| a typically light-brown frog, Rana sylvatica, inhabiting moist woodlands of eastern North America, having a dark, masklike marking on the head. |
| wood frog n. A North American frog (Rana sylvatica) that inhabits damp woodlands and has a brown masklike patch running from snout to ears. |
wood frog
(Rana sylvatica), terrestrial frog (family Ranidae) of forest and woodlands. It is a cool-climate species, occurring from the northeastern quarter of the United States throughout most of Canada to central and southern Alaska.
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