Marie Read / Horned Puffin (Fratercula corniculata) flying over a pattern of kelp and sea foam, photographed from above, St. Paul, Pribilof Islands, Alaska, USA. July.

Marie Read / Abstract patterns of reflected sky and clouds on the ocean with a silhouetted Red-faced cormorant (Phalarocorax urile) in flight, St. Paul Island, Pribilof Islands, Alaska, USA, July.

Gavin Hellier / Timelapse from day to night looking towards the Peter and Paul Fortress, St, Petersburg, Russia, May 2016. Hellier

Gerrit Vyn / Tufted puffin (Fratercula cirrhata) in breeding plumage. St. Paul Island, Alaska. July.

Marie Read / Horned puffin (Fratercula corniculata) close-up portrait, St. Paul Island, Pribilofs, Alaska, USA, July.

Marie Read / Tufted puffin (Fratercula cirrhata), close-up portrait, St. Paul Island, Pribilofs, Alaska, USA, July.

Marie Read / Horned puffins (Fratercula corniculata), one landing with outspread wings, to join its mate on cliff ledge, St. Paul Island, Pribilofs, Alaska, USA, July.

Paul D Stewart / Illustration of Giant Octopus (Octopus dofleini) attacking a ship, 1815 copperplate engraving from Bertuch's 'Bilderbuch fur kinder' 16 plate 5. with contemporary colour. 'Colosal Polypus' (octopus) a...

Terry Whittaker / 2020VISION / RSPB volunteer watches peregrine falcons with St Paul's Cathedral in background, RSPB 'Date With Nature Event' for learning about urban Peregrine falcon, Tate Modern, South Bank, London, UK, September...

David Tipling / Young blue Arctic fox in village {Vulpes lagopus} St Paul Pribilofs Alaska USA

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