Birds of North America Online (BNA)

Provides scientific information for birds nesting in the USA and Canada, with image and video galleries showing behaviors, habitat, nests, eggs and nestlings, recordings of bird’s songs and calls selected from the collection in Cornell’s Macaulay Library of Natural Sounds. Includes also an extensive bibliography for each species. Updated regularly. Browse by species by name (both common and scientific name) or taxonomy or search by species or keyword.

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Trial expires: Tuesday, December 31, 2013