Ingo Arndt / Northern Elephant Seal (Mirounga angustirostris) two fighting bulls, Ano Nuevo State Reserve, California

Ingo Arndt / Northern Elephant Seal (Mirounga augustirostris) close up portrait of pup, Ano Nuevo State Reserve, California

Ingo Arndt / Northern Elephant Seal (Mirounga angustirostris) older bull calling, Ano Nuevo State Reserve, California

Ingo Arndt / Northern Elephant Seal (Mirounga angustirostris) two fighting bulls, Ano Nuevo State Reserve, California

Suzi Eszterhas / Northern Elephant Seal (Mirounga angustirostris) bulls sparring, Ano Nuevo, California

Gerry Ellis / Northern Elephant Seal (Mirounga angustirostris) close-up portrait of juvenile, Ano Nuevo State Reserve, California

Tim Fitzharris / Northern Elephant Seal (Mirounga angustirostris) male flicking sand onto his back to keep cool, Ano Nuevo, California

Tim Fitzharris / Northern Elephant Seal (Mirounga angustirostris) pair mating, Ano Nuevo, California

Pete Oxford / Tourists watching Northern elephant seal (Mirounga angustirostris) on beach, Ano Nuevo State Park, California, USA

Gerry Ellis / Northern Elephant Seal (Mirounga angustirostris) males fighting, Ano Nuevo, California

LYNN M. STONE / Northern elephant seal (Mirounga angustirostris) throwing sand. CA, USA Ano Neuvo, California.

Ingo Arndt / Northern elephant seals males fighting. California USA {Mirounga angustirostris} Ano