Birds of North America

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Detailed scientific information for each of the 716 species of birds nesting in the USA and Canada.The print version of BNA (18 volumes, 18,000 pages in total) was completed in 2002, a joint 10 year project of the American Ornithologists' Union, the Cornell Lab of Ornithology, and the Academy of Natural Sciences.  We have this set on our shelves.

Now as an online project of the Cornell Lab of Ornithology, BNA is a living resource. Contents are updated frequently, with online-coordinated contributions from researchers, citizen scientists, and designated reviewers and editors. In addition, BNA Online contains image and video galleries showing behaviors, habitat, nests, eggs and nestlings, and more. Each online species account contains recordings of that bird's songs and calls, selected from the extensive collection in Cornell's Macaulay Library of Natural Sounds. (From the website.)

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Look at the bottom of each page for a link to the article.