Mark Hamblin / 2020VISION / Jackdaw (Corvus monedula) pulling a very long twig into a small nest hole, Inverness-shire, Scotland, UK, April 2011

Pascal Kobeh / Female humpback whale (Megaptera novaeangliae) with its very young calf at the surface, Rurutu island, Australs Archipelago, French Polynesia. Pacific Ocean.

Markus Varesvuo / Female Bullfinch (Pyrrhula pyrrhula) perched on very top of frost covered pine tree, Kuusamo, Finland, January

Sergey Gorshkov / Polar bear (Ursus maritimus) mother with three very young cubs, Wrangel Island, Far Eastern Russia, March.

Willem Kolvoort / View of Byoutier. a very small island in the Seychelles with a pristine beach. Byoutier, Seychelles March 2005

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) eating Opuntia (Opuntia sp) cactus, introduced from South America, it became a very important food subsistance for Lemurs, cattle and even humans, vulnerable, Berenty P...

Juergen Freund / Aerial of Simpson Desert Regional Reserve where lakes amongst the sand dunes. Normally dry, the lakes only have water during a very wet season, South Australia, June 2011

Mike Potts / Echidna Gorge - the sun only gets into this very narrow slot canyon at midday, part of the Purnululu National Park (Bungle Bungles), Kimberly Region, Western Australia, July 2011

Mark Carwardine / Two Humpback whales (Megaptera novaeangliae) bubble-net feeding very close to shore, Great Bear Rainforest, British Columbia, Canada, Endangered or threatened species (Vulnerable)

Paul D Stewart / Photomontage of living gecko feet showing a variety of forms. Gecko feet employ very small subdivided filaments to bond with their substrates at the molecular level using Van Der Waals' forces. Every...

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...

David Pattyn / Stormy coastal landscape with heavy rainfall approaching the coast in very windy conditions with cacti at the edge of the beach, Marao peninsula, Bahia, Brazil, August 2010