Jane Burton / Sable Border Collie puppy, 9 weeks, looking over his shoulder.

Jane Burton / Sable Border Collie puppy, 9 weeks, sitting.

Jane Burton / Two Sable Border Collie puppies.

Sergey Gorshkov / Japanese sable (Martes zibellina) resting in tree, Kamchatka, far east Russia, May

Alex Mustard / Caribbean reef shark (Carcharhinus perezi) over sand ripples, Walkers Cay, Bahamas. Tropical West Atlantic Ocean. Taken with natural light.

Alex Mustard / A lone Caribbean reef shark (Carcharhinus perezi) cruises over sand ripples. Walkers Cay, Northern Bahama Islands, Republic of Bahamas.

Pete Oxford / Lioness {Panthera leo} catching a Sable {Hippotragus niger} antelope, Hwange National Park, Zimbabwe, Southern Africa. Sequence

Jane Burton / Sable Border Collie bitch, with chin on sleeping puppy

Pete Oxford / African Lion (Panthera leo) female bringing down Sable Antelope (Hippotragus niger), Africa

Jane Burton / Fawn Dutch rabbit with sleeping Sable-and-white Border Collie pup.

Tony Heald / Sable antelope (Hippotragus niger) male drinking, Hwange National Park, Zimbabwe October 2012

Sharon Heald / Sable antelope (Hippotragus niger) female with Yellow-billed Oxpecker (Buphagus africanus) on back, Hwange National Park, Zimbabwe October 2012

Bryan and Cherry Alexander / Sable skins hanging up outside at a Selkup hunter's winter camp near Ratta, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Yalena, an elderly Selkup woman holds sable skins caught by her husband at their winter camp in the forest. Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Kosta, a Selkup hunter, baiting a trap with fish to catch sable in the forest in winter. Krasnoselkup, Yamal, Western Siberia. Russia 2012

Bryan and Cherry Alexander / Kosta, a Selkup hunter, setting a trap to catch sable in the forest in winter. Krasnoselkup, Yamal, Western Siberia. Russia 2012

Bryan and Cherry Alexander / Sable skins hanging up outside at a Selkup hunter's winter camp near Ratta, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Kosta, a Selkup hunter, rests on his snowmobile while out checking his sable traps in the forest. Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Kosta, a Selkup hunter, driving a snowmobile to check his sable traps in the forest. Krasnoselkup, Yamal, Western Siberia, Russia 2012

Christophe Courteau / Sable Antelope (Hippotragus niger) bull showing Flehmen response to female hormones, Okavango Delta, Botswana

Claudio Contreras / Sand Dollar (Echinarachnius parma) on beach sand. San Quintin, Baja California, Mexico, April.

Claudio Contreras / Sand Dollars (Echinarachnius parma) in shallow water. San Quintin, Baja California, Mexico.

Claudio Contreras / Sand Dollar (Echinarachnius parma) with water in motion. San Quintin, Baja California, Mexico, April.

Petra Wegner / Rough Collie, puppy, sable-white, 8 weeks, sitting portrait.

Petra Wegner / Rough Collie, puppy, sable-white, 8 weeks, sitting looking to the side

Petra Wegner / Rough Collie, puppy, sable-white, 8 weeks, lying down portrait.

Sergey Gorshkov / Leopard (Panthera pardus) two individuals with Sable carcass (Hippotragus niger) Okavango Delta, Botswana

Bryan and Cherry Alexander / Siberian sable (Martes zibellina) in cage at a fur farm in the Yamal, Western Siberia, Russia, August 2008.

Nick Upton / White limestone cliffs with sections that have collapsed into the sea. "Le Grain de Sable" (grain of sand) sea stack is central. Bonifacio, southern tip of Corsica, France, May 2010.

Nick Upton / White limestone cliffs with sections that have collapsed into the sea. "Le Grain de Sable" (grain of sand) sea stack is to the right. Bonifacio, southern tip of Corsica, France, May 2010.

Jane Burton / Blue-eyed sable merle Border Collie puppy.

Jane Burton / Shaded sable Border Collie dog, sitting and looking up into the camera.

Jane Burton / Sable Border Collie puppy, 9 weeks, sitting.

Jane Burton / Sable Border Collie bitch Lollipop with her tricolour puppy.

Jane Burton / Shaded sable Border Collie sitting, chin pointing up.

