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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).
[14] [15] A 12-foot-long alligator believed to have attacked Satterlee was captured and killed on September 13, 2021. Human remains were found in its stomach. [16] Although Louisiana, like Florida, has approximately 1.5 million alligators, this was Louisiana's only known fatal alligator attack. [17] May 1, 2020: Cynthia Covert, 58, female
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 ...
Alligators are among the most massive reptiles on earth – only crocodiles are more enormous! Watch this video to discover the biggest alligators ever. Also, learn to distinguish between ...
The alligators can stay frozen in place for days at a time, the park found. Temperatures fell to 17 degrees in Ocean Isle Beach on the day the video was recorded, the park reported.
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