A Field guide to western bird songs

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Summary

Contains the songs and calls of 522 species, all the most common and vocal birds found in western North America. Organized as a companion to Roger Tory Peterson's Field Guide to Western Birds, 2nd ...

Contains the songs and calls of 522 species, all the most common and vocal birds found in western North America. Organized as a companion to Roger Tory Peterson's Field Guide to Western Birds, 2nd edition.

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