parvula) at Ragunan Zoo in Jakarta, Indonesia.
  • Photo: A North American porcupine (Erethizon dorsatum dorsatum) from the Calgary Wildlife Rehabilitation Society in Alberta, Canada.
  • Photo: A critically endangered tadpole Lake Titicaca frog (Telmatobius culeus) at Denver Zoo.
  • Photo: White spotted puffer (Arothron hispidus) at Pure Aquariums.
  • Photo: Malayan krait or blue krait (Bungarus candidus) at the Sedgwick County Zoo. Drop for drop, the venom of this snake is among the deadliest in the world.
  • Photo: A yellow mongoose (Cynictis penicillata) at the Plzen Zoo.
  • Picture of an eastern milksnake (Lampropeltis triangulum triangulum) at the John Ball Zoo in Grand Rapids, Michigan.
  • Photo: A Japanese gull, Larus crassirostris, at the Plzen, Czech Republic.
  • 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)."
  • Photo: A blackfin goodea (Goodea atripinnis) at the ABQ BioPark.
  • A picture of a merlin (Falco columbarius columbarius) at Bay Beach Wildlife Sanctuary.
  • Photo: Peninsular barking deer (Muntiacus muntjak peninsulae) at Zoo Negara.
  • Photo: A purple tree spider (Tapinauchenius violaceus) at the Moscow Zoo.
  • Photo: A splendid garden-eel (Gorgasia preclara) at The National Aquarium in Abu Dhabi, United Arab Emirates.
  • Photo: Golden tree snake (Dendrelaphis punctulatus) at Moonlit Sanctuary
  • Photo: A sooty tern (Onychoprion fuscatus) at the Marathon Wild Bird Center in Marathon, Florida.
  • A greenhouse frog (Eleutherodactylus planirostris) at the Tulsa Zoo.
  • Photo: A puff adder (Bitis arietans) at Reptile Gardens.
  • Photo: Spotted scorpionfish (Scorpaena plumieri) at Ripley's Aquarium of Canada.
  • Picture of Common slipper shells (Crepidula fornicata) latched onto a discarded bottle in the Gulf of Mexico at Gulf Specimen Marine Lab and Aquarium.
  • A vulnerable (IUCN) and federally threatened Florida sand skink (Plestiodon reynoldsi) at the Archbold Biological Station.
  • Photo: A western screech owl (Magascops kennicottii bendirei) at the Wildlife Rehabilitation Center of Northern Utah.
  • Photo: A male least darter (Etheostoma microperca) from a private collection photographed at Conservation Fisheries.
  • Photo: A smooth helmeted iguana (Corytophanes cristatus) from the Tapir Valley of Costa Rica.
  • Photo: A funny slender-legged treefrog (Osteocephalus deridens) from the wild at Centro de Rescate Amazonico in Iquitos, Peru.
  • Photo: A chestnut cowrie (Neobernaya spadicea) at SeaWorld San Diego.
  • A forest hinge-back tortoise (Kinixys erosa) in a private collection in Houston, Texas.
  • Photo: An Atlantic sea scallop (Placopecten magellanicus) at the Maine State Aquarium in West Boothbay, ME.
  • Picture of a vulnerable dwarf Burmese python (Python bivittatus progschai) from a private collection.
  • A North American porcupine (Erethizon dorsatum bruneri) at the Denver Zoo, Denver, Colorado.
  • Photo: A cactus coral (Pavona cactus) at the Akron Zoo. This species is listed as vulnerable on the IUCN list.
  • Picture of Katrina, a federally endangered, black phased African leopard (Panthera pardus pardus), at the Alabama Gulf Coast Zoo.
  • Photo: A variable crayfish (Cambarus cf. latimanus) collected from Williamson Swamp Creek, Grantley, Alabama, by the West Liberty University Crayfish Conservation Lab. This species is brand new to science and will be named in the near future.
  • Photo: Atlantic Sturgeon (Acipenser oxyrinchus oxyrinchus) at the Welaka National Fish Hatchery Aquarium.
  • Picture of a blue and yellow macaw (Ara ararauna) at Ocean Park in Hong Kong.
  • Picture of an endangered Malagasy rainbow frog (Scaphiophryne gottlebei) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: A blue-spotted wood dove (Turtur afer) at a field museum in Gorongosa National Park.
  • Picture of a spur-winged Goose (Plectropterus gambensis) at the Cleveland Metroparks Zoo.
  • Picture of a Reichenow's helmeted guineafowl (Numida meleagris reichenowi) at Sylvan Heights Bird Park.
  • A Brazilian porcupine (Coendou prehensilis) at the Denver Zoo, Denver, Colorado.
  • Photo: A teardrop Elimia (Elimia lachryma) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.
