Bullfrog, Rana catesbeiana / (Lithobates catesbeianus)

The largest frog in Kentucky is the Bullfrog, Rana catesbeiana.  This highly aquatic frog measures 6 to 8 inches in length and is found throughout the state.  Its long breeding season extends from spring to late summer.  Eggs are released in a thin film on the surface of the water.  Spawning takes place in permanent bodies of water and the tadpoles overwinter one or more years before reaching maturity.  The Bullfrog has a deep resounding call that easily distinguishable from all other frogs.  In Kentucky's chorus of frog calls, the Bullfrog sings bass.
 
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