Alex Hyde / Bearded pig (Sus barbatus) foraging for food at night, Maliau Basin, Sabah, Borneo.

Ann & Steve Toon / Ground squirrel (Xerus inauris) Kgalagadi Transfrontier Park, Northern Cape, South Africa Non-ex.

Matthew Maran / Mute swans (Cygnus olor) Highgate Ponds, Hampstead Heath, London, UK, February.

Bernard Castelein / Black Lemur (Eulemur macaco) male, Nosy Komba, Madagascar

Bernard Castelein / Black Lemur (Eulemur macaco) male, Nosy Komba, Madagascar

Anup Shah / Cape buffalo (Syncerus caffer) young male approaching with curiosity. Masai Mara Nationa Reserve, Kenya. Taken with remote wide angle camera.

Michele Westmorland / Booby (Sula nebouxii) looking at camera underwater, Galapagos Island.

Chris & Monique Fallows / African penguins (Spheniscus demersus) diving underwater, False Bay, Cape Town, South Africa.

Franco Banfi / Couple of Pink River dolphin / Boto (Inia geoffrensis) Acajatuba Lake, Negro River, Amazonas, Brazil

David Tipling / Dalmatian Pelicans (Pelicanus crispus) being fed by fisherman at Lake Kerkini, Northern Greece, February

Barrie Britton / Male Panther Chameleons (Furcifer pardalis) fighting. Nosy Be, Madagascar. Photograph taken on location for BBC 'Wild Madagascar' Series, January 2010

Barrie Britton / Nosy Be Pygmy Leaf Chameleon (Brookesia minima) female, the world's second smallest reptile species, Nosy Be, Madagascar. Photograph taken on location for BBC 'Wild Madagascar' Series, January 2010