Wood Frog (Lithobates sylvaticus)

IdentificationWoodFrog_Leuenberger-400px.jpg

  • 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.

AmphibianHabitat_Greene-700px.jpg

Photo by Greene

 

Native Range

WoodFrog.jpg

Map by Wyoming Natural Diversity Database