  • Photo: An adult common lesser-thicktail scorpion (Uroplectes carinatus) at Verve Biotech in Waverly, Nebraska.
  • Photo: A male green iguana (Iguana iguana iguana) at IguanaLand in Punta Gorda, Florida.
  • A picture of a soprano pipistrelle, Pipistrellus pygmaeus pygmaeus, at Wildwood Trust near Canterbury, England.
  • Picture of a female yellowthroat (Geothlypis trichas ignota) at Tall Timbers Research Station and Land Conservancy.
  • Photo: A Jameson's firefinch (Lagonostricta rhodopareia jamesoni) at a field museum in Gorongosa National Park.
  • Photo: A desert eagle owl (Bubo ascalaphus desertorum) at the Dubai Safari Park in Dubai, United Arab Emirates.
  • Photo: Red squirrel (Tamiasciurus hudsonicus minnesota) at Bay Beach Wildlife Sanctuary
  • A vulnerable (IUCN) and federally threatened polar bear (Ursus maritimus) at the Tulsa Zoo.
  • Picture of a critically endangered grey-shanked douc langur (Pygathrix cinerea) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. This animal's name is Eric.
  • Photo: A brown trout (Salmo trutta morpha), wild caught on the Clark Fork River near Noxon, Montana.
  • Photo: A pair of Puerto Vallarta mud turtles (Kinosternon vogti) at Turtle Island.
  • Photo: A Pallas's long-tongued bat (Glossophaga soricina) at Omaha’s Henry Doorly Zoo and Aquarium in Omaha, Nebraska.
  • Photo: A Saharan striped polecat (Ictonyx libycus) at the Plzen Zoo.
  • Picture of an endangered yellow pond turtle (Mauremys mutica) from the Turtle Conservation Center in Cuc Phuong National Park, Vietnam.
  • An American green anole or Carolina anole (Anolis carolinensis) at the Audubon Zoo in New Orleans, Louisiana.
  • Portrait of a male northern bobwhite quail (Colinus virginianus).
  • Photo: A tui parakeet (Brotogeris sanctithomae sanctithomae) at Parque de las Leyendas in Lima, Peru.
  • A largemouth bass (Micropterus salmoides) at the Genoa National Fish Hatchery.
  • Photo: A giant Chinese tree frog (Rhacophorus dennysi) at Reptile Gardens.
  • Photo: A Madagascar iguana (Chalarodon madagascariensis) at Zoopark Zajezd.
  • Matecho morph of a dyeing dart frog (Dendrobates tinctorius) from a private collection.
  • Photo: An organ pipe coral (Tubipora musica) at Omaha’s Henry Doorly Zoo and Aquarium.
  • A Choctawhatchee beach mouse (Peromyscus polionotus allophrys) a federally endangered rodent, at the USFWS office in Panama City, FL. This and several other beach mice subspecies are imperiled due to beach development.
  • A mossy leaf-tailed gecko (Uroplatus sikorae) at the LA Zoo.
  • A picture of a gray rat snake (Pantherophis spiloides) at the Estuarium in Dauphin Island, AL.
  • Photo: Sand starfish (Astropecten polyacanthus) at Butterfly Pavilion.
  • New Guinea snapping turtle (Elseya novaeguineae) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • Photo: A giant red flying squirrel (Petaurista petaurista petaurista) at a private collection in Jakarta, Indonesia.
  • Bryn, the federally endangered Columbia Basin pygmy rabbit (Brachylagus idahoensis), sat for this portrait in 2007 at the Oregon Zoo in Portland, Oregon. She was one of two female Columbia Basin pygmy rabbits left, the end of the line for this species of animals. Since there are no males left, this means only animals intercrossed with the Idaho race will survive. She died in 2008, marking the end of her genetic line. This subpopulation lost its sagebrush habitat as the land was developed for agriculture in the state of Washington.
  • A juvenile southern leopard frog (Lithobates sphenocephalus) at Cape Canaveral.
  • Photo: Plumbeate marsupial frog (Gastrotheca plumbea) at Centro Jambatu.
  • Photo: A garden dormouse (Eliomys quercinus) at the Plzen Zoo in the Czech Republic.
  • Photo: A green anaconda (Eunectes murinus) at Parque Zoológico Huachipa in Lima, Peru.
  • Photo: An Eastern kingsnake (Lampropeltis getula getula) at the North Carolina Zoo in Asheboro, North Carolina.
  • Photo: A red finger gorgonian (Diodogorgia nodulifera) at the Butterfly Pavilion.
  • A southern three-banded armadillo (Tolypeutes matacus) at the Lincoln Children's Zoo, Lincoln, Nebraska. (IUCN: Near Threatened)
  • Picture of a grizzly bear (Ursus arctos horribilis) at the Sedgwick County Zoo.
