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ScienceDaily

Fifty years on, the Breeding Bird Survey continues to produce new insights

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In 1966, a US Fish and Wildlife Service biologist named Chan Robbins launched an international program designed to measure changes in bird populations using volunteers recruited to count birds on pre-set routes along country roads. The result, the North American Breeding Bird Survey or BBS, is still going strong more than five decades later.tqgWWnXxMw8

 

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