American Alligator

Alligator mississippiensis · Reptile, Vertebrate, Cold-blooded, Wild

American Alligator

Animal Family

Family Alligatoridae, order Crocodilia, class Reptilia

Animal Category

Reptile/Amphibian

Breed / Variety

Wild American Alligator

Conservation Status

IUCN Red List status is Least Concern, with a stable population trend following successful conservation recovery programs.

About This Creature

Large reptile with a robust, armored body, long muscular tail, and a broad snout. Adults typically range from 8 to 11 feet in length and weigh between 400 and 800 pounds. Dark olive, brown, or nearly black in color with yellowish-white underbellies.

Physical Characteristics

Four short limbs, powerful webbed feet, heavily armored with bony plates called osteoderms embedded in the skin. Broad, rounded snout with teeth in the upper jaw overlapping the lower jaw when closed.

Behavior & Temperament

Solitary, semi-aquatic ambush predators. Generally wary of humans but can become dangerous if fed or cornered. Diurnal and nocturnal depending on temperature.

Habitat & Diet

Origin Region

Southeastern United States, ranging from North Carolina to southern Texas

Habitat

Wetland/Marsh, Freshwater (River/Lake), Semi-aquatic

Diet & Nutrition

Carnivore, feeding on fish, turtles, snakes, birds, and small mammals. Uses ambush hunting strategies near water margins.

Lifespan & Health

Lifespan of 50 years or more in the wild. Predators include humans and large birds of prey for juveniles; apex predators as adults.

Special Characteristics

Possesses a powerful bite force, excellent night vision, and specialized valves in ears and nose to keep water out while submerged.

Ecological Information

Keystone species that creates 'gator holes' which retain water during dry spells and provide vital habitat for numerous other wetland species.

Identified on 9/19/2026