Jordi Chias / Antarctic fur seal (Arctocephalus gazella), Antarctic Peninsula, Antarctica.

Jordi Chias / Antarctic fur seal (Arctocephalus gazella), Antarctic Peninsula, Antarctica.

Ingo Arndt / Cape fur seals (Arctocephalus pusillus) at colony, Cape Cross, Namibia, December

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella) in old Whaling Station, South Georgia, February

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella) pup blonde morph, South Georgia, February

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella) bull on land, Stromness Bay, South Georgia Island, Southern Ocean, Antarctic Convergence, November 2008

Cyril Ruoso / South American fur seal (Arctocephalus australis) coming up to beach from sea, Punta San Juan, Peru

Cyril Ruoso / South American fur seal (Arctocephalus australis) male head profile, Punta San Juan, Peru

Chris & Monique Fallows / Cape fur seal (Arctocephalus pusillus) porpoising, False Bay, Cape Town, South Africa, July.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) predating Cape fur seal (Arctocephalus pusillus) Seal Island, False Bay, South Africa, July. Sequence 3 of 3

Wim van den Heever / South African fur seals (Arctocephalus pusillus pusillus) surfing out on wave.Walvisbay, Namibia.

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) emerging from sea onto beach, with Sally lightfoot crabs (Grasopus graspus) and Galapagos Fur Seal in background. Galapagos Islands, Ecuador, June.

Tui De Roy / Galapagos fur seal (Arctocephalus galapagoensis) large territorial bull on volcanic rocks. South Coast Cerro Azul (Cinco Cerros), Isabela, Galapagos Islands, Ecuador, June.

Brent Stephenson / Weddell Seal (Leptonychotes weddellii) with wet fur after hauling onto a beach. Neko Harbour, Antarctic Peninsula, Antarctica, December.

Brent Stephenson / Crabeater Seal (Lobodon carcinophaga) hauled out on ice. Pleneau Island, Antarctica, January.

Fergus Gill / Grey seal pup (Halichoerus grypus) sleeping on a windswept beach. Scotland, Nov

Juan Carlos Munoz / Group of South American fur seals (Arctocephalus australis) swimming near the rocky shore. Puerto Deseado, Patagonia, Argentina, March 2008

Juan Carlos Munoz / South African fur seal (Arctocephalus pusillus pusillus) swimming near surface, Seal Island. False Bay, South Africa, July 2010

Alex Mustard / Silhouette of a New Zealand fur seal (Arctocephalus forsteri) diving underwater, Tasmania, Australia.

Claudio Contreras / Guadalupe fur seal (Arctocephalus townsendi) pup playing underwater, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, March

Claudio Contreras / Guadalupe fur seal (Arctocephalus townsendi) viewed from above, in the surf, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, February

Claudio Contreras / Guadalupe fur seal (Arctocephalus townsendi) pup swimming, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, April

Claudio Contreras / Guadalupe fur seal (Arctocephalus townsendi) pup portrait in shallow water, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, March

Claudio Contreras / Guadalupe fur seal (Arctocephalos townsendi) head portrait of pup, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, March

Claudio Contreras / Two Guadalupe fur seals (Arctocephalus townsendi) males fighting for dominance, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico. April

Guy Edwardes / Juvenile Grey Seal {Halichoerus grypus} rolling on sand, waving flipper, Donna Nook, Lincolnshire, England, January

Andy Rouse / Aerial view of Rockhopper penguins (Eudyptes chrysocome chrsocome) landing from sea and walking through colony of South american fur seals (Arctocephalus australis) Falkland Islands (non-ex)

Pete Oxford / Galapagos Fur Seal (Arctocephalus galapagoensis) just below the surface off of Wolf Island, Galapagos Islands, Ecuador, South America

Juergen Freund / New Zealand fur seals (Arctocephalus forsteri) swimming amongst kelp. Albany, Western Australia

Anup Shah / Fur Seal pair mating (Arctocephalus pusillus pusillus) Cape Cross Seal Reserve, Namibia

Anup Shah / Fur Seal pair mating (Arctocephalus pusillus pusillus) Cape Cross Seal Reserve, Namibia

Anup Shah / Fur Seal pair mating (Arctocephalus pusillus pusillus) Cape Cross Seal Reserve, Namibia

Pete Oxford / Galapagos Fur Seal swimming {Arctocephalus galapagoensis} Santiago Is, Galapagos

Doug Allan / Harp seal pup {Phoca groenlandica} Gulf of St Lawrence Canada

David Tipling / Northern fur seal (Callorhinus ursinus) bull. St Paul Island, Pribilof's, Bering Sea, Alaska

Nick Garbutt / King penguin (Aptenodytes patagonicus), Antarctic fur seal (Arctocephalus gazella) and Southern elephant seal (Mirounga leonina), many on beach. Salisbury Plain, South Georgia. November 2018.

