Ornithologist Discusses Causes Of Bird Downings

Melissa Block speaks with Kevin McGowen, ornithologist at the Cornell Lab of Ornithology, about the phenomenon of bird downings. Approximately 1,500 migratory birds died on Monday night after crashing into a Wal-Mart parking lot in Utah.

Source: http://www.npr.org/2011