How does the tympanum size typically differ between a male and a female American Bullfrog?

Answer

A male's tympanum is noticeably larger than its eye, while a female's is usually the same size.

Males typically have a tympanum that is noticeably larger than their eyes, whereas a female’s tympanum is usually about the same size as her eye.

How does the tympanum size typically differ between a male and a female American Bullfrog?
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