What is the North American Breeding Bird Survey?

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What is the North American Breeding Bird Survey?

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The BBS is a large-scale survey of North American birds. It is a roadside survey, primarily covering the continental United States and southern Canada, although survey routes have recently been initiated in Alaska and northern Mexico. The BBS was started in 1966, and the over 3,500 routes are surveyed in June by experienced birders. The primary objective of the BBS has been the estimation of population change for songbirds. However, the data have many potential uses, and investigators have used the data to address a variety of research and management objectives. In the Home Page, we summarize results from the BBS, and supplement the results with pictures of birds and other species information.

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