Preface Acknowledgements Introduction to Amphibians Why Study Frogs and Toads? Frog and Toad Identification Frog Calls Toads – Family Bufonidae American toad Bufo americanus Fowler's toad Bufo woodhousei fowleri Treefrogs – Family Hylidae Blanchard's cricket frog Acris crepitans blanchardi Mountain chorus frog Pseudacris brachyphona Western chorus frog Pseudacris triseriata Northern spring peeper Pseudacris crucifer Gray treefrogs Hyla chrysoscelis and Hyla versicolor True frogs – Family Ranidae Bullfrog Rana catesbeiana Green frog Rana clamitans melanota Pickerel frog Rana palustris Northern leopard frog Rana pipiens Woodfrog Rana sylvatica Glossary of Terms