Two southern elephant seal (Mirounga leonina) bulls rear up and attack to establish dominance, Sea Lion Island, Falkland Islands, South America

Two southern elephant seal (Mirounga leonina) bulls rear up to establish dominance, Sea Lion Island, Falkland Islands, South America

Two southern elephant seal (Mirounga leonina) bulls rear up and attack to establish dominance, Sea Lion Island, Falkland Islands, South America

Two southern elephant seal (Mirounga leonina) bulls rear up to establish dominance, Sea Lion Island, Falkland Islands, South America

Two southern elephant seal (Mirounga leonina) bulls rear up to establish dominance, Sea Lion Island, Falkland Islands, South America

Three southern elephant seal (Mirounga leonina) bulls rear up whilst doing battle, Sea Lion Island, Falkland Islands, South America

Two bloody southern elephant seal (Mirounga leonina) bulls do battle to establish dominance, Sea Lion Island, Falkland Islands, South America

Male southern elephant seal pups, Mirounga leonina, mock fighting in Gold Harbour, South Georgia Island, Atlantic Ocean

Bull southern elephant seal (Mirounga leonina) issuing a bellowing challenge at Gold Harbour on South Georgia Island, Polar Regions

Adult bull southern elephant seal (Mirounga leonina) fleeing from another male challenger at Gold Harbour, South Georgia, Polar Regions

Southern elephant seal bulls (Mirounga leonina) mock-fighting in Gold Harbor, South Georgia, UK Overseas Protectorate, Polar Regions

Southern Elephant Seal bulls (Mirounga leonina) fighting, Hannah Point, South Shetland Islands, Antarctica, Polar Regions

Southern Elephant Seal bulls (Mirounga leonina) fighting, Hannah Point, South Shetland Islands, Antarctica, Polar Regions

Southern Elephant Seal bulls (Mirounga leonina) fighting, Hannah Point, South Shetland Islands, Antarctica, Polar Regions