Patricio Robles Gil / Male Baja California / Peninsular pronghorn (Antilocapra americana peninsularis) semicaptive breeding facility, Biosphere Reserva of El Vizcaíno, Baja, Mexico, Critically endangered subspecies

Patricio Robles Gil / Male Baja California / Peninsular pronghorn (Antilocapra americana peninsularis) semicaptive breeding facility, Biosphere Reserva of El Vizcaíno, Baja, Mexico, Critically endangered subspecies

Patricio Robles Gil / Male Baja California / Peninsular pronghorn (Antilocapra americana peninsularis) semicaptive breeding facility, Biosphere Reserva of El Vizcaíno, Baja, Mexico, Critically endangered subspecies

Patricio Robles Gil / Male Baja California / Peninsular pronghorn (Antilocapra americana peninsularis) portrait, semicaptive breeding facility, Biosphere Reserva of El Vizcaíno, Baja, Mexico, Critically endangered subspec...

Patricio Robles Gil / Male Baja California / Peninsular pronghorn (Antilocapra americana peninsularis) portrait, semicaptive breeding facility, Biosphere Reserva of El Vizcaíno, Baja, Mexico, Critically endangered subspec...

Gerrit Vyn / Adult male Common Eider (Somateria mollissima) of the Pacific subspecies S. m. v-nigrum. Seward Peninsula, Alaska, USA, June.

Gerrit Vyn / Fox Sparrow (Passerella / Zonotrichia iliaca) of the "Red" subspecies zaboria, perched, Seward Peninsula, Alaska, USA, May.

Gerrit Vyn / Adult Orange-crowned Warbler (Vermivora celata) of the subspecies V. c. celata, perched on a branch, Seward Peninsula, Alaska, USA, June.

Gerrit Vyn / Fox Sparrow (Passerella / Zonotrichia iliaca) of the "Red" subspecies zaboria, perched, singing, Seward Peninsula, Alaska, USA, May.

Gerrit Vyn / Adult "Ipswich" Savannah Sparrow (Passerculus sandwichensis) of the subspecies P. s. princeps. Ocean County, New Jersey, USA, January.

Gerrit Vyn / Adult female North American Snow Goose (Chen caerulescens) of the Eastern subspecies C. c. atlantica, defending her nest. Bathurst Island, Nunavut, Canada. June.

Gerrit Vyn / Adult male Rock Ptarmigan (Lagopus mutus) of the subspecies L. m. rupestris in courtship or "supplemental" plumage. Nunavut, Canada.

Gerrit Vyn / Burrowing Owl (Athene cunicularia) of the subspecies A. c. floridana near its nest burrow. Cape Coral, Florida, USA

Gerrit Vyn / Adult Song Sparrow (Melospiza melodia) in Spring on mossy tree trunk. Eastern subspecies M. m. melodia. Tompkins County, New York, USA

Gerrit Vyn / Clapper Rail (Rallus longirostris) of the richly-colored Gulf Coast subspecies R. l. saturatus. Anahuac National NWR, Texas, USA

Gerrit Vyn / Clapper Rail (Rallus longirostris) of the richly-colored Gulf Coast subspecies R. l. saturatus. Anahuac National NWR, Texas, USA

Gerrit Vyn / Harris's Hawk (Parabuteo unicinctus) of the subspecies P. u. harrisi. Starr County, Texas.

Gerrit Vyn / Adult male Golden-fronted Woodpecker (Melanerpes aurifrons) of the subspecies M. a. aurifrons. Hidalgo County, Texas

Gerrit Vyn / Male Golden-fronted Woodpecker (Melanerpes aurifrons) of the subspecies M. a. aurifrons foraging on the ground. Starr County, Texas.

Gerrit Vyn / Long-billed Thrasher (Toxostoma longirostre) of the subspecies T. l. sennetti. Starr County, Texas

Gerrit Vyn / Golden-fronted Woodpecker (Melanerpes aurifrons) adult male of the subspecies M. a. aurifrons. Starr County, Texas.

