<li>Each book includes an hour-long CD with sounds for 35+ species <li>How to identify species by ear with text that provides helpful mnemonics for each sound plus when and how each call or song is used <li>Information on physical characteristics and life history of each species <p>These superb collections of field recordings and descriptions offer unparalleled access to the sounds and calls of numerous popular and less well known birds and amphibians. Each book and CD provides an introduction to the sound repertoire of species living in eastern and central North America--a variety of calls from each species are included, along with an in-depth description and explanation of their significance. In addition to color photographs of the most common species, the text offers a fascinating look at the science of avian and amphibian calls, making these guides indispensable aids for the outdoor enthusiast.<P>Species covered in this book: Bullfrog - Pig Frog - Green Frog - Wood Frog - Mink Frog - Carpenter Frog - Florida Bog Frog - Plains Leopard Frog - Southern Leopard Frog - Northern Leopard Frog - Pickerel Frog - Gopher Frog - Crawfish Frog - River Frog - Green Treefrog - Pine Barrens Treefrog - Barking Treefrog - Squirrel Treefrog - Pine Woods Treefrog - Gray Treefrog - Cope's Gray Treefrog - Bird-voiced Treefrog - Spring Peeper - Ornate Chorus Frog - Strecker's Chorus Frog - Little Grass Frog - Western Chorus Frog - Southern Chorus Frog - Brimley's Chorus Frog - Mountain Chorus Frog - Northern Cricket Frog - Southern Cricket Frog - American Toad - Southern Toad - Gulf Coast Toad - Fowler's Toad - Great Plains Toad - Oak Toad - Eastern Spadefoot - Plains Spadefoot - Eastern Narrowmouth Toad - Great Plains Narrowmouth Toad