Tui De Roy / Crabeater Seal (Lobodon carcinophagus) pair resting on fast ice, Admiralty Sound, Weddell Sea, Antarctica

Tui De Roy / Crabeater Seal (Lobodon carcinophagus) pair resting on fast ice, Admiralty Sound, Weddell Sea, Antarctica

Tui De Roy / Crabeater Seal (Lobodon carcinophagus) surfacing to breathe through fast ice lead, Admiralty Sound, Weddell Sea, Antarctica

Tui De Roy / Crabeater Seal (Lobodon carcinophagus) surfacing to breathe through fast ice lead, Admiralty Sound, Weddell Sea, Antarctica

Tui De Roy / Crabeater Seal (Lobodon carcinophagus) in blizzard, sleeping on fast ice, Admiralty Sound, Weddell Sea, Antarctica

Tui De Roy / Crabeater Seal (Lobodon carcinophagus) surfacing to breathe through fast ice lead, Admiralty Sound, Weddell Sea, Antarctica

Colin Monteath / Iceberg trapped in pack ice, Admiralty Range, Antarctica

Konrad Wothe / Clouds and mist over forest, Admiralty Island National Monument, Inside Passage, Alaska

Konrad Wothe / Grizzly Bear (Ursus arctos horribilis) cub with salmon, Admiralty Island, Alaska

Martha Holmes / Film crew's camp on sea ice, on location for BBC television programme "Polar Bear Special", Admiralty Inlet, Canada, May 1996

Flip Nicklin / Andrew Taqtu listening for whales, Admirality Inlet, Baffin Island, Canada

Flip Nicklin / Aerial view of ice floes in Arctic Bay, Admiralty Inlet, Canada

Flip Nicklin / Pack ice, Arctic Bay, Admiralty Inlet, Canada

Flip Nicklin / Stormy skies, Arctic Bay, Admiralty Inlet, Canada

Flip Nicklin / Arctic Bay, Admiralty Inlet, Canada

Doug Allan / Narwhals showing tusks above water {Monodon monoceros} Admiralty inlet Canadian Arctic

Martha Holmes / Midnight sun on broken pack ice. Admiralty Inlet Canada