LYNN M. STONE / Pair of German Shepherd Dogs, sable-colored female and black male sitting by a stream. St. Charles, Illinois, USA, November.

LYNN M. STONE / German Shepherd, sable colored female, lying in fallen maple leaves. St. Charles, Illinois, USA, November.

Juergen Freund / Black tip reef shark (Carcharhinus melanopterus) patrolling the shallows. Misool, Raja Ampat, West Papua, Indonesia.

Sergey Gorshkov / Japanese sable (Martes zibellina) foraging on rocky shore with icicles, Kamchatka, far east Russia, January

Sergey Gorshkov / Japanese sable (Martes zibellina) foraging on rocky shore with snow, Kamchatka, far east Russia, January

Sergey Gorshkov / Japanese sable (Martes zibellina) on branch of tree, Kamchatka, far east Russia, January

Sergey Gorshkov / Japanese sable (Martes zibellina) climbing tree, Kamchatka, far east Russia, January

Sergey Gorshkov / Japanese sable (Martes zibellina) foraging on snow, Kamchatka, far east Russia, January

Sergey Gorshkov / Japanese sable (Martes zibellina) foraging on snow, Kamchatka, far east Russia, January

Sergey Gorshkov / Japanese sable (Martes zibellina) foraging on snow, Kamchatka, far east Russia, May

Angelo Gandolfi / View of the white cliffs of Bonifacio. The large boulder (right) fell from the main block 800 years ago. It's called "grain de sable" (grain of sand). Corsica island, France, February 2010

Alex Mustard / Outline of an Angelshark (Squatina squatina) buried in the sand. Gran Canaria, Canary Islands, Spain. East Atlantic Ocean.

Alex Mustard / Diver photographing an Angelshark (Squatina squatina) as it rests on the seabed. Gran Canaria, Canary Islands, Spain.

Alex Mustard / A lemon shark (Negaprion brevirostris) drags its pectoral fin through the sand as it swims accompanied by Remoras / Sharksuckers (Echeneis naucrates). Little Bahama Bank. Bahamas. Tropical West Atlant...

Alex Mustard / Dusky shark (Carcharhinus obscurus) investigating a scuba diver. Cat Island, Bahamas. July

Aflo / Japanese Sable {Martes zibellina brachyura} climbing tree, Japan

Aflo / Japanese Sable {Martes zibellina brachyura} climbing tree, Japan

Aflo / Japanese Sable {Martes zibellina brachyura} Japan

Aflo / Japanese Sable {Martes zibellina brachyura} Japan

Aflo / Japanese Sable {Martes zibellina brachyura} climbing tree, Japan

Aflo / Japanese Sable {Martes zibellina brachyura} climbing tree, Japan

Sergey Gorshkov / Sable (Martes zibellina) sniffing log, Kamchatka, Russia

Sergey Gorshkov / Sable (Martes zibellina), Kamchatka, Russia

Sergey Gorshkov / Sable (Martes zibellina) walking on snow, Kamchatka, Russia

Sergey Gorshkov / Sable (Martes zibellina) walking on snow, Kamchatka, Russia

Sergey Gorshkov / Sable (Martes zibellina) walking on snow, Kamchatka, Russia

Sergey Gorshkov / Sable (Martes zibellina) in tree, Kamchatka, Russia

Sergey Gorshkov / Sable (Martes zibellina) walking on snow, Kamchatka, Russia

Sergey Gorshkov / Sable (Martes zibellina) on snow, Kamchatka, Russia

Robert Thompson / Argent and sable moth (Rheumaptera hastata hastata) Lough Alaban, County Fermanagh, Northern Ireland, UK, June

Albert Lleal / Sand dollars, Venezuela

Wild Wonders of Europe / Pitkin / Bonifacio, most southerly town in Corsica and port for the Lavezzi Islands, which lie approximately 10 km SE, limestone coastline, with Grain de Sable rock, Corsica, France, September 2008

Philippe Clement / Pea urchin (Echinocyamus pusillus) shells, Belgium

Fred Bavendam / Sand Dollar (Echinarachnius parma) group, Schoodic Point, Acadia National Park, Maine

Jeff Rotman / Public dissection of Dusky Shark (Carcharhinus obscurus) Natal Sharks Board, Umhlanga, South Africa

Jeff Rotman / Diver with anti-shark POD examines Dusky Shark (Carcharhinus obscurus) caught in anti-shark net. Durban Beach, Natal Sharks Board, Umhlanga, South Africa Model released.