  • Photo: A Fort Randolph robber frog (Pristimantis gaigei) at the Atlanta Botanical Garden.
  • Surinam toad (Pipa pipa) at the St. Louis Zoo.
  • Photo: A female Mona coqui frog (Eleutherodactylus monensis) at Zoo Atlanta.
  • Photo: Golden winged parakeet (Brotogeris chrysoptera tuipara) or Tuipara parakeet at Loro Parque Fundacion.
  • Photo: Adult darkling beetles (Zophobas morio) at Centro Jambatu in Quito, Ecuador.
  • Bryn, the federally endangered Columbia Basin pygmy rabbit (Brachylagus idahoensis), sat for this portrait in 2007 at the Oregon Zoo in Portland, Oregon. She was one of two female Columbia Basin pygmy rabbits left, the end of the line for this species of animals. Since there are no males left, this means only animals intercrossed with the Idaho race will survive. She died in 2008, marking the end of her genetic line. This subpopulation lost its sagebrush habitat as the land was developed for agriculture in the state of Washington.
  • Photo: A white-eyed conure (Aratinga leucophthalmus callogenys) at Parque de las Leyendas in Lima, Peru.
  • Photo: A desert horned lizard (Phryrnosoma platyrhinos) at the Fort Worth Zoo.
  • Photo: A rock eagle-owl (Bubo bengalensis) at the Plzen Zoo in the Czech Republic.
  • Photo: Blue backed parrot (Tanygnathus sumatranus sumatranus) at Loro Parque Fundacion.
  • Picture of a Hopkin's rose nubibranch (Hopkinsia rosacea) at the REEF, at the University of California, Santa Barbara.
  • A common tree shrew (Tupaia glis) at the Lincoln Children's Zoo.
  • Photo: Walking stick (Lobofemora scheirei) at the Budapest Zoo.
  • Photo: White-tailed sea-eagle (Haliaeetus albicilla) at the Plzen Zoo in the Czech Republic.
  • Picture of a whooping motmot (Momotus subrufescens) at the National Aviary breeding center in Palmar, Colombia.
  • Picture of a Nile crocodile (Crocodylus niloticus) at the St. Augustine Alligator Farm.
  • Photo: A San Jose false tarantula (Calisoga sp.) at Verve Biotech in Waverly, Nebraska.
  • A Choco toad (Rhaebo hypomelas) collected near Pilalo, Ecuador.
  • Photo: A group of masked bobwhite quail (Colinus virginianus ridgwayi) at the Sutton Avian Research Center near Bartlesville, Oklahoma.
  • Plains leopard frog (Lithobates blairi) at Fenton Farm.
  • Photo: A cape kurper (Sandelia capensis) at Plzen Zoo, in the Czech Republic.
  • Photo: Freshwater drum (Aplodinotus grunniens) at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • Scrawled cowfish (Acanthostracion quadricornis) at Ripley’s Aquarium of Canada.
  • Photo: Mountain parakeet (Psilopsiagon aurifrons aurifrons) at Loro Parque Fundacion.
  • A federally endangered juvenile male Alabama beach mouse (Peromyscus polionotus ammobates).
  • Picture of an endangered (IUCN) and federally endangered black-footed ferret (Mustela nigripes) at the Cheyenne Mountain Zoo.
  • Photo: A group of Arabian sand gazelles (Gazella marica), Arabian mountain gazelles (Gazella gazella cora) and Arabian gazelles (Gazella arabica) at the Dubai Safari Park in Dubai, United Arab Emirates.
  • Photo: A crane fly (Tipula sp.) collected on the Little River near Maryville Tennessee.
  • Photo: Short-nosed algae eating shrimp (Caridina longirostris) from a private collection.
  • A picture of a tantalus monkey (Chlorocebus tantalus tantalus) at Limbe Wildlife Center, a rescue and rehab center for wildlife in Limbe, Cameroon.
  • Photo: A male two-headed plains garter snake (Thamnophis radix) from Clay Center, Nebraska.
  • Photo: A small blue grecian (Heliconius sara sprucei) at the Butterfly Pavilion.
  • Picture of a Cereopsis or Cape Barren goose (Cereopsis novaehollandiae) at the Gladys Porter Zoo in Brownsville, Texas.
  • A picture of a cinereous finch (Piezorina cinerea) at the Sedgwick County Zoo.
  • Photo: A rubi poison frog (Ameerega parvula) at Centro Jambatu in Quito, Ecuador.
  • Picture of an orange-breasted waxbill (Amandava subflava) from a private collection.
  • Spiny-headed treefrog (Anotheca spinosa) from central America at Zoo Atlanta.
  • Picture of a Northern diamondback terrapin (Malaclemys terrapin terrapin) at the Palm Beach Zoo.
