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Three extant crocodilian species clockwise from top-left: saltwater crocodile (Crocodylus porosus), American alligator (Alligator mississippiensis), and gharial (Gavialis gangeticus) Crocodilia is an order of mostly large, predatory , semiaquatic reptiles , which includes true crocodiles , the alligators , and caimans ; as well as the gharial ...
Crocodilians typically remain underwater for up to fifteen minutes, but under ideal conditions, some can hold their breath for up to two hours. [98] The depth to which crocodilians can dive is unknown, but crocodiles can dive to at least 20 m (66 ft). [99] Crocodilians vocalize by vibrating vocal folds in the larynx.
For example, the behaviour of crocodiles "is constructed in interaction, both between people and crocodiles, and among people"; [5] markedly different results depended on "institutional arrangements and attitudes towards sharing a dam with crocodiles" in different villages in Benin, where knowledge of crocodile habits reduced attacks. [5] [6]
In 2003, [5] new fossils of several types of ancient crocodile were found, including one with a flat broad snout reminiscent of a duck's bill, though it has teeth and is obviously crocodilian rather than bird-like. This genus has been named Anatosuchus or "DuckCroc", and it had an upright stance rather than the sprawled legs of modern crocodiles.
More than 100 million years ago, an ancestor of today’s alligators and crocodiles wandered through present-day South Korea on its hind limbs, scientists announced June 11 in the journal ...
Crocodiles (family Crocodylidae) or true crocodiles are large, semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.The term “crocodile” is sometimes used more loosely to include all extant members of the order Crocodilia, which includes the alligators and caimans (both members of the family Alligatoridae), the gharial and false gharial (both ...
This physiological trait is known in crocodiles, but the earliest crocodilians wouldn’t appear for another 100 million years or so, and crocodile fossils haven’t been found at this location ...
It shows the crocodile sat still at the edge of the surf (jaws closed), with only its tail occasionally moving. The association noted it seemed “to love having the waves splash over its body.”