  2010 - The Private Lives of Birds a Scientist Reveals the Intricacies of Avian Social Life (Hardcover) ISBN-13: 9780802717467 ISBN-10: 0802717462 Genres: Science & Math, Engineering & Transportation, Outdoors & Nature ?  2009 - Silence of the Songbirds (Paperback) → Paperback ISBN-13: 9780006395775 ISBN-10: 0006395775 Genre: Outdoors & Nature ?  2009 - Silence of the Songbirds (Paperback) → Paperback ISBN-13: 9780802716910 ISBN-10: 0802716911 Genres: Science & Math, Outdoors & Nature ?  2007 - Silence of the Songbirds How We Are Losing the World's Songbirds and What We Can Do to Save Them (Hardcover) → Hardcover ISBN-13: 9780802716095 ISBN-10: 0802716091 Genre: Outdoors & Nature 1  Silence of the Songbirds How We Are Losing the World's Songbirds and What We Can Do to Save Them (Hardcover) → Hardcover ISBN-13: 9780002007283 ISBN-10: 0002007282 Genre: Outdoors & Nature ?  |
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