  • Photo: A jewel cichlid (Hemichromis bimaculatus) at the Singapore Zoo.
  • Juvenile golden redhorse (Moxostoma erythrurum) at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • Photo: A female double-eyed fig-parrot (Cyclopsitta diophthalma) photographed at Loro Parque Fundacion, Puerto de la Cruz, Tenerife.
  • Photo: A male brown leaf chameleon, Brookesia superciliaris, from a private collection.
  • A vulnerable Pebas stubfoot toad (Atelopus spumarius) tadpole collected near Pilalo, Ecuador.
  • A Japanese giant salamander (Andrias japonicus) at the San Antonio Zoo. (IUCN: Near Threatened)
  • Photo: A Yunnan bamboo pitviper (Trimeresurus yunnanensis) from a private collection.
  • Photo: A male Idaho ruffed grouse (Bonasa umbellus phaia) named Robbie at Grouse Park Waterfowl near Cascade, Idaho.
  • A malachite butterfly (Siproeta stelenes) at the Insectarium in New Orleans, Louisiana.
  • Photo: A Tennessee pigtoe (Pleuronaia barnesiana) collected on the Little River near Maryville Tennessee.
  • Picture of a male cotton pygmy goose (Nettapus coromandelianus coromandelianus) at Sylvan Heights Bird Park.
  • A endangered grey crowned crane (Balearica regulorum) with a darker vulnerable West African black-crowned crane (Balearica pavonina pavonina) at the Columbus Zoo, Columbus, Ohio.
  • Photo: A giant zonosaur (Zonosaurus maximus) in Madagascar.
  • A Black crested mangabey (Lophocebus aterrimus) at the Chattanooga Zoo.
  • Picture of a green aracari (Pteroglossus viridis) at the Lowry Park Zoo.
  • A Tuxtlan jumping pitviper or Olmecan pitviper (Atropoides olmec) at the Chapultepec Zoo, Mexico City, Mexico.
  • Photo: Grey triggerfish (Balistes capriscus) at Gulf Specimen Marine Lab and Aquarium.
  • A spotfin shiner (Cyprinella spiloptera).
  • A ferruginous hawk (Buteo regalis) at the Sutton Avian Research Center.
  • Picture of an American white ibis (Eudocimus albus albus) at the Caldwell Zoo in Tyler, Texas.
  • Photo: A critically endangered Siberian sturgeon (Acipenser baerii) at Shirley Aquatics in Wythall, England.
  • Photo: A wall of Photo Ark images at the Houston Zoo.
  • Picture of an Eastern long-nose viper, (Vipera ammodytes meridionalis) from Syrose, Greece, at the St. Louis Zoo.
  • Picture of a cecropia moth cocoon (Hyalophora cecropia) at the Minnesota Zoo.
  • Photo: A speckled crayfish (Cambarus lentiginosus) collected from Flint River, Alabama, by the West Liberty University Crayfish Conservation Lab.
  • Photo: A bicolor burrowing thick-tailed scorpion (Parabuthus raudus) at Verve Biotech in Waverly, Nebraska.
  • Picture of a white-fronted Amazon (Amazona albifrons albifrons) at Jurong Bird Park, part of Wildlife Reserves Singapore.
  • A saw-shelled turtle (Myuchelys latisternum) at the Australia Zoo Wildlife Hospital.
  • Photo: A yellow-crested cockatoo (Cacatua sulphurea parvula) at Ragunan Zoo in Jakarta, Indonesia.
  • Photo: A brown trout (Salmo trutta morpha), wild caught on the Clark Fork River near Noxon, Montana.
  • Photo: A braconid (parasitoid) wasp (Archibracon sp.) collected in the Mt. Gorongosa range, Gorongosa National Park, Mozambique.
  • Photo: Mindanao brown deer (Rusa marianna nigella) at Crocolandia in the Philippines.
  • A picture of a Gunnison's prairie dog (Cynomys gunnisoni zuniensis) at Liberty Wildlife.
  • Arizona mountain kingsnake (Lampropeltis pyromelana pyromelana) at the Tulsa Zoo.
  • Photo: A black goshawk (Accipiter melanoleucus melanoleucus) at The International Centre for Birds of Prey in England.
  • Photo: A Philippine giant centipede (Scolopendra sp.) at the University of the Philippines.
  • A red-and-yellow barbet (Trachyphonus erythrocephalus) at the Cincinnati Zoo.
  • A desert rosy boa (Lichanura trivirgata gracia) at the Miller Park Zoo in Bloomington, Illinois.
  • Picture of a warty nudibranch (Dendro wartii) at Pure Aquariums from the Gulf Specimen Marine Lab.
  • Photo: A horned parakeet (Eunymphicus cornutus) at Loro Parque Fundacion.
