Yashpal Rathore / Indian leopard (Panthera pardus fusca) using the underpass of National Highway NH-44, the longest national highway in India, seen here passing through Pench Tiger Reserve, Madhya Pradesh, India.Contac...

Yashpal Rathore / Indian leopard (Panthera pardus fusca) using the underpass of National Highway NH-44, the longest national highway in India, seen here passing through Pench Tiger Reserve, Madhya Pradesh, India. Conta...

Yashpal Rathore / Indian leopard (Panthera pardus fusca) walking across a bridge over the Sharda canal system, one of the biggest and oldest irrigation systems of Uttar Pradesh. Pilibhit Tiger reserve, Terai region, In...

Yashpal Rathore / Indian leopard (Panthera pardus fusca) walking across a bridge over the Sharda canal system, one of the biggest and oldest irrigation systems of Uttar Pradesh. Pilibhit Tiger reserve, Terai region, In...

Pete Oxford / Agami heron (Agamia agami) wading through shallow water with fish prey in beak, Pantanal, Brazil.

Pete Oxford / Agami heron (Agamia agami) wading in shallow water, Pantanal, Brazil.

Pete Oxford / Jaguar (Panthera onca) standing among dense vegetation at water's edge, northern Pantanal, Mato Grosso, Brazil.

Richard Sidey / Black-browed albatrosses (Thalassarche melanophris) pair, courtship display, Falkland Islands. January.

Neil Aldridge / Hawksbill turtle (Eretmochelys imbricata) swimming over a damaged reef, South Ari Atoll, Maldives. Critically endangered.

Neil Aldridge / African elephant (Loxodonta africana) head portrait, Okavango Delta, Botswana. Endangered.

Maxime Aliaga / Giant otter (Pteronura brasiliensis) running through shallow water along riverbank, Pantanal, Mato Grosso, Brazil. Endangered.

Maxime Aliaga / Giant otter (Pteronura brasiliensis) running through shallow water along riverbank, Pantanal, Mato Grosso, Brazil. Endangered.