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

Rick Tomlinson / Water, air and sea temperatures onboard SY "Adele", 180 foot Hoek Design, during her expedition around the Antarctic Penninsula, January 2007.

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

Pete Oxford / Palm Frond detail. Mahahual Penninsula, South Yucatan Peninsula, Mexico.

Pete Oxford / Venus Sea Fan (Gorgonia flabellum). Puenta Gruesa, Mahahual Penninsula, South Yucatan Peninsula, Mexico.

Pete Oxford / Palm Frond detail. Mahahual Penninsula, South Yucatan Peninsula, Mexico.

Pete Oxford / Coconut Palms (Cocos nucifera) on shoreline. Mahahual Penninsula, South Yucatan Peninsula, Mexico.

Pete Oxford / Giant Land Crab (Cardisoma guanhumi) branding a claw. Mahahual Penninsula, South Yucatan Peninsula, Mexico, October.

Pete Oxford / Coconut Palms (Cocos nucifera) on shoreline. Mahahual Penninsula, South Yucatan Peninsula, Mexico.

Pete Oxford / Portrait of a Giant Land Crab (Cardisoma guanhumi). Mahahual Penninsula, South Yucatan Peninsula, Mexico, October.

SINCLAIR STAMMERS / Ynys Lochtyn penninsula, north of Llangranog, Ceredigion, West Wales, UK, composed of Silurian mudstones deposited in the Iapetus Ocean approximately 430 million years ago.

Flip Nicklin / Chinstrap Penguin (Pygoscelis antarctica), Antarctic Penninsula, Antarctica

Flip Nicklin / Chinstrap Penguin (Pygoscelis antarctica) walking, Antarctic Penninsula, Antarctica

Flip Nicklin / Chinstrap Penguin (Pygoscelis antarctica) tobogganing, Antarctic Penninsula, Antarctica

Flip Nicklin / Chinstrap Penguin (Pygoscelis antarctica) group, Antarctic Penninsula, Antarctica

Roy Mangersnes / Three Gentoo Penguins (Pygoscelis papua) in the snow on Aitcho Island, Antarctic Penninsula. November

Colin Monteath / Tourist cruise ship leaves Paradise Bay, Antarctic Peninsula, a view from summit Mount Don Roberts, Antarctic Penninsula, Antarctica

Albert Lleal / Dewy Pine (Drosophyllum lusitanicum) detail of the sticky droplets which ensnare its prey, endemic to the Iberian Penninsula and northern Africa

Peter Bassett / Red snow algae, Couverville Is, Antarctic Penninsula

Tui De Roy / Hector's Dolphin (Cephalorhynchus hectori) small pod in turbid coastal waters near river mouth, Kaikoura Penninsula, South Island, New Zealand

Tui De Roy / Hector's Dolphin (Cephalorhynchus hectori) small pod in turbid coastal waters near river mouth, Kaikoura Penninsula, South Island, New Zealand

Peter Bassett / Moulting Southern elephant seal {Mirounga leonina} with runny nose, Dream Island, Antarctic Penninsula.

Sue Flood / Southern elephant seal scratching {Mirounga leonina} Antarctic Penninsula, February 2001

Sue Flood / Crabeater seal {Lobodon carcinophagus} Antarctic Penninsula, February 2001

Sue Flood / Weddel seal {Leptonychotes wedellii} with Gentoo penguins, Antarctic Penninsula, February 2001

Willem Kolvoort / Atlantic salmon {Salmo salar} Very young salmon / parr. They live for a time in fresh water before they swim to the sea. Penninsula Gaspé, Canada

Willem Kolvoort / Atlantic salmon {Salmo salar} Very young salmon / parr. They live for a time in fresh water before they swim to the sea. Penninsula Gaspé, Canada

Willem Kolvoort / Atlantic salmon (Salmo salar} waiting in pool at mouth of river for water temperature to drop 3 degrees before swimming up river to spawn, Gaspe Penninsula, Canada. Note one salmon has a fishing hook...

Willem Kolvoort / Atlantic salmon (Salmo salar} waiting in pool at mouth of river for water temperature to drop 3 degrees before swimming up river to spawn, Gaspe Penninsula, Canada.

Willem Kolvoort / Atlantic salmon (Salmo salar} waiting in pool at mouth of river for water temperature to drop 3 degrees before swimming up river to spawn, Gaspe Penninsula, Canada.

Willem Kolvoort / Atlantic salmon (Salmo salar} waiting in pool at mouth of river for water temperature to drop 3 degrees before swimming up river to spawn, Gaspe Penninsula, Canada.

Willem Kolvoort / Atlantic salmon (Salmo salar} waiting in pool at mouth of river for water temperature to drop 3 degrees before swimming up river to spawn, Gaspe Penninsula, Canada.

Pete Oxford / Argentine / Patagonian grey fox {Pseudolopex griseus} Penninsula Valdes, Argentina

Pete Oxford / Argentine / Patagonian grey fox {Pseudolopex griseus} Penninsula Valdes, Argentina

Pete Oxford / Native Koryak dancers in ceremonial dress, Ossora, Karaginsky, Kamchatka Penninsula, Russia

Peter Bassett / Wave cut notch on iceberg near Hope Bay, Antarctic Penninsula

Bernard Castelein / Isla Bartolome, Galapagos

Gavin Hellier / Coastal scenic along Gargano Penninsula, Vieste, Puglia, Italy

Doug Allan / Crabeater seals {Loboden carcinophagus} hauled out on ice, Antarctic Penninsula.