Shattil & Rozinski / Steller's sealions {Eumetopias jubata} group on haulout on rock, Kodiak, Alaska, USA

Pete Oxford / Steller's sealions diving into sea {Eumetopias jubata} Commander Is, Russia

Mark Carwardine / Steller / Northern sea lion (Eumetopias jubatus) at water surface, Frederick Sound, South East Alaska, USA, Threatened species (Endangered)

Mark Carwardine / Steller / Northern sea lion (Eumetopias jubatus) at water surface, Frederick Sound, South East Alaska, USA, Threatened species (Endangered)

Mark Carwardine / Steller's / Northern sealion (Eumetopias jubatus), Johnstone Strait, Vancouver Island, British Columbia, western Canada

Mark Carwardine / Steller sealions in sea and on rock {Eumetopias jubata} Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} at water's surface, Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} on coast of Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} group on haulout on coast of Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} on coast of Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} on coast of Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} on coast of Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} group on haulout on coast of Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} on coast of Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} group on haulout on coast of Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} bull vocalising on coast of Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} swimming at water's surface, Alaska, USA.

Warwick Sloss / Steller sealion {Eumetopias jubatus} on coast of Alaska, USA

Warwick Sloss / Group of Steller sealions {Eumetopias jubatus} at water's surface, Alaska, USA

Warwick Sloss / Steller sealion {Eumetopias jubatus} on coast of Alaska, USA

Mary McDonald / Steller sea lion {Eumetopias jubatus} group resting on small rocky island in water, Katmai NP, Alaska, USA

Graham Eaton / Steller Sea Lion (Eumetopias jubatus) young male courting a female, Alaska, USA, June

Graham Eaton / Steller Sea Lion (Eumetopias jubatus) young male courting a female, Alaska, USA, June

Matthew Maran / Steller sealions {Eumetopias jubata} Clayoquot Sound, Vancouver Island, BC, Canada

Matthew Maran / Steller sealions {Eumetopias jubata} hauled out on rock, Clayoquot Sound, Vancouver Island, BC, Canada

Eric Baccega / Steller sealions (Eumetopias jubatus) resting on cliffs, Johnstone Strait, Vancouver Island, British Columbia, Canada. Red list of endangered species.

Eric Baccega / Steller sealions (Eumetopias jubatus) resting on rocks, Johnstone Strait, Vancouver Island, British Columbia, Canada. Red list of endangered species.

Eric Baccega / Steller sealions (Eumetopias jubatus) resting on cliffs, Johnstone Strait, Vancouver Island, British Columbia, Canada. Red list of endangered species.

Eric Baccega / Steller sealions (Eumetopias jubatus) resting on rocks, Johnstone Strait, Vancouver Island, British Columbia, Canada. Red list of endangered species.

Eric Baccega / Steller sealion (Eumetopias jubatus) resting on cliff, Johnstone Strait, Vancouver Island, British Columbia, Canada. Red list of endangered species.

Eric Baccega / Steller sealion (Eumetopias jubatus) sunbathing, Johnstone Strait, Vancouver Island, British Columbia, Canada. Red list of endangered species.

Eric Baccega / Steller sealions (Eumetopias jubatus) resting on cliffs, Johnstone Strait, Vancouver Island, British Columbia, Canada. Red list of endangered species.

Eric Baccega / Steller sealion (Eumetopias jubatus) sunbathing, Johnstone Strait, Vancouver Island, British Columbia, Canada. Red list of endangered species.

Matthew Maran / Sea otter (Enhydra lutris) and Steller's sealions (Eumetopias jubata) on rocks. Barkley Sound, Vancouver Island, Canada

Matthew Maran / Steller's Sealions (Eumetopias jubata) at "sea lion rocks" in Clayoquot Sound, Vancouver Island, Canada

Nick Garbutt / Stellar's Sea Lions (Eumetopias jubatus) male roaring with females on off-shore rocks near Princess Royal Island, great Bear Rainforest, British Columbia, Canada.

Nature Production / Group of Steller's Sealions {Eumetopias jubata} crowded onto a small ice drift, Shiretoko, Hokkaido, Japan

Larry Michael / Steller sealions {Eumetopias jubata} SE Alaska, USA

Pete Oxford / Steller's sealions {Eumetopias jubata} on haulout, Commander Islands, Russia

Pete Oxford / Steller's sealions {Eumetopias jubata} on haulout, Commander Islands, Russia

LYNN M. STONE / Steller sealions on rock. (Eumetopias jubata) Alaska Northern sealion

Pete Oxford / Stellars sealion young bull on rock {Eumetopias jubata} Aleutian Is, Alaska, USA

LYNN M. STONE / Steller sealion mother and pup. (Eumetopias jubata) Alaska Northern sealion

LYNN M. STONE / Steller sealions on rocks. (Eumetopias jubata) Alaska Northern sealion

LYNN M. STONE / Steller (Northern) sealions on rocks.(Eumetopias jubata) Alaska

LYNN M. STONE / Steller (Northern) sealions on rocks.(Eumetopias jubata) Alaska

LYNN M. STONE / Steller sealions on rock. (Eumetopias jubata) Alaska Northern sealion

LYNN M. STONE / Steller / Northern sealion male head portrait (Eumetopias jubata) Alaska

LYNN M. STONE / Steller / Northern sealion mother and pup. (Eumetopias jubata) Alaska

LYNN M. STONE / Steller / Northern sealions (Eumetopias jubata) on rock. Alaska

Doug Allan / Steller sealions hauled out {Eumetopias jubata} Glacier Bay, Alaska

Eric Baccega / Stellar sealions on rocky coast {Eumetopias jubata} Alaska, USA

Eric Baccega / Stellar sealions hauled out on rocks {Eumetopias jubata} Alaska, USA

LYNN M. STONE / Steller / Northern sealion bull and females (Eumetopias jubata) Alaska

Sue Flood / Steller's sealions swimming {Eumetopias jubata} Alaska

LYNN M. STONE / Steller sealion caught in netting (Eumetopias jubata) Alaska USA