Alligator

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An alligator, or colloquially gator, is a large reptile in the genus Alligator of the family Alligatoridae in the order Crocodilia. The two extant species are the American alligator (A. mississippiensis) and the Chinese alligator (A. sinensis). Additionally, several extinct species of alligator are known from fossil remains. Alligators first appeared during the late Eocene epoch about 37 million years ago. The term "alligator" is likely an anglicized form of el lagarto, Spanish for "the lizard", which early Spanish explorers and settlers in Florida called the alligator. Early English spellings of the name included allagarta and alagarto. Alligators are notable for their ability to inhabit climates that are considerably more temperate than those of most other crocodilians. Although they generally prefer subtropical to tropical regions, they are also capable of surviving colder winters in the northern parts of their range.