Konrad Wothe / Estuarine / Saltwater crocodile (Crocodylus porosus) amongst mangrove roots, Daintree National Park, Queensland, Australia, October

Yashpal Rathore / Mugger crocodile (Crocodylus palustris) basking in the sunshine, Rangantitu Bird Sanctuary, India,

Yashpal Rathore / Mugger crocodile (crocodylus palustris) basking in sun, Tadoba National Park, India

Ernie Janes / Marsh crocodile (Crocodylus palustris) close up of skin, captive.

Ernie Janes / Marsh crocodile (Crocodylus palustris) close up portrait, captive, occurs in Iran, Pakistan, Nepal, India and Sri Lanka.

Andy Rouse / Mugger crocodile (Crocodylus palustris) at water's edge at sunset, Ranthambhore, India.

Pete Oxford / Mugger crocodile (Crocodylus palustris) on shore, National Chambal Gharial Wildlife Sanctuary, Madhya Pradesh, India.

Pete Oxford / Mugger crocodile (Crocodylus palustris) National Chambal Gharial Wildlife Sanctuary, Madhya Pradesh, India.

David Pattyn / Marsh Crocodile / Mugger (Crocodylus palustris) attacking and killing an Indian sambar deer (Cervus unicolor) while swimming in a lake. Ranthambore National Park, Rajasthan, India.

Enrique Lopez-Tapia / Mugger crocodile (Crocodylus palustris) Royal Chitwan National Park, Nepal.

Michael Pitts,Michael Pitts / American crocodile (Crocodylus acutus) hatchling in the shallows of a mangrove swamp. Offshore Island, Belize.

Pete Oxford / Cuban Crocodile (Crocodylus rhombifer) thermoregulating near Zapata Swamp National Park, Cuba