Alex Mustard / Backlit detail of branching fire coral (Millepora alcicornis) showing the hair like polyps, filled with stinging nematocysts. East End, Grand Cayman, Cayman Islands. Caribbean Sea.

Robin Chittenden / Peregrine falcon (Falco peregrinus) on statue's head, Norwich Cathedral, Norfolk, UK, June

Alex Mustard / A portrait of an Atlantic stargazer (Uranoscopus scaber) buried in the sand waiting to ambush prey. This species can also use its hairy tongue as a lure. El Cabron, Gran Canaria, Canary Islands, Spain...

Daniel Heuclin / Malayan Tiger (Panthera tigris jacksoni) in river, Malaysia. Captive in natural setting.

Juergen Freund / CT scan of injured Green turtle 'Angie' (Chelonia mydas) from the Cairns Turtle Rehabilitation Centre, Cairns Diagnostic Imaging. Queensland, Australia

Juergen Freund / CT scan of injured Green turtle 'Angie' (Chelonia mydas) from the Cairns Turtle Rehabilitation Centre, Cairns Diagnostic Imaging. Queensland, Australia

Konrad Wothe / Stone engravings of Giraffes in Wadi Mathendous, Wadi Barjuj, Stony Desert, Libya, Sahara, North Africa, November 2007

Bernard Castelein / Village life, woman covering her face, in doorway to village home, with peacock art on walls, Sawai Modhopu, Rajasthan, India

Petra Wegner / Mixed Breed puppy, 12 weeks / Pug crossbred, sitting on small sofa with reindeer toy.

Klaus Echle / Stockdove (Columba oenas) shadow on the trunk of beech tree. Black Forest, Germany, April.

Juergen Freund / Ancient pictographs (rock / cave paintings) of fish and sea creatures on karst limestone formations. Sunmalelen area, Raja Ampat, West Papua, Indonesia, January 2010

Edwin Giesbers / Fanged pitcher plant (Nepenthes bicalcarata) on white background, Sarawak, Borneo, Malaysia