The calls of frogs and toads [Eastern and Central North America]
The calls of 42 native species of frogs and toads found east of the Great Plains are introduced, with a reference guide and narrated introduction to the variety of calls produced by these amphibians.
"Accompanying CD has recordings of a variety of calls from each of the species of frog and toad covered in the book."
"The calls of 42 native species of frogs and toads found east of the Great Plains are introduced, with a reference guide and narrated introduction to the variety of calls produced by these amphibians."@en
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