Juan Carlos Munoz / Double-crested Cormorants (Phalacrocorax auritus) and Brown pelicans (Pelecanus occidentalis) on small island, Isla Contoy National Park, Quintana Roo, Yuccatan Penninsula, Mexico

Nick Upton / Mourtia beach and bay with the southeast tip of Samos and Mount Mycale in Turkey's Dilek Peninsula National Park in the background, east coast of Samos, August 2011.

Sergey Gorshkov / Ruffs displaying and fighting (Philomachus pugnax) Agapa River, Taimyr Peninsula, Siberia, Russia

Sergey Gorshkov / Willow grouse / ptarmigan (Lagopus lagopus) pair in flight, Agapa River, Taimyr Peninsula, Siberia, Russia

Brent Stephenson / Gentoo Penguins (Pygoscelis papua) porpoising on the way back to the breeding colony. Port Lockroy, Antarctic Peninsula, Antarctica, January.

Alex Hyde / Close up of coiled tail of Parson's chameleon {Calumma parsonii} showing scales and strong green colouration. Tropical rainforest, Masoala Peninsula National Park, north east Madagascar.

Peter Bassett / Green snow algae. Petermann Island, Antarctic Penninsula, Antarctica

Pete Oxford / Antarctic Penninsula and tourists in Zodiac boat. Antarctica

Sandra Bartocha / Sea Smoke, a kind of fog formed when very cold air moves over warmer water, Varanger Penninsula, Norway, March 2013.

Sandra Bartocha / Long exposure of movement of the surf, Varanger Penninsula, Norway, March 2013.

Roland Seitre / Sumatran rhinoceros (Dicerorhinus sumatrensis) female mud bathing at captive breeding facility at Cincinati Zoo, USA. Native to Sumatra, Borneo and the Malay Penninsula. Critically endangered species...

Roland Seitre / Rock of Gibraltar, a limestone headland, Gibraltar, British overseas territory, Iberian Penninsula, February 2005.