Frogs in Illinois

Illinois is home to many frogs that thrive in the state’s humid, continental climate.

The pickerel frog is the only poisonous native frog in Illinois.

Frogs in Illinois

Frogs and Toads of Illinois

Narrow-mouth Frogs (called toads due to terrestrial behavior)

  • Eastern Narrow-mouthed Toad

Tree Frogs and Their Allies

  • American Green Treefrog
  • Bird-voiced Tree Frog
  • Blanchard’s Cricket Frog
  • Boreal Chorus Frog
  • Cope’s Gray Treefrog
  • Gray Treefrog
  • Northern Cricket Frog

True Frogs

True Toads

Spadefoot Toads

  • Eastern Spadefoot Toad

Small Frogs: Blanchard’s Cricket Frog, American Green Treefrog, etc.

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