Gerry Ellis / Western Lowland Gorilla (Gorilla gorilla gorilla) silverback, Limbe Wildlife Centre, Cameroon

Jami Tarris / Caribou (Rangifer tarandus) entering teepee for food, Khovsgol, Mongolia

Jeff Foott / Great Basin Bristlecone Pine (Pinus longaeva) trees, Great Basin National Park, Nevada

Suzi Eszterhas / Common Wombat (Vombatus ursinus) foster mother, Linda Tabone, bottle feeding six month old orphaned joey, Bonorong Wildlife Sanctuary, Tasmania, Australia

MYN / Paul van Hoof / Common spadefoot toad (Pelobates fuscus) composite showing metamorphosis from larva to adult, The Netherlands, meetyourneighbours.net project

Roland Seitre / Western Lowland Gorilla (Gorilla gorilla gorilla) silverback male, native to central Africa

Roland Seitre / Western Lowland Gorilla (Gorilla gorilla gorilla) silverback male appearing to pout, native to central Africa

Ernie Janes / Boat full of people watching Common Seals (Phoca vitulina) on sand bank at Blakeney Point, Norfolk, August 2013.

David Woodfall / Residents walking through February 2014 floods from River Thames, Wraysbury, Surrey, England, UK, 16th February 2014.

Enrique Lopez-Tapia / Portrait of two Balti men, Skardu, Pakistan, June 2007.

Enrique Lopez-Tapia,Enrique Lopez-Tapia / Portrait of a Balti man, Gilgit, Pakistan, July 2007.

Cyril Ruoso / Mountain Gorilla (Gorilla gorilla beringei) large silverback continuing to display after attacking a tourist, Virunga Mountains, Rwanda