Yva Momatiuk & John Eastcott / Arctic Fox (Alopex lagopus) in blue phase on coastal cliff, Saint Paul Island, Pribilof Islands, Alaska

Yva Momatiuk & John Eastcott / Arctic Fox (Alopex lagopus) pup in blue phase at entrance of burrow, Saint Paul Island, Pribilof Islands, Alaska

Tom Vezo / Tufted Puffin (Fratercula cirrhata) pair on rock interacting, St Paul Island, Pribilof Islands, Alaska

Jacob S. Spendelow / Grey-crowned Rosy-Finch (Leucosticte tephrocotis), Saint Paul Island, Alaska

Steven Kazlowski / Least auklet (Aethia pusilla) perched on a rock outcropping on Saint Paul Island, Alaska, Bering Sea, USA

Tom Vezo / Least Auklet (Aethia pusilla) pair, Saint Paul Island, Pribilof Islands, Alaska

Tom Vezo / Least Auklet (Aethia pusilla), Saint Paul Island, Pribilof Islands, Alaska

Tom Vezo / Least Auklet (Aethia pusilla), Saint Paul Island, Pribilof Islands, Alaska

Eric Baccega / Aerial view of volcanic crater, Saint Paul Island in Indian Ocean, Sub-antarctic, Territory of the French Southern and Antarctic Lands, December 1999

Oriol Alamany / Northern fur seal (Callorhinus ursinus) colony on beach, Zapadni Rookery, Saint Paul Island, Pribilof Islands, Alaska, USA

Oriol Alamany / Alaska poppies (Papaver alaskanum) in flower, Saint Paul Island, Pribilof Islands, Alaska, USA

Oriol Alamany / Three Parakeet auklets (Aethia psittacula) on rocks, Saint Paul Island, Pribilof Islands, Alaska, USA