The turquoise frog in Victor Berthelsdorf’s pond may look pretty, but for local turtles, bugs and other animals, it is anything but. Berthelsdorf first spotted the brilliantly colored American ...
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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