  • Photo: A stream anole (Anolis oxylophus) from the Tapir Valley of Costa Rica.
  • A red fox (Vulpes vulpes vulpes) at Nebraska Wildlife Rehab.
  • Photo: A millipede, Thyropygus siamensis, at ACCB in Siem Reap, Cambodia.
  • Photo: Behind the scenes look at a National Geographic Photo Ark shoot of American flamingos (Phoenicopterus ruber ruber) at the Lincoln Children's Zoo in Lincoln, NE.
  • Photo: Harper's beauty, Harperocallis flava, a federally listed plant from Florida.
  • Photo: Arizona mountain kingsnake (Lampropeltis pyromelana pyromelana) at the Arizona-Sonora Desert Museum.
  • Photo: A field mouse.
  • Green and black poison dart frog, Panama morph (Dendrobates auratus) from a private collection.
  • A southern walleye (Sander vitreus vitreus) at the Genoa National Fish Hatchery.
  • Photo: A juvenile European robin (Erithacus rubecula melophilus) at Hessilhead Wildlife Rescue.
  • Dunes sagebrush lizard (Sceloporus arenicolus) at the Albuquerque BioPark Aquarium.
  • Photo: A jaguar cichlid (Parachromis managuensis) at Shirley Aquatics in Wythall, England.
  • Picture of a male Guianan cock-of-the-rock (Rupicola rupicola) at the Dallas World Aquarium.
  • Picture of a rainbow lorikeet (Trichoglossus moluccanus) at the Columbus Zoo.
  • Photo: A Burmese black turtle (Melanochelys trijuga edeniana) at the Turtle Survival Center.
  • Photo: European medicinal leech (Hirudo medicinalis) at the Woodland Park Zoo.
  • Photo: Central American banded gecko (Coleonyx mitratus) at the Nashville Zoo.
  • A picture of a female collared finch bulbul (Spizixos semitorques semitorques) at the Sedgwick County Zoo.
  • Photo: Red-spotted burrowing frog (Lepodactylus laticeps) at the Lowry Park Zoo in Tampa, FL.
  • Photo: A critically endangered Loa water frog (Telmatobius dankoi) at the Zoológico Nacional de Chile (Chilean National Zoo).
  • Photo: A Smith’s redknee tarantula (Brachypelma smithi) at Josh’s Frogs in Owosso, Michigan.
  • A picture of a variable sand snake (Sonora stramineus) from a private collection.
  • Picture of a Western terrestrial garter snake or upper basin garter snake (Thamnophis elegans vagrans) from the wild in Utah.
  • A picture of a young middle-spotted woodpecker (Dendrocoptes medius) from the Budapest Zoo.
  • Photo: An LSD earth tiger (Thrigmopoeus psychedelicus). This species has a distinctive metallic blue-green sheen on both its carapace and abdomen.
  • A Houston toad (Anaxyrus houstonensis) at the San Antonio Zoo. (US: Endangered, IUCN: Endangered)
  • Photo: Chattering lory (Lorius garrulus flavopalliatus) at Loro Parque Fundacion.
  • An American lady butterfly (Vanessa virginiensis) from a prairie woodland near Cross Lake, Minnesota.
  • Photo: A red-capped peregrine falcon (Falco peregrinus babylonicus) at the Dubai Falcon Hospital in Dubai, United Arab Emirates.
  • Western black-chested buzzard-eagle (Geranoaetus melanoleucus australis) at Parque Jaime Duque near Bogota, Colombia.
  • Picture of a juvenile long-nosed potoroo (Potorous tridactylus) at the Healesville Sanctuary.
  • Photo: A female Western bluebill (Spermophaga haematina) from a private collection in St. Augustine, Florida.
  • Photo: An orchard oriole (Icterus spurius) in Hudson, Wisconsin.
  • A Chinese bamboo partridge (Bambusicola thoracicus) at Jurong Bird Park.
  • Photo: A Cuban Tree Frog (Osteopilus septentrionalis) from the Fish N Stuff pet store in Yankton.
  • A picture of a midland mud salamander (Pseudotriton montanus diastictus) at the Tennessee Aquarium.
  • An endangered (IUCN) and federally endangered bonobo (Pan paniscus) with her baby at the Columbus Zoo.
  • Picture of a Burton's legless lizard (Lialis burtonis) at the Cheyenne Mountain Zoo in Colorado Springs, CO.
  • Picture of an Ismenius tiger (Heliconius ismenius tilletti) at the Saint Louis Zoo.
  • Photo: An eastern sand gecko (Stenodactylus leptocosymbotes) photographed at the Arabia’s Wildlife Centre.
  • Photo: A blue-lipped sea krait (Laticauda laticaudata) at the Toledo Zoo.
