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Wood Frog (Lithobates sylvatica)

Wood Frog photo.
Photo © Dan Nedrelo
  • Family: Ranidae (True frogs)
  • Status: Common
  • Size: 1.5 to 2.5 inches

range map

Species range

The wood frog's dorsal color varies from pinkish-tan to brown with a very dark brown "mask" through and behind its eyes, fully encompassing the tympanum. The upper lip is lined in white. The dorsolateral fold is colored a light tan with numerous black marking along its length. The wood frog's call sounds somewhat like a quacking duck. They prefer moist forests and large woods where an intact understory creates a humid microclimate. Like other early spring breeders, wood frogs usually breed in ephemeral (fishless) ponds created by snow melt and spring rains. They have the shortest breeding window of any Wisconsin frog, starting just after frost-out and lasting only about two weeks. Females usually cluster their egg masses together within a pond.

Photos


Wood Frog  [Photo #1059]

The wood frog is widespread in Wisconsin but makes heavy use of fishless ponds (such as ephemeral ponds) as breeding sites.

Photo © Dan Nedrelo.

Wood Frog  [Photo #13614]

Photo by Loren Ayers, WDNR.

Last revised: Wednesday, October 25, 2017