Wood Frog (Lithobates sylvaticus)


  • Dorsal color: brown with white dorsal stripe (except in Bighorn Mtns)
  • Dorsolateral folds from the eye down the length of the body
  • Dark face mask (Zorro Frog!  See below) that extends just past the tympanum
  • Size:  3/4 inch (metamorph) to ~3.5 inches (adult)
  • Mp3 of call (courtesy of NatureNorth.com)


Photo by Leuenberger

WoodFrog_Ly-400px.jpg     WoodFrog_metamorph_Greene-400px.jpg

Adult photo by Ly                                                                                      Metamorph photo by Greene


Eggs and Tadpoles

  • Eggs in round cluster ~3 to 5 inches diameter with up to 1,250 eggs
  • Eggs black on top, white on bottom
  • Eggs often in communal clusters just below the surface of the water
  • Tadpoles typically dark on top & pale below often with a metallic sheen
  • Tail fin starts high on the body and is strongly arched
  • Tadpoles eyes are medial and anal vent is on the side


Breeding Habitat

Shallow water in small permanent to ephemeral forest ponds and potholes, or flooded meadows.


Photo by Greene


Native Range


Map by Wyoming Natural Diversity Database