Download or read book Birds at Your Feeder written by Erica H. Dunn and published by W. W. Norton & Company. This book was released on 2001 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summarizing data from Project FeederWatch, a continent-wide survey sponsored by Cornell Laboratory of Ornithology, Bird Studies Canada, National Audubon Society, and the Canadian Nature Federation.