Crabeater Seal (Lobodon carcinophaga) (carcinophagus) lies on its back on an ice floe in Hope Bay, Antarctica, Polar Regions

Grey seals, Isles of Scilly, Cornwall, United Kingdom, Europe

Elephant seals, Moltke Harbour, Royal Bay, South Georgia, South Atlantic

Subantarctic fur seal (Arctocephalus tropicalis) hauled out on the shore of Nightingale Island, Tristan da Cunha Island Group, South Atlantic Ocean

Adult male Antarctic fur seal (Arctocephalus gazella) head detail, Antarctica, Southern Ocean, Polar Regions

Adult bull southern elephant seal (Mirounga leonina) flipping sand onto its back to cool off on South Georgia Island, Southern Ocean

Adult Antarctic fur seal (Arctocephalus gazella), in Ocean Harbor on South Georgia Island, Southern Ocean, Polar Regions

Galapagos fur seal (Arctocephalus galapagoensis) hauled out on lava flow in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos fur seal (Arctocephalus galapagoensis) hauled out on lava flow in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Northern (Steller) sea lions (Eumetopias jubatus) hauled out on South Marble Island in Glacier Bay National Park, Alaska, United States of America

Fur seals, Moltke Harbour, Royal Bay, South Georgia, South Atlantic

Elephant seals, Moltke Harbour, Royal Bay, South Georgia, South Atlantic

Fur seal at Brown Bluff, Antarctic Peninsula, Antarctica, Polar Regions

Fur seals, Gourdin Island, Antarctic Peninsula, Antarctica, Polar Regions

Elephant seals moulting, Piedras Blancas (White Rocks), Highway 1, California, United States of America, North America

Elephant seals, Moltke Harbour, Royal Bay, South Georgia, South Atlantic

Fur seals, Moltke Harbour, Royal Bay, South Georgia, South Atlantic

Elephant seals moulting, Piedras Blancas (White Rocks), Highway 1, California, United States of America, North America

Juvenile Northern elephant seal (Mirounga angustirostris) sunbathing. Ano Nuevo, California, USA

Juvenile Northern elephant seal (Mirounga angustirostris) sunbathing. Ano Nuevo, California, USA

Juvenile Northern elephant seal (Mirounga angustirostris) flicking sand on its back for sun protection. Ano Nuevo, California, USA

Sunbathing sea lions, Lobos, harbour, Arica, Norte Grande, northern Chile, Chile, South America

Harbor seal (Phoca vitulina) just above tideline lying down on a bed of yellow, orange seaweed in the sun, on a summer day in Prince William Sound, Alaska, United States of America