Theo Webb / Bengal tiger (Panthera tigris) cubs following their mother, Bandhavgarh National Park, India.

Theo Webb / Bengal Tiger (Panthera tigris) six month old cub jumping on its mother, Bandhavgarh National Park, India.

Theo Webb / Male Indian peafowl (Pavo cristatus) displaying to attract a female, Bandhavgarh National Park, India.

John Downer / Bengal Tiger (Panthera tigris tigris) mother and cub, Pench National Park, Madhya Pradesh, India, taken on location for 'Tiger - Spy in the Jungle'

Cyril Ruoso / Bengal Tiger (Panthera tigris tigris) white adult resting, native to Asia

Vladimir Medvedev,Vladimir Medvedev / Amur / Siberian Tiger (Panthera tigris altaica) female in the wild, on a hillside, Lazovskiy zapovednik / Lazo Reserve protected area, Primorskiy krai, Far Eastern Russia, February 2012

Axel Gomille / Tiger (Panthera tigris tigris) cub, Bandhavgarh National Park, India

Edwin Giesbers,Edwin Giesbers / Sumatran tiger (Panthera tigris sumatrae) close-up head portrait, captive

Edwin Giesbers / Sumatran tiger (Panthera tigris sumatrae) close-up head portrait, captive

Tim Fitzharris / Siberian Tiger (Panthera tigris altaica) running, native to Russia

Mark Carwardine / Tiger Conservation: Russian children learning about tiger conservation, Tiger Eco-Centre, Novopokrovka, northern Primorye, Russian Far East

Mark Carwardine / Siberian / Amur tiger (Panthera tigris altaica) yawning, Male rescued from poachers, ÊUtyos Wildlife Rehabilitation Centre, Kutuzovka Village, Russian Far East, in taiga forest, Endangered species