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The order Crocodylia includes the “true crocodiles,” alligators, caimans, and gavials. List the similarities and differences...

The order Crocodylia includes the “true crocodiles,” alligators, caimans, and gavials. List the similarities and differences among them.

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Expert Solution

CHARACTERISTICS ALLIGATORS CAIMANS GAVIALS
FAMILY Alligatoridae Alligatoridae with 3 genera Gavialidae
DISTRIBUTION(all through the tropics in Africa, asia, America and Australia) only 2 species exist.. American alligator and chinese Central and Southern Mexico to Ecuador and East of Andes into Uruguay, Paraguay and Northern Argentina India, pakistan, bangladesh, bhutan
BODY Black or olive brown in color, shaped snout

Small to Large, have a dorsal flaring dorsal horn on hyoid plate, a large nasal foramen, and an angular with a blunt anterior tip not extending to post intermandibular foramen

Snout is U shaped

Snout is V shaped which varies with the age.Body is olive colored.
FOOD(All are carnivorous) Eat hard shelled creatures feed on amphibians, insects, snails and larger vertebrates Designed to eat more fish
SOUND most noisiest inhales air into lungs and make deep roar sounds adult males develop bulbous growth at the tip of the snout and make sounds
PARENTAL CARE lay eggs and female take care of it Build nest mounts in which eggs are deposited. Have parental care build nests on moist sand

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