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Alligators and caimans split in North America during the early Tertiary or late Cretaceous (about 53 million to 65 million years ago). [4] [5] The Chinese alligator split from the American alligator about 33 million years ago [4] and probably descended from a lineage that crossed the Bering land bridge during the Neogene.
American alligators do not normally reach such extreme sizes. In mature males, most specimens grow up to about 3.4 m (11 ft 2 in) in length, and weigh up to 360 kg (790 lb), [7] while in females, the mature size is normally around 2.6 m (8 ft 6 in), with a body weight up to 91 kg (201 lb).
However, given that alligators are cold-blooded reptiles, they undergo a different form of self-preservation. Much like snakes in South Carolina, alligators in the Palmetto State go into a state ...
The order Crocodilia consists of 28 extant species belonging to 9 genera. This does not include hybrid species or extinct prehistoric species. Modern molecular studies indicate that the 9 genera can be grouped into 3 families.
Large alligators do not recognize the difference between domestic pets and wild food sources. It is best to avoid swimming in areas that are known habitats for large alligators but at the least ...
So alligators climb for a better view and to locate a good sunbathing spot when the ground is unsuitable. Researchers have found that some alligators can climb as high as 13 feet.
The lineage including alligators proper (Alligatorinae) occurs in the fluvial deposits of the age of the Upper Chalk in Europe, where they did not die out until the Pliocene age. The true alligators are today represented by two species, A. mississippiensis in the southeastern United States , which can grow to 15.6 ft (4.6 m) and weigh 1000 lbs ...
Claims of a wild swamp-dwelling reptile living a mile from the 110 seemed fantastical. Then on Aug. 12, a teenage Reggie crawled out of the water for a sunbath, and a city lost its mind. Chaos ensues