Espen Bergersen / Sperm whale {Physeter macrocephalus} showint tail fluke as it dives. Photographed just before midnight. 22 nautical miles northwest of Andenes, Northern Norway. July

Ingo Arndt / Fisheries Protection Vessel (Pharos) arrived at King Edward Point with King penguins on shoreline, South Georgia Heritage Trust Rat Eradication Project, South Georgia, February 2011

Michael Pitts / Diver on the wreck of the US Submarine tender USS Macaw, sunk in the World War II due to a navigation error, Midway atoll, Pacific Ocean. Model released.

Mark Hamblin / 2020VISION / Barn Swallow (Hirundo rustica) alighting at pool to collect mud for nest building. Inverness-shire, Scotland, June .Did you know? Due to the distances that Swallows travel, it was traditional for sail...

Ernie Janes / Two people walking on Cley beach near boats looking towards Blakeney Point with storm clouds overhead, Norfolk, UK, July 2011

Robert Thompson / Lighthouse on Fanad Head at sunset, County Donegal, Republic of Ireland, UK, August 2011

Ross Hoddinott / Godrevy Lighthouse at sunset, seen through rocksand rockpool in the foreground. Nr Hayle, Cornwall, UK, June 2009

Juan Carlos Munoz / Commerical fishing boat passes through the Parque Natural del Estrecho, off Costa de la Luz, Cadiz, Andalucia, Spain, July 2008

Billy Black / Gull (Larinae) sitting on mooring ball in calm waters on misty day. Robinhood, Maine, USA, July 2010.

Inaki Relanzon / Lighthouse on Snafellsness Peninsula, Iceland, July 2008

Philippe Clement / Fishing boats and lighthouse at night on the island Ile Vierge, Brittany, France, June 2009

Espen Bergersen / Minke whale (Baelanoptera acutorostrata) photographed just before midnight. Outside Andoya, Northern Norway. 22 nautical miles northwest of Andenes, Northern Norway. July