Thomas Lazar / Big Sable Lighthouse on Big Sable Point at dawn, Lake Michigan shoreline, Michigan, USA

Thomas Lazar / Weathered boardwalk leading up to Big Sable Lighthouse on Big Sable Point, Lake Michigan shoreline, Michigan, USA

Igor Shpilenok / Japanese Sable {Martes zibellina} feeding on Salmon, Kronotsky Zapovednik, Kamchatka, Far East Russia. The reserve was originally created as a sanctuary for the overhunted Sable.

Igor Shpilenok / American mink {Mustela vison} with face covered in snow, Kronotsky Zapovednik, Kamchatka, Far East Russia. American mink, first introduced to Russia last century, compete with sable and other local sp...

Igor Shpilenok / Japanese Sable {Martes zibellina} Kronotsky Zapovednik, Kamchatka, Far East Russia. The reserve was originally created as a sanctuary for the overhunted Sable.

Tony Heald / Male Sable antelope (Hippotragus niger) feeding, Chobe NP, Botswana

Pete Oxford / Sable antelope (Hippotragus niger) herd walking, Hwange NP, Zimbabwe

Tony Heald / Male Sable antelope (Hippotragus niger) chasing another male antelope, Hwange, Zimbabwe

Richard Du Toit / Sable antelope (Hippotragus niger) male herd in winter, with birds on backs, Moremi wildlife reserve, Botswana

Pete Oxford / Sable antelopes (Hippotragus niger) Moremi Wildlife Reserve, Botswana

Pete Oxford / Group of Sable antelopes (Hippotragus niger) drinking at water, with an Ostrich (Muricella plectana) pair, Hwange NP, Zimbabwe

Sue Flood / Sable Antelope (Hippotragus niger) in Hwange National Park, Zimbabwe

Sergey Gorshkov / Sable (Martes zibellina) portrait, Kamchatka, Russia

Theo Allofs / Sable Antelope (Hippotragus niger) walking, Moremi Game Reserve, Okavango Delta, Botswana

Pete Oxford / Sable (Hippotragus niger) antelopes drinking at a waterhole, Makalolo Plains, Hwange National Park, Zimbabwe, Southern Africa

Pete Oxford / Lioness {Panthera leo} catching a Sable {Hippotragus niger} antelope near waterhole, Makalolo Plains, Hwange National Park, Zimbabwe, Southern Africa. Sequence

Pete Oxford / Lioness {Panthera leo} catching a Sable {Hippotragus niger} antelope near waterhole, Makalolo Plains, Hwange National Park, Zimbabwe, Southern Africa. Sequence

Pete Oxford / Lions (Panthera leo) feeding on a sable carcass caught at a waterhole - buffalo bulls approaching to show their dislike at having the pride at the waterhole. Makalolo Plains, Hwange National Park, Z...

Pete Oxford / Sable (Hippotragus niger) antelopes drinking at a waterhole, Makalolo Plains, Hwange National Park, Zimbabwe, Southern Africa

Pete Oxford / Lioness {Panthera leo} catching a Sable {Hippotragus niger} antelope near waterhole, Makalolo Plains, Hwange National Park, Zimbabwe, Southern Africa. Sequence

Pete Oxford / Sable (Hippotragus niger) antelope, Makalolo Plains, Hwange National Park, Zimbabwe Southern Africa

Pete Oxford / Lioness (Panthera leo) catching Sable (Hippotragus niger) helped by her sub-adult cubs who are learning to hunt , Makalolo Plains, Hwange National Park, Zimbabwe, Southern Africa. Sequence

Pete Oxford / Sable (Hippotragus niger) antelope stood at a waterhole, Makalolo Plains, Hwange National Park, Zimbabwe, Southern Africa

Pete Oxford / Lioness (Panthera leo) catching Sable (Hippotragus niger) helped by her sub-adult cubs who are learning to hunt , Makalolo Plains, Hwange National Park, Zimbabwe, Southern Africa. Sequence

Pete Oxford / Lioness (Panthera leo) carrying the remains of a sable carcass that she has been feeding on, Makalolo Plains, Hwange National Park, Zinbabwe, Southern Africa