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Voice: Call is a loud deep "jug-o-rum." We have heard them call from March through August. Typically a warm weather breeder. Habitat: Bullfrogs require permanent bodies of water since it can take two years for their tadpoles to metamorphose into frogs. Range: Statewide
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Description: Size: 3.5-6 inches, (record 8.6 inches). Our largest frog in
Tennessee. A very large brown to green frog. The dorsolateral
ridge curves around the tympanum (eardrum) and does not continue down the
back. Males have bright yellow throats during the breeding season.
Bullfrogs, like several of the lithobatids, can be sexed by looking at the size
of the tympanum. Males have a tympanum larger than their eye.