Facts about Gray Tree Frogs
- 07
The tympanum of gray tree frogs measures only 4 to 5 millimeters in diameter, making it one of the smallest ear structures relative to body size among North American frog species.
- 06
Approximately 30 percent of a gray tree frog's body weight consists of water stored in its bladder, which it uses during dry periods to maintain hydration without leaving trees.
- 05
During amplexus, a male gray tree frog grips the female from behind for up to 24 hours while she deposits eggs in water-filled tree cavities.
- 04
Gray tree frogs have a lifespan of 4 to 7 years in the wild, though captive individuals can live up to 20 years with proper care.
- 03
Male gray tree frogs produce advertisement calls at frequencies between 1,000 and 4,000 hertz to attract females during breeding season from April through August.
- 02
Eastern gray tree frogs can change their skin color from gray to green within 24 hours by adjusting pigment distribution in specialized chromatophore cells.
- 01
Adhesive toe pads on gray tree frogs contain approximately 10,000 to 100,000 microscopic cells that enable them to climb smooth glass surfaces without any secreted mucus.