June 14, 2012
If the tympanic membrane of the Green Frog (Rana clamitans)—its external hearing structure—is much larger than the eye, then you know it’s a male. Rana clamitans: that’s fun to say out loud! —photo by Jerod Skebo
Shaver's Creek Environmental Center is Penn State's Nature Center. Visit our blog to stay informed about the programs, updates and natural history happenings here at the Creek.
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