Gerrit Vyn / Common Pauraque (Nyctidromus albicollis) adult, gray morph of the subspecies N. a. merrilli. These birds are often seen perched on dirt roads at night. Starr County, Texas

Tom Vezo / Floreana mockingbird portrait {Nesomimus parvulus} Genovesa Island subspecies, Galapagos,

Tim Laman / Crowned Guenon (Cercopithecus pogonias pogonias) monkey in rainforest. Endemic subspecies to Bioko Island, Equatorial Guinea, January

Tim Laman / Putty-nosed guenon (Cercopithecus nictitans stampflii) male feeding in fig (Ficus sp) tree. Endemic subspecies to Bioko Island, Equatorial Guinea, January

Tim Laman / Putty-nosed guenon (Cercopithecus nictitans stampflii) male feeding in fig (Ficus sp) tree. Endemic subspecies to Bioko Island, Equatorial Guinea, January

Tim Laman / Pennant's Red Colobus (Procolobus pennantii pennantii) monkey in rainforest. Adult male. Critically endangered species, endemic subspecies to Bioko Island, Equatorial Guinea, January

Tim Laman / Bioko red-eared guenon (Cercopithecus erythrotis erythrotis) male in rainforest, Endemic subspecies to Bioko Island, Equatorial Guinea, Endangered Species, January

Tim Laman / Allen's squirrel bushbaby (Galago / Sciurocheirus alleni alleni) peering from a crack in its roosting tree, Endemic subspecies to Bioko Island, Equatorial Guinea, January

Tim Laman / Crowned Guenon (Cercopithecus pogonias pogonias) male in rainforest in the upper Caldera, Endemic subspecies to Bioko Island, Equatorial Guinea, January

Tim Laman / Putty-nosed guenon (Cercopithecus nictitans stampflii) male feeding in fig (Ficus sp) tree. Endemic subspecies to Bioko Island, Equatorial Guinea, January

Tim Laman / Putty-nosed guenon (Cercopithecus nictitans stampflii) male feeding in fig (Ficus sp) tree. Endemic subspecies to Bioko Island, Equatorial Guinea, January

Wild Wonders of Europe / Schandy / Young Caucasian brown bear (Ursus arctos meridionalis) maybe 2 years, grazing on slopes above treeline, Alibek valley near Dombay, Teberdinsky biosphere reserve, Caucasus, Russia, July 2008

Pete Oxford / Giant tortoise (Geochelone elephantopus abingdoni) 'Lonesome George' the last of the Pinta Island tortoise subspecies (Geochelone nigra abingdoni) stretching neck to get leaves, captive, Charles Darwi...

Pete Oxford / Giant tortoise (Geochelone elephantopus abingdoni) 'Lonesome George' the last of the Pinta Island tortoise subspecies (Geochelone nigra abingdoni), captive, Charles Darwin Station, Santa Cruz island,...

Pete Oxford / Giant tortoise (Geochelone elephantopus abingdoni) 'Lonesome George' the last of the Pinta Island tortoise subspecies (Geochelone nigra abingdoni) with Fausto Llerena the National Park Guard who broug...

Nick Upton / Parnassus / Mountain apollo butterfly, Thessaly / Mount Olympus subspecies (Parnassius apollo olympiacus) sun basking at 1500m on Mount Olympus, Greece.

Pete Oxford / Giant Tortoise (Geochelone elephantopus abingdoni) 'Lonesome George' the last of the Pinta Island Tortoise subspecies (Geochelone nigra abingdoni), captive, Charles Darwin Station, Santa Cruz island...

Pete Oxford / Giant Tortoise (Geochelone elephantopus abingdoni) 'Lonesome George' the last of the Pinta Island Tortoise subspecies (Geochelone nigra abingdoni) feeding, captive, Charles Darwin Station, Santa Cru...

Pete Oxford / Giant Tortoise (Geochelone elephantopus abingdoni) 'Lonesome George' the last of the Pinta Island Tortoise subspecies (Geochelone nigra abingdoni), captive, Charles Darwin Station, Santa Cruz island...

