Franco Banfi / South American sea lion (Otaria flavescens) underwater, Golfo Nuevo, Peninsula Valdes UNESCO Natural World Heritage Site, Chubut, Patagonia, Argentina, Atlantic Ocean, October

Inaki Relanzon / Killer whale {Orcinus orca} hunting sealions on coast of Patagonia, Argentina

Gabriel Rojo / South American / Patagonian sealion pups playing {Otaria flavescens} Valdez peninsula, Argentina

Gabriel Rojo / South American / Patagonian sealion pup calling {Otaria flavescens} Valdez peninsula, Argentina

Gabriel Rojo / South American / Patagonian sealions swimming {Otaria flavescens} at surface, Valdez peninsula, Argentina

Gabriel Rojo / South American / Patagonian sealion colony {Otaria flavescens} Valdez peninsula, Argentina

Gabriel Rojo / South American / Patagonian sealion colony {Otaria flavescens} Valdez peninsula, Argentina

Gabriel Rojo / South American / Patagonian sealion bull with females {Otaria flavescens} in colony on beach, Valdez peninsula, Argentina

Gabriel Rojo / South American / Patagonian sealion male, females and pups {Otaria flavescens} colony on beach, Argentina, Valdez

Gabriel Rojo / South American / Patagonian sealion pair mating {Otaria flavescens} Valdez peninsula, Argentina. Note large difference in size between male and female

Gabriel Rojo / South American / Patagonian sealion pup calling {Otaria flavescens} Valdez peninsula, Argentina

Gabriel Rojo / South American / Patagonian sealion pair {Otaria flavescens} on beach, Valdez peninsula, Argentina

Gabriel Rojo / South American / Patagonian sealion male, females and pups {Otaria flavescens} Argentina, Valdez

Gabriel Rojo / South American / Patagonian sealion pair {Otaria flavescens} Valdez peninsula, Argentina

Gabriel Rojo / Patagonia sealion, male with head just above water {Otaria flavescens} Patagonia, Argentina

Mark Carwardine / Killer whale {Orcinus orca} hunting sealion pup Patagonia, Argentina

Suzi Eszterhas / South American sealion (Otaria flavescens), four walking on beach. Valdes Peninsula, Patagonia, Argentina. April.

Nick Garbutt / South American sea lion (Otaria flavescens) rookery on coastal rocks. Straits of Magellan, Patagonia, Chile. December.

Solvin Zankl / Southern sea lions (Otaria flavescens) Comau Fjord, Patagonia, Chile, Pacific Ocean, January

Solvin Zankl / Southern sea lions (Otaria flavescens) Comau Fjord, Patagonia, Chile, Pacific Ocean, January

Gabriel Rojo / Underwater cameraman filming South American sea lion (Otaria flavescens) Peninsula Valdes, Patagonia Argentina

Gabriel Rojo / South American sea lions (Otaria flavescens) hauled out on rock. Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / Kelp gull (Larus dominicanus) swimming and South American sea lions (Otaria flavescens) at the surface. Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) pups on beach, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) pups on beach, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) biting pup. Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) on beach with pup. Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) pup, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / RF- South American sea lion (Otaria flavescens) calling in water, Valdes Peninsula, Chubut, Patagonia, Argentina. (This image may be licensed either as rights managed or royalty free.)

Gabriel Rojo / South American sea lion (Otaria flavescens) pup in water playing with seaweed. Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) pups in water playing with seaweed. Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) pup on shore, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) on shore, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) with mouth open. Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) with mouth open. Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) pup playing with seaweed on shore. Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) pup calling, Punta Norte Nature Reserve, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / RF- South American sea lion (Otaria flavescens) pup, Punta Norte Nature Reserve, Valdes Peninsula, Chubut, Patagonia, Argentina. (This image may be licensed either as rights managed or royalty free.)

Gabriel Rojo / South American sea lion (Otaria flavescens) pups on shore, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) pups interacting, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) pup in shallow water, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) pup playing with stone, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) pup in shallow water, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / South American sea lion (Otaria flavescens) vocalising, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / Orca (Orcinus orca) hunting sea lion pups, Peninsula Valdez, Patagonia Argentina

Gabriel Rojo / Orca (Orcinus orca) hunting sea lion pups, Peninsula Valdez, Patagonia Argentina

Franco Banfi / South American sea lion (Otaria flavescens) calling on rocky coast, Golfo Nuevo, Peninsula Valdes UNESCO Natural World Heritage Site, Chubut, Patagonia, Argentina, Atlantic Ocean, October

Franco Banfi / South American sea lion (Otaria flavescens) male on coastal rocks, Golfo Nuevo, Peninsula Valdes UNESCO Natural World Heritage Site, Chubut, Patagonia, Argentina, Atlantic Ocean, October