Peter Cairns / 2020VISION / Group of tourists wearing waterproof clothing and life jackets photograph Gannet colony from zodiac boat on tour around Bass Rock, North Berwick, Firth of Forth, Lothian, Scotland, UK, August 2011. Di...

Edwin Giesbers / Snow Leopard (Panthera uncia) sitting in darkness, with eyes glowing as they reflect available light, captive

Nick Garbutt / Three Mossy Leaf-tailed Geckos (Uroplatus sikorae) in differing colour morphs. From forest understorey at night. Masoala National Park, Madagascar. Photographed on white background

Tim MacMillan / John Downer Pr / Kuhl's gecko flying - every edge of body expanded into membrane that acts as a wing as it glides (Resolution restriction - image digitised from film, 'Weird Nature' tv series)

Bruno D'Amicis / Cory's Shearwater (Calonectris diomedea) close-up of the bill with tubenose. Island of Linosa, Sicily, July.

Jenny E. Ross / Rock ptarmigan (Lagopus mutus) in winter plumage, well-camouflaged against the snowy ground, and feather-covered feet visable. Churchill, Manitoba, Canada. November

Edwin Giesbers / Buttress roots of a tropical rainforest tree, Kubah National Park, Sarawak, Borneo, Malaysia

Nick Garbutt / Satanic Leaf-tailed Gecko (Uroplatus phantasticus) on white background. Captive, from Ranomafana National Park, Madagascar.

Nick Garbutt / Satanic Leaf-tailed Gecko (Uroplatus phantasticus) on white background. From Ranomafana National Park, Madagascar.

Nick Garbutt / Mossy Leaf-tailed Gecko (Uroplatus sikorae) on white background. From forest understorey at night. Masoala National Park, Madagascar.

Nick Garbutt / Spear-nosed Snake (Langaha madagascariensis) from the rainforest regions of eastern Madagascar. Male (top) and female (bottom) Digitally altered image.

Nick Garbutt / Stump-tailed Leaf Chameleon (Brookesia superciliaris) on white background. From rainforest leaf-litter, Masoala National Park, Madagascar.