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

Staffan Widstrand / Wild Wonders of China / Great pied hornbill (Buceros bicornis) male bird photographed in flight in Hong Bung He, Dehong, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Red panda or Lesser panda (Ailurus fulgens) in the humid montane mixed forest, Laba He National Nature Reserve, Sichuan, China

Francois Savigny / Old African elephant bull in 'must', period of sexual dominance when he wil mate with females in his home range, Etosha National Park, S. Africa

Sergey Gorshkov / Leopard (Panthera pardus) female fighting off male after he tries to mate with her. Londolozi Private Game Reserve, Sabi Sand Game Reserve, South Africa.

Luke Massey / Black kites (Milvus migrans) flying above man as he throws food skyward from a rooftop. Old Delhi, India. February 2016. Finalist in the Urban category of the Wildlife Photographer of the Year Awards...

Nick Upton / Blind adult male Grey seal (Halichoerus grypus) 'Marlin' waving a flipper at the edge of a convalescence pool where he is a long-term resident, Cornish Seal Sanctuary, Gweek, Cornwall, UK, January. Mo...

Cyril Ruoso / Man with Chamec spider monkeys (Ateles chamek) holding onto him as he walks through sanctuary. Ikamaperou Sanctuary, Amazon, Peru. October 2006.

Alex Mustard,Alex Mustard / A diver and a hydrothermal chimney. Note that he is obscured by the different temperature waters (from the chimney and the surrounding water) which are unable to mix. The sea water was 4 degrees Celsi...

Laurent Geslin / Fulani refugee showing photographer how he crossed the Senegal river in 1989, South Mauritania, West Africa, 2005

Alex Mustard / A male Yellow-headed jawfish (Opistognathus aurifrons) blowing out a clutch of eggs he has been incubating in his mouth in order to oxygenate them, East End, Grand Cayman, Cayman Islands, British West...

Paul D Stewart / Restoration of the Iguanodon by Alice B. Woodward from Lydekker's The Royal Natural History' Frederick Warne and co, 1896. This is one of the first reconstructions to correctly show the Iguanodon's th...