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

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

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

Southern elephant seals (Mirounga leonina), hauled out for their annual catastrophic molt (moult) on the beach at Snow Island, Antarctica, Polar Regions

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

Southern elephant seal (Mirounga leonina) pup, called weaners once their mothers stop nursing, South Georgia Island, Southern Ocean

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Harbor Seal (Phoca vitulina) on ice near Dawes Glacier in Endicott Arm, Southeast Alaska, USA.

Harbor Seal (Phoca vitulina) mother and pup on ice near Dawes Glacier in Endicott Arm, Southeast Alaska, USA.