  • Picture of a common waxbill (Estrilda astrild) from a private collection.
  • Oblong-winged katydids (Amblycorypha oblongifolia) at the Insectarium in New Orleans. These color variants are found in nature, though anything but green is usually eaten by predators immediately. The Insectarium has been a leader in breeding these color variants for display in the zoo community.
  • Photo: A female yellow-bellied marmot (Marmota flaviventris) at the hibernation study lab of Dr. Greg Florant at Colorado State University.
  • Western toad (Anaxyrus boreas) at the Sunriver Nature Center in Deschutes County, OR.
  • A picture of a red-spotted newt (Notophthalmus viridescens viridescens) in a juvenile or 'eft' stage, at Zoo Atlanta.
  • A vulnerable (IUCN) Komodo dragon (Varanus komodoensis) at the Houston Zoo.
  • Photo: Skeleton tarantula (Ephebopus murinus) at the Bugarium at the Albuquerque BioPark.
  • Photo: A male blacktip shiner (Lythrurus atrapiculus) from a private collection in Knoxville, Tennessee.
  • Picture of a Guianan cock-of-the-rock (Rupicola rupicola) at the Dallas World Aquarium.
  • Green toad (Anaxyrus debilis) at the Arizona-Sonora Desert Museum.
  • Photo: A golden gecko (Gecko badenii) at Scaly Dave's Herp Shack in Manhattan, KS.
  • Photo: Himalayan pit viper (Ancistrodon himalayanus) at Padmaja Naidu Himalayan Zoological Park.
  • Photo: Lined chiton (Tonicella lineata) at the Trinity Western University.
  • Photo: A piapiac (Ptilostomus afer) at Walsrode Bird Park in Walsrode, Germany.
  • Photo: Spot-billed Pelican (Pelecanus philippensis) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.
  • A small-mouthed salamander (Ambystoma texanum) from a private collection.
  • Photo: A male Egyptian sand gecko (Stenodactylus petrii) at Josh’s Frogs in Michigan.
  • Photo: An Isla Bonita robber frog (Craugastor crassidigitus) from the wild near the town of La Libia, Costa Rica.
  • Desert pupfish (Cyprinodon macularius), a federally endangered fish at the North Carolina Zoo.
  • Photo: A black palm cockatoo (Probosciger aterrimus stenolophus) at Bali Bird Park in Indonesia.
  • Photo: A hickorynut mussel (Obovaria olivaria) from the St. Croix River near Taylors Falls, Minnesota.
  • Photo: Nymph of a largeheaded grasshopper (Phoetaliotes nebrascensis) at Cedar Point Biological Station.
  • Picture of an endangered (IUCN) and federally endangered black-footed ferret (Mustela nigripes) at the Cheyenne Mountain Zoo.
  • A picture of a pipevine swallowtail (Battus philenor) at the Lincoln Children's Zoo. This species is not native to Nebraska and is found in eastern and southern U.S.
  • A Northern harrier (Circus hudsonius).
  • Photo: A galah, Eolophus roseicapilla.
  • Photo: A female hoary fox (Lycalopex vetulus) at Fundacao Jardim Zoologico de Brasilia.
  • A pair of South Georgia king penguins, Aptenodytes patagonicus patagonicus.
  • Photo: A male swallow tanager (Tersina viridis) at Walsrode Bird Park in Walsrode, Germany.
  • Photo: Single wattled cassowary (Casuarius unappendiculatus unappendiculatus) at the Avilon Zoo.
  • Photo: Red postman butterfly (Heliconius erato petiverana) in Gamboa, Panama.
  • Chiricahua leopard frog (Lithobates chiricahuensis), a vulnerable (IUCN) and federally threatened species, at the Phoenix Zoo.
  • A giant panda (Ailuropoda melanoleuca) at Zoo Atlanta. This endangered (IUCN) and federally endangered species is native to China.
  • Photo: A southeastern Luzon water monitor (Varanus dalubhasa) at the Avilon Zoo.
  • Rio Abiseo morph of the Pepperi poison dart frog (Ameerega pepperi).
  • Picture of a lesser siren (Siren intermedia texana) at the National Mississippi River Museum and Aquarium in Dubuque, Iowa.
  • A picture of a blue jay (Cyanocitta cristata cyanotephra) at the School of Biological Sciences at the University of Nebraska-Lincoln.
  • A violin mantis (Gongylus gongylodes) at the Omaha Henry Doorly Zoo, Omaha, Nebraska.
  • Picture of a vulnerable Leadbeater's ground hornbill (Bucorvus leadbeateri ) at the Gladys Porter Zoo in Brownsville, Texas.
  • A Texas tortoise (Gopherus berlandieri) at the Houston Zoo.
