The American alligator is a large species of crocodilian that lives in the rivers, swamps, marshes and wetlands of the Southern USA and Mexico. American alligators may be dark green, brown or grey in colour. They have a broad rounded head with a large gape and many teeth, of which some can be seen protruding externally. The body of the American alligator is broad, with several raised ridges of scales running down their back. Their legs stick out laterally and they move close to the ground but will raise themselves off the ground when running. Male American alligators measure 3.4 to 4.6m in length and weigh 200 to 626kg. Females measure 2.6 to 3.0m in length and weigh 30 to 200kg. American alligators continue growing throughout their lives so can reach very large sizes.
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Alligator mississippiensis
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american-alligator
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Animal Facts
American alligators lose and regrow teeth throughout their lives, they may go through 3000 teeth in a lifetime.
American alligator blood is extremely good at fighting off bacteria, meaning alligators that get seriously injured often do not get infections.
American alligators are among the first reptile species to be observed using tools; they balance branches on their heads to entice nest-building birds to come and pick them up, and they will then attack.
American alligators are integral to their environment because they create 'alligator holes' – small ponds that retain water through the dry season and provide habitats for multiple species.
Adult American alligators have the second strongest laboratory-measured bite force, beaten only by the saltwater crocodile.
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