Fifty years on, the Breeding Bird Survey continues to produce new insights
Wednesday, July 26, 2017 - 09:32
in Biology & Nature
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.