  • Western toad (Anaxyrus boreas) at the Sunriver Nature Center in Deschutes County, OR.
  • Photo: A blackstripe topminnow (Fundulus notatus) from North Fork Creek in Bedford County Tennessee.
  • An endangered (IUCN) and federally threatened Grevy's zebra (Equus grevyi) at the Lee G. Simmons Conservation Park and Wildlife Safari near Ashland, Nebraska.
  • A picture of a Eurasian sparrowhawk (Accipiter nisus nisus) at the Budapest Zoo.
  • Photo: A silver-eared laughingthrush (Trochalopteron melanostigma) at the Prague Zoo.
  • Photo: A Campeche Spiny-tailed Iguana (Cachryx alfredschmidti) at the Omaha Henry Doorly Zoo and Aquarium.
  • Picture of a magnificent tree frog (Litoria splendida) at the Wild Life Sydney Zoo.
  • A picture of an alligator pipefish (Syngnathoides biaculeatus) at Semirara Marine Hatchery Laboratory in the Philippines.
  • Photo: Rock cavy (Kerodon rupestris) at the Plzen Zoo in the Czech Republic.
  • An endangered female crowned lemur (Eulemur coronatus) at the Cleveland Metroparks Zoo.
  • 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.
  • Picture of red Texas harvester ants (Pogonomyrmex barbatus) at the Dallas Zoo.
  • Photo: An Eastern rosella (Platycercus eximius eximius) at Zoo Plzeň.
  • Photo: An unidentified turban snail (Turbo sp.) at the Akron Zoo.
  • Photo: Chinook Salmon (Oncorhynchus tshawytscha) at the University of California, Davis.
  • Photo: An endangered dwarf Mexican crayfish (Cambarellus patzcuarensis) from a private collection.
  • Picture of a black-necked aracari (Pteroglossus aracari) at the Dallas World Aquarium.
  • An endangered male northern yellow-cheeked gibbon (Nomascus annamensis) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. The animal’s name is ‘Bin’.
  • Picture of a long-bodied cellar spider (Pholcus phalangioides) at the Dallas Zoo.
  • Vine snake (Oxybelis aeneus) at the Arizona-Sonora Desert Museum.
  • A common moorhen (Gallinula galeata cachinnans) at the Virginia Aquarium.
  • A picture of a pair of oriental turtle doves (Streptopelia orientalis agricola) at Kamla Nehru Zoological Garden, Ahmedabad, India.
  • Arizona treefrog (Hyla wrightorum) at the Arizona-Sonora Desert Museum.
  • A picture of a Eurasian sparrowhawk (Accipiter nisus nisus) at the Budapest Zoo.
  • A beaded lizard (Heloderma horridum exasperatum) at Reptile Gardens.
  • Picture of a Bolivian gray titi (Callicebus donacophilus) named Beau at the Santa Barbara Zoo.
  • An Isla San Cristobal morph of the strawberry poison dart frog (Oophaga pumilio)
  • Photo: A hingeback tortoise (Kinixys homeana) from the Rolling Hills Wildlife Adventure.
  • A picture of an oriental pied hornbill (Anthracoceros albirostris albirostris) at the Assam State Zoo in Guwahati, Assam, India.
  • Photo: A juvenile red-breasted nuthatch (Sitta canadensis) at the Wildlife Rehabilitation Center of Minnesota.
  • Plains leopard frog (Lithobates blairi) at Fenton Farm.
  • Photo: An extinct Passenger pigeon (Ectopistes migratorius) at the University of Nebraska State Museum.
  • A crawfish (Procambarus acutus) at the Sedgwick County Zoo in Wichita.
  • A steppe eagle (Aquila nipalensis) at Ocean Park in Hong Kong.
  • A mudpuppy (Necturus maculosus) at the Genoa National Fish Hatchery.
  • Picture of a redstriped butterflyfish (Chaetodon lunula) at Omaha's Henry Doorly Zoo and Aquarium.
  • Picture of a blue-margined ground beetle (Pasimachus marginatus) at the Dallas Zoo in Dallas, Texas.
  • Crested caracara (Caracara cheriway) at Tampa's Lowry Park Zoo.
  • Picture of a juvenile western brush rabbit (Sylvilagus bachmani cinerascens) from a private collection.
  • Photo: A Bodin's festive amazon (Amazona festiva bodini) at the Jurong Bird Park.
  • Photo: A margined leatherwing (Chauliognathus marginatus) photographed at Spring Creek Prairie Audubon Center near Denton, NE. This animal was originally collected from Bobcat Prairie near Denton, NE
  • Photo: Calico clam (Macrocallista maculata) at Gulf Specimen Marine Lab.
  • Photo: A critically endangered Chinese pangolin (Manis pentadactyla pentadactyla) at Zoo Leipzig in Germany.
