Crocodiles are large aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.
Crocodiles are ambush predators, waiting for fish or land animals to come close, then rushing out to attack.
Crocodiles mostly eat fish, amphibians, crustaceans, molluscs, birds, reptiles, and mammals, and they occasionally cannibalize smaller crocodiles.
What a crocodile eats varies greatly with species, size and age. From the mostly fish-eating species, like the slender-snouted and freshwater crocodiles, to the larger species like the Nile crocodile and the saltwater crocodile that prey on large mammals, such as buffalo, deer and wild boar, diet shows great diversity.
Crocodiles are the most social of reptiles. Even though they do not form social groups, many species congregate in certain sections of rivers, tolerating each other at times of feeding and basking.
Most species are not highly territorial, with the exception of the saltwater crocodile, which is a highly territorial and aggressive species.