American Bullfrog

American bullfrog

American Bullfrog

Lithobates catesbeianus

The American bullfrog is the largest true frog in North America.

Class

Amphibia

Order

Anura

Family

Ranidae

Range

Southeastern Canada, eastern and central United States. Widely introduced into the western U.S. and also into many foreign countries

Size

Length: 4 to 8 in
Weight: Up to 1.1 lbs

Habitat

In and near larger bodies of water such as lakes, ponds, and large ditches, as well as sloughs near rivers

Young

Clutch of up to 20,000 eggs
Incubation: About 14 days

Diet

Ducklings, snakes, fish, small rodents, crayfish, insects, worms, other frogs

IUCN Status

Least Concern

American bullfrog in a pond

Color Variations

The green color is due to blue pigment in the skin covered by a thin layer of yellow mucus. Many color variations are known including white, bright yellow, bright blue, and black and white.

Breeding Season & Maturity

They breed from about March through July or August. Tadpoles take 6 months to 2 years to mature.

Status

Their status is stable, but like other amphibians they suffer from habitat destruction and pollution.