58 items
Peterson field guide to birds of Western North America / Roger Tory Peterson ; with contributions from Michael DiGiorgio ... [et al.] ; [foreword by Lee Allen Peterson].
Peterson, Roger Tory, 1908-1996.
Format: Book
Format: Book
Common birds and their songs / Lang Elliott and Marie Read ; with photos and sound recording by the authors and others.
Elliott, Lang.
Format: Book + CD
Format: Book + CD
Birding by ear. Western [sound recording] : a guide to bird-song identification / Richard K. Walton & Robert W. Lawson.
Walton, Richard K.
Format: Audio Books
Format: Audio Books
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