In our area, there are only two large frogs that you are likely to find in the warm waters of a lily pond — the green frog (Rana clamitans melanota) and the bullfrog (R. catesbeiana). The biggest ...
The sex of an adult bullfrog can be easily determined by examining the size of the tympanum or the external ear of the frog relative to the size of their eyes. The tympanum is a round circle located ...
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