frogs

of Tennessee

 

American Bullfrog

Lithobates catesbeianus
 
Photo by Lisa Powers

Description:  American bullfrogs (Lithobates catesbeianus) are the largest native frogs in the U.S. They typically range from 3.5 - 6 inches long. They are green to brown in color and are characterized by a ridge curving from behind the eye around the tympanum (the "ears").  

Habitat: American bullfrogs live in medium to large permanent bodies of water (lakes or ponds).

Life History: Females lay 1000 - 5000 eggs in a thick surface film. Metamorphosis of tadpoles takes 1 - 2 years. The American bullfrog requires 2 - 3 additional years to reach maturity.

Range: Found statewide

Additional Notes:

Behavior: They will eat almost any living creature they can fit into their mouths.

Subspecies Occurring in Tennessee:

 

Distribution of the American Bullfrog in Tennessee

Map by Susan Marden, TWRA, GIS Lab

Photo by Lisa Powers

Photo by Lisa Powers

Photo by Lisa Powers

Photo by Lisa Powerswers

 

Photo by Lisa Powers

 

Photo by Lisa Powers

 

Photo by Lisa Powers

 

Photo by Lisa Powers

 

Photo by Lisa Powers

 

 

Photo by Lisa Powers

 

 

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September 2017