Know Your Bird Sounds 
Subtitle: Yard, Garden, and City Birds/Including CD
Edition: Book & CD edition
Publisher: Nature Sound Studio
Published: May 1993
Language: eng
Format: Hardcover
Number of pages: 32
ISBN-13: 9781878194053
Subjects: Nature; Nature / Field Guide Books; Audio Adult: Other; Birds & Birdwatching - General
First sentence: Most of the bird sounds that we hear have evolved as communication signals that transfer useful information from one individual to others of the same species.