How big is an American alligator?
A American alligator is about 8 to 11 ft2.4 to 3.4 m1 long. It digs pools in the swamp that help other animals in dry weather.
A American alligator next to you
Next to a child about four feet tall: the American alligator is about 2 of you long, lying head to toe.
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Where the numbers come from
- National Park Service, Gulf Islands, checked 30 October 2026.