  • Photo: A Herrera's mud turtle (Kinosternon herrerai) from a private collection.
  • Photo: A female Jebel Hafeet spiny mouse (Acomys dimidiatus homericus) at Arabia’s Wildlife Centre in Sharjah, United Arab Emirates.
  • A picture of a giant water scavenger beetle (Hydrophilus triangularis) at Cedar Point Biological Station.
  • Picture of a vulnerable (IUCN) and federally threatened Florida scrub jay (Aphelocoma coerulescens).
  • Photo: Central California roach (Lavinia symmetricus symmetricus) at East Bay Regional Park District.
  • A rough-skinned newt (Taricha granulosa) at the Oregon Zoo.
  • Photo: A bignose unicornfish (Naso vlamingii) at the Aquarium of Boise in Boise, Idaho.
  • Photo: An Alaska red king crab (Paralithodes camtschatica) at the Alaska SeaLife Center.
  • Picture of a male green mantis (Hierodula stalii) at the St. Louis Zoo.
  • Photo: A white-tailed hawk (Geranoaetus albicaudatus hypospodius) at SIA, the Comanche Nation Ethno-Ornithological Initiative.
  • Picture of a wattled jacana (Jacana jacana) at the Dallas World Aquarium.
  • A critically endangered (IUCN) and federally endangered Philippine crocodile (Crocodylus mindorensis) at the Gladys Porter Zoo.
  • Picture of butterfly splitfins or butterfly goodeids (Ameca splendens) at the Denver Aquarium, Denver, Colorado. This species is considered extinct in the wild.
  • A white naped pheasant pigeon (Otidiphaps nobilis aruensis) at the Cincinnati Zoo.
  • A western massasauga (Sistrurus tergeminus tergeminus) at Reptile Gardens.
  • Photo: A yellow or eastern mantella (Mantella crocea) at the National Mississippi River Museum and Aquarium in Dubuque, IA.
  • A southern three-banded armadillo (Tolypeutes matacus) at the Lincoln Children's Zoo, Lincoln, Nebraska. (IUCN: Near Threatened)
  • Picture of a northwestern garter snake (Thamnophis sirtalis) at the Oregon Zoo.
  • Picture of a Perdido Key beach mouse (Peromyscus polionotus trissyllepsis) a federally-endangered rodent, at the Univ. of South Carolina.
  • Photo: A leaf katydid (Orophus sp.) from the Tapir Valley of Costa Rica.
  • Picture of a fulvous whistling duck (Dendrocygna bicolor) at The Living Desert in Palm Desert, California.
  • Photo: A male Common shiner (Luxilus cornutus) in breeding colors at the Minnesota Department of Natural Resources Center for Aquatic Mollusk Programs.
  • Picture of an endangered (IUCN) and federally endangered golden snub-nosed monkeys (Rhinopithecus roxellana) at Ocean Park.
  • Photo: Mountain patch-nosed snake (Salvadora grahamiae grahamiae) at the Arizona-Sonora Desert Museum.
  • Photo: A Pallas's long-tongued bat (Glossophaga soricina) at Bat Jungle in Monteverde, Costa Rica,
  • Picture of a spur-winged goose (Plectropterus gambensis) at the Cleveland Metroparks Zoo.
  • Photo: Asian leopard cat (Prionailurus bengalensis bengalensis) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.
  • Photo: A thick-billed murre (Uria lomvia) named Rudy at the North Carolina Zoo in Asheboro, North Carolina.
  • Photo: An austral parakeet, Enicognathus ferrugineus, at Loro Parque Fundacion.
  • Photo: A male guiña (Leopardus guigna guigna) from Fauna Andina in central-south Chile.
  • Photo: An azureu dying poison arrow frog (Dendrobates tinctorius azureus) at the Omaha Henry Doorly Zoo and Aquarium.
  • Photo: An oyster toadfish (Opsanus tau) at Loveland Living Planet Aquarium.
  • A picture of a female red crowned woodpecker (Melanerpes rubricapillus rubricapillus) at the National Aviary of Colombia.
  • Photo: Green clinging crab (Mithraculus sculptus) at the Loveland Living Planet Aquarium in Draper, UT.
  • Photo: Red winged parrot (Aprosmictus erythropterus coccineopterus) at Logo Parque Fundacion.
  • A vulnerable Southern bald ibis (Geronticus calvus) at the Houston Zoo.
  • Photo: Thai mahseer (Tor tambroides) at Zoo Negara.
  • A female mosquitofish (Gambusia affinis) at the Tulsa Zoo, Tulsa, Oklahoma.
  • Photo: Flower beetles (Pachnoda trimaculata) at the Moscow Zoo.
More images
Loading more images…