The North American Breeding Bird Survey Home Page

http://www.im.nbs.gov/bbs

The North American Breeding Bird Survey Home Page is a repository for information about the counts of breeding birds taken in North America during June and May. Here you will find detailed information about the counts, as well as fine maps, graphs, and indices of North American bird populations; you will also find pictures of North American birds, and audio clips of North American bird songs. A lively addition to this page is its Bird Identification Quizzes, which change every hour and are both difficult and fascinating.

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