Pete Oxford / Giant Tortoise (Geochelone elephantopus abingdoni) 'Lonesome George' the last of the Pinta Island Tortoise subspecies (Geochelone nigra abingdoni), captive, Charles Darwin Station, Santa Cruz island...

Pete Oxford / Giant Tortoise (Geochelone elephantopus abingdoni) 'Lonesome George' the last of the Pinta Island Tortoise subspecies (Geochelone nigra abingdoni), captive, Charles Darwin Station, Santa Cruz island...

Tim Laman / Tule elk (Cervus elaphus nannodes) stags, an endemic subspecies found only in California. Point Reyes National Seashore, California.

Tim Laman / Tule elk (Cervus elaphus nannodes) stag roaring / rutting, an endemic subspecies to California. Point Reyes National Seashore, California.

Tim Laman / Tule elk (Cervus elaphus nannodes) stag walking, an endemic subspecies found only in California. Point Reyes National Seashore, California.

Tim Laman / Clapper rail (Rallus longirostris levipes), Californian subspecies. Corte Madera Marsh, California.

Tim Laman / Clapper rail (Rallus longirostris levipes), Californian subspecies, swimming in the Corte Madera Marsh, California.

Gary K. Smith / Early Marsh Orchid {Dactylorhiza incarnata coccinea} Norfolk subspecies, growing with Marsh Helleborine {Epipactis palustris} on coastal dune slacks, Norfolk, UK, July

Gary K. Smith / Early Marsh Orchid {Dactylorhiza incarnata coccinea} Norfolk subspecies, growing in coastal dune slacks Norfolk, UK, July

Paul Hobson / Western Grey Kangaroo, Kangaroo Island subspecies {Macropus fuliginosus fuliginosus} male scratching, Kangaroo Island, South Australia

Paul Hobson / Western Grey Kangaroo, Kangaroo Island subspecies {Macropus fuliginosus fuliginosus} Kangaroo Island, South Australia

Paul Hobson / Western Grey Kangaroo, Kangaroo Island subspecies {Macropus fuliginosus fuliginosus} large joey feeding, Kangaroo Island, South Australia

Paul Hobson / Western Grey Kangaroo, Kangaroo Island subspecies {Macropus fuliginosus fuliginosus} in habitat, Kangaroo Island, South Australia

Niall Benvie / Female Peregrine falcon (Falco peregrinus, subspecies brookei) on rock, captive, Scotland

Bruno D'Amicis / Wild European brown bear (Ursus arctos subspecies) sow with cub in sorrel field. Tatra NP, Slovakia

Bruno D'Amicis / Italian dormouse / Hazelmouse (Muscardinus avellanarius speciosus) handled by a biologist. Italian endemic subspecies, Lazio, Italy

Bruno D'Amicis / Italian dormouse / Hazelmouse (Muscardinus avellanarius speciosus) on tree, showing distinctive head pattern of this Italian endemic subspecies. Lazio, Italy

Bruno D'Amicis / Italian dormouse / Hazelmouse (Muscardinus avellanarius speciosus) in oakwood. Italian endemic subspecies. Lazio, Italy.

Pete Oxford / 'Lonesome George' the Giant Galapagos tortoise (Geochelone elephantopus abingdoni) from Pinta Is, captive, Charles Darwin Research Staion, Santa Cruz, Galapagos

Pete Oxford / Lonesome George - the Giant Galapagos tortoise (Geochelone elephantopus abingdoni) from Pinta Is, captive, Charles Darwin Research Staion, Santa Cruz, Galapagos

Dave Watts / Richard's Pipit (Anthus novaeseelandiae richardi), Tasmania, Australia

Rolf Nussbaumer / Long-tailed Tit (Aegithalos caudatus), northern subspecies, with nesting material, Oberaegeri, Switzerland. April 1995

Philippe Clement / Broad-banded copperhead (Agkistrodon contortrix laticinctus) captive, Costa Rica

Philippe Clement / Broad-banded copperhead (Agkistrodon contortrix laticinctus) captive, Costa Rica

Patricio Robles Gil / Blue Monkey (Cercopithecus mitis) sitting in tree, subspecies endemic to Maputoland Pondoland, Albany, South Africa

