Will Burrard-Lucas / Young male melanistic leopard (Panthera pardus), Laikipia Wilderness Camp, Kenya. Photographed with a camera trap. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / Young male melanistic leopard (Panthera pardus), Laikipia Wilderness Camp, Kenya. Photographed with a camera trap. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / Young male melanistic leopard (Panthera pardus), Laikipia Wilderness Camp, Kenya. Photographed with a camera trap. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / Young male melanistic leopard (Panthera pardus), Laikipia Wilderness Camp, Kenya. Photographed with a camera trap.

Giri Cavale / Melanistic leopard / Black panther (Panthera pardus) Nagarahole National Park, Nilgiri Biosphere Reserve, Karnataka, India.

Giri Cavale / Melanistic leopard / Black panther (Panthera pardus) on territorial patrol on track, Nagarahole National Park, Nilgiri Biosphere Reserve, Karnataka, India.

Philippe Clement / Panther chameleon (Furcifer pardalis) in tree, showing rotating eyes. Captive, native to Madagascar.

Suzi Eszterhas / Panther Chameleon (Chamaeleo pardalis), Madagascar

Hiroya Minakuchi / Panther Chameleon (Chamaeleo pardalis) portrait showing eyes pointing in different directions, native to Madagascar

Ben Cranke / Jaguar (Panthera onca) sitting at night, Mato Grosso, Brazil

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

Paul Williams / Tourists watching two wild Jaguar cubs fight on riverbank whilst third looks on from above (Panthera onca) from boat on river, Pantanal, Pocone, Brazil. No release available.