Pregnant female southern elephant seal (Mirounga leonina) giving birth on the beach in Stromness Bay, South Georgia Island

Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean

Harbor seals (Phoca vitulina) hauled out on submerged log in Misty Fjords National Monument, Southeast Alaska, United States of America

Harbor seal (Phoca vitulina) hauled out on submerged log in Misty Fjords National Monument, Southeast Alaska, United States of America

Female southern elephant seal (Mirounga leonina) with newborn pup on the beach in Stromness Bay, South Georgia Island

Male southern elephant seal (Mirounga leonina) pups mock fighting on South Georgia Island, Southern Ocean

Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean

Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean

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

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

Guadalupe fur seals (Arctocephalus townsendi), at new haul out on Las Animas Island, Baja California Sur, Sea of Cortez, Mexico, North America

A pod of transient killer whales (Orcinus orca), catching and killing an elephant seal in Monterey Bay Marine Sanctuary, California, United States of America, North America

A pod of transient killer whales (Orcinus orca), catching and killing an elephant seal in Monterey Bay Marine Sanctuary, California, United States of America, North America

Seal at the National Seal Sanctuary at Gweek in the Helford Estuary, Cornwall, UK.

Common Seals, Phoca vitulina, on the Farne Islands, Northumberland, UK, with the Longstone lighthouse that Grace Darling performed her famous rescue from.

Common Seals, Phoca vitulina, on the Farne Islands, Northumberland, UK.

Common Seals, Phoca vitulina, on the Farne Islands, Northumberland, UK, with a sailing boat behind.

Grey seal (Halichoerus grypus) playing with each other in the water, sea, Düne, Helgoland, Schleswig-Holstein, Germany, Europe

Cape Fur Seal (Arctocephalus pusillus) . Pup. Cape Cross Seal Reserve, Skeleton Coast, Dorob National Park, Namibia, Africa

Cape Fur Seal (Arctocephalus pusillus) . Yawning. Cape Cross Seal Reserve, Skeleton Coast, Dorob National Park, Namibia, Africa

Cape Fur Seal (Arctocephalus pusillus) . Social contact. Cape Cross Seal Reserve, Skeleton Coast, Dorob National Park, Namibia, Africa

Cape Fur Seal (Arctocephalus pusillus) . Resting. Cape Cross Seal Reserve, Skeleton Coast, Dorob National Park, Namibia, Africa

Cape Fur Seal (Arctocephalus pusillus) . Cape Cross Seal Reserve, Skeleton Coast, Dorob National Park, Namibia, Africa

Seal, Seal Sanctuary, Gweek, Cornwall, South England, UK, Europe