LYNN M. STONE / Bobcat {Felis rufus} captive, Florida subspecies, USA

Bernard Castelein / Masked booby (Sula dactylatra granti) standing on rock, Genovesa, Galapagos, Ecuador, South America, endemic subspecies

Steve Knell / Arctic fox cub {Vulpes lagopus} front portrait in summer, Fenno-Scandia subspecies, Sweden

Steve Knell / Two Arctic fox cubs {Vulpes lagopus} close to den in summer, Fenno-Scandia subspecies, Sweden

Dave Watts / Bennett's wallaby {Macropus rufogriseus rufogriseus} Tasmanian subspecies of Red necked wallaby, female with joey in pouch, Tasmania, Australia.

Eric Baccega / Two Rainbow lorikeets {Trichoglossus haematodus mitchelii} occurs Indonesia

Eric Baccega / Rainbow lorikeet {Trichoglossus haematodus mitchellii} occurs Indonesia

Niall Benvie / Female Peregrine falcon portrait (Falco peregrinus) European subspecies brookei

Dave Watts / Bennett's Wallaby {Macropus rufogriseus rufogriseus} - subspecies of Red necked wallab with joey in pouch, Tasmania

Dave Watts / Bennett's Wallaby {Macropus rufogriseus rufogriseus} - subspecies of Red necked wallaby with joey in snow Tasmania

Niall Benvie / Peregrine falcon female on pheasant prey (subspecies brookei from south Europe)

Niall Benvie / Peregrine falcon female on pheasant prey, subspecies brookei from southern Europe. Captive bird.

David Pike / Northern Red fox subspecies in snow {Vulpes vulpes schrencki} captive, Japan

Niall Benvie / Peregrine falcon female (Falco peregrinus) subspecies brookei from southern Europe

Niall Benvie / Peregrine falcon (female) on rocks. Subspecies brookei from southern Europe

Niall Benvie / Peregrine falcon (female) on rocks. Subspecies brookei from southern Europe. Captive bird.

Anup Shah / Indochinese subspecies of tiger (Panthera tigris corbetti) captive

Bristol City Museum / Extinct Plains Zebra subspecies - Equus quagga burchelli. There are several subspecies of Plains Zebra with stripes that range from more black and white towards the north of its range to more brown an...

Pete Oxford / King Cheetah portrait {Acinonyx jubatus} De Wildt Wildlife Sanctuary South Africa

Dave Watts / Short beaked echidna young in nest {Tachyglossus aculeatus} Tasmanian subspecies, Australia

John Cancalosi / Mother and young spotted owl, Mexican subspeices {Strix occidentalis lucida}, Mexico

Martin Camm / Carwardine / Illustration of Javan Tiger (Panthera tigris), which inhabited the Indonesian island of Java and was one of the three subspecies limited to islands. This subspecies became extinct in the 1980s. (Wildl...

Steven David Miller / Caterpillar larva of Io moth {Automeris io} Florida subspecies, Florida, USA

Thomas Mangelsen / Coue's Deer (Odocoileus virginianus couesi) a dwarf subspecies of the White-tailed Deer, fawn resting in pine forest, southeast Arizona

Carine Schrurs / Octopus {Octopus aegina} using tin can for cover. Anilao Batangas Philippines ocellate

David Pike / Northern Red fox subspecies in grass {Vulpes vulpes schrencki} Tsurui Mura Japan

David Pike / Northern Red fox subspecies in grass {Vulpes vulpes schrencki} Tsurui Mura Japan

David Pike / Northern Red fox subspecies C in snow {Vulpes vulpes schrencki} Tsurui Mura Japan . Not available for ringtone/wallpaper use.

David Pike / Northern Red fox subspecies in grass {Vulpes vulpes schrencki} Tsurui Mura Japan

Carine Schrurs / Octopus {Octopus aegina} using seashell for cover. Anilao Batangas Philippines ocellate

David Pike / Northern Red fox subspecies C in snow {Vulpes vulpes schrencki} Tsurui Mura Japan