Bullfrogs and Green Frogs


American Bullfrog

Project Coordinator

(Lithobates catesbeiana)
Size: Bullfrogs are the largest frogs in Philadelphia, reaching 8 inches long. 
Habitat: They live in marshes, ponds, and streams. 
Description: Bullfrogs are olive-green to brown with darker spots on their backs and legs and large eardrums behind their eyes. Similar to green frog but without fold of skin running back from ear drum. Call a deep "jug-o-rum."

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