JIM CLARE / Humboldt penguins, (Spheniscus humboldti) with South American fur seals (Arctocephalus australis) colony in distance . Punta San Juan, (Reserva Nacional de Islas, Islotes y Puntas Guaneras) Peru.

Ashley Cooper / Faeces of the Antarctic fur seal (Arctocephalus gazella) coloured pink from the seals diet of Antarctic Krill. South Orkney Islands, Antarctic Peninsula. February 2014

Ashley Cooper / Antarctic fur seals (Arctocephalus gazella) at Base Orcadas which is an Argentine scientific station in Antarctica. Laurie Island, South Orkney Islands, Antarctic Peninsula.

Tony Heald / Antarctic fur seal (Arctocephalus gazella), mother warning off curious juvenile. Southern elephant seal (Mirounga leonina) in background. Gold Harbour, South Georgia. October.

David Fleetham / Guadalupe fur seals (Arctocephalus townsendi) Guadalupe Island, Mexico.

David Fleetham / Juvenile Guadalupe fur seal (Arctocephalus townsendi) on the rocky coastline of Guadalupe Island, Mexico.

David Fleetham / Guadalupe Fur Seal (Arctocephalus townsendi), in the shallows off Guadalupe Island, Mexico.

David Fleetham / Guadalupe fur seal (Arctocephalus townsendi) with head out of the water at Guadalupe Island, Pacific Ocean.

Emanuele Biggi / Black-backed jackal (Canis mesomelas) walking along some watchful Cape fur seals (Arctocephalus pusillus) Cape Cross seal colony, Namibia

Ernie Janes / Brown fur seals (Arctocephalus pusillus) in surf on coast at Cape Cross seal colony, Namibia

Bryan and Cherry Alexander / Antarctic Fur Seal pup (Arctocephalus gazella) on the beach at Sealers Corner, Heard Island, Heard and McDonald Islands UNESCO World Natural Heritage Site Sub-Antarctica.

Christophe Courteau / Cape fur seals (Arctocephalus pusillus) on beach, Cape Cross, Skeleton Coast, Namibia.

Peter Bassett / Antarctic fur seals (Arctocephalus gazella) fighting on a beach, Salisbury Plain, South Georgia.

Frederique Olivier / Close-up of a Southern elephant seal (Mirounga leonina) in a wallow, scratching moulting fur, Macquarie Island, Sub-Antarctic Australia.

Ingo Arndt / Southern Elephant Seals (Mirounga leonina) and Antarctic Fur Seals (Arctocephalus gazella) at Leith Harbour Whaling Station, South Georgia, March 2011

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella) group with one pup blonde morph, Jason Harbour, South Georgia Island, February

Ingo Arndt / Antarctic fur seal (Arctocephalus gazella) playfighting, King Edward Point, South Georgia Island, February

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella) pups resting on rocks, Prince Olav Harbour, South Georgia, February 2011

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella) group with one pup blonde morph, Jason Harbour, South Georgia Island, February 2011

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella) scratching, King Edward Point, South Georgia Island, February

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella), Jason Harbour, South Georgia Island, February

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella) pup on beach, Fortuna Bay, South Georgia Island, February

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella) pup nursing, South Georgia Island, February

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella) on rock scratching its head, King Edward Point, South Georgia Island, March

Ingo Arndt / Antarctic fur seal (Arctocephalus gazella) group with one pup blonde morph, Jason Harbour, South Georgia Island, February

Ingo Arndt / Antarctic Fur Seal (Arctocephalus gazella) surfing to shore, South Georgia, February

Ingo Arndt / Antarctic fur seal (Arctocephalus gazella) female with pup, Jason Harbour, South Georgia Island, February

Ingo Arndt / Wildlife Photographer, Ingo Arndt, amongst Cape Fur Seal (Arctocephalus pusillus) colony, Cape Cross, Namibia, December 2008

Ingo Arndt / Black-backed Jackal (Canis mesomelas) with carcass of Cape Fur Seal (Arctocephalus pusillus) pup, Cape Cross, Namibia

Ingo Arndt / South African / Cape Fur Seal (Arctocephalus pusillus) portrait, Cape Cross, Namibia

Ingo Arndt / Aerial view of South African / Cape Fur Seal (Arctocephalus pusillus) colony, Cape Cross, Namibia December 2008

Ingo Arndt / Aerial view of South African / Cape Fur Seal (Arctocephalus pusillus) colony, Cape Cross, Namibia December 2008

Ingo Arndt / Aerial view of South African / Cape Fur Seal (Arctocephalus pusillus) colony, Cape Cross, Namibia December 2008

Ingo Arndt / Aerial view of South African / Cape Fur Seal (Arctocephalus pusillus) colony, Cape Cross, Namibia December 2008

Ingo Arndt / Aerial view of Brown / Cape Fur Seal (Arctocephalus pusillus) colony, Cape Cross, Namibia. December 2008

Ingo Arndt / Brown / Cape Fur Seal (Arctocephalus pusillus) large group of pups on rock, Cape Cross, Namibia. December 2008

Ingo Arndt / Cape Fur Seal (Arctocephalus pusillus) baby, Cape Cross, Namibia.

Ingo Arndt / Black backed jackal (Canis mesomelas) feeding on carcass of Cape Fur Seal pup (Arctocephalus pusillus), Cape Cross, Namibia.

Ingo Arndt / Brown / Cape Fur Seal (Arctocephalus pusillus) colony, Cape Cross, Namibia. December 2008

Ingo Arndt / Brown / Cape Fur Seal (Arctocephalus pusillus) colony, Cape Cross, Namibia. December 2008

Ingo Arndt / Adult bull Antarctic Fur Seal (Arctocephalus gazella) South Georgia Island, Southern Ocean, Antarctic Convergence.

Ingo Arndt / Brown / Cape Fur Seal (Arctocephalus pusillus) colony, Cape Cross, Namibia. December 2008

Ingo Arndt / Brown / Cape Fur Seal (Arctocephalus pusillus) surfing on wave, Cape Cross, Namibia.

Ingo Arndt / Brown / Cape Fur Seal (Arctocephalus pusillus) surfing in wave, Cape Cross, Namibia.

Ingo Arndt / Brown / Cape Fur Seal (Arctocephalus pusillus) asleep, resting head on rock, Cape Cross, Namibia.

Ingo Arndt / Brown / Cape Fur Seal (Arctocephalus pusillus) colony with several new born babies, Cape Cross, Namibia. December 2008

Ingo Arndt / Brown / Cape Fur Seal (Arctocephalus pusillus) colony, Cape Cross, Namibia. December 2008

Francois Savigny / Galapagos fur seal {Arctocephalus galapagoensis} Pregnant female on beach, Santiago Island, Galapagos.

Francois Savigny / Cape fur seal {Arctocephalus pusillus} head portrait, Cape Cross, Namibia, Southern Africa.

Francois Savigny / Galapagos fur seal (Arctocephalus galapagoensis) Galapagos

Francois Savigny / Galapagos Fur Seal female. (Arctocephalus galapagoensis) Galapagos, Ecuador.

Jen Guyton / A cape fur seal (Arctocephalus pusillus) basks in the sun near a large seal colony at Cape Cross, Namibia. The seals can be seen swimming and basking on shore in huge groups.

Jen Guyton / Cape fur seals (Arctocephalus pusillus) in a large colony at Cape Cross, Namibia. The seals can be seen swimming and basking on shore in huge groups. June 2016

Doug Perrine / Northern elephant seal (Mirounga angustirostris) fur peels off a seal as it undergoes its annual moult, termed a catastrophic moult, because a layer of skin comes off with the fur and intense hormonal...

Doug Perrine / Northern elephant seal (Mirounga angustirostris) fur peels off a seal as it undergoes its annual moult, termed a catastrophic moult, because a layer of skin comes off with the fur and intense hormonal...

Doug Perrine / Northern elephant seal (Mirounga angustirostris) fur peels off a seal as it undergoes its annual moult, termed a catastrophic moult, because a layer of skin comes off with the fur and intense hormonal...

Chris & Monique Fallows / Cape fur seals (Arctocephalus pusillus) trying to confuse shark predators by moving en masse. Near Seal Island, False Bay, South Africa.

Wim van den Heever / South african fur seals (Arctocephalus pusillus pusillus) colony on beach at dusk, Walvis Bay Namibia

Cyril Ruoso / Humboldt penguin (Spheniscus humboldti) standing on beach in front of South American fur seals (Arctocephalus australis) Punta San Juan, Peru

Cyril Ruoso / Humboldt penguin (Spheniscus humboldti) standing on beach in front of South American fur seals (Arctocephalus australis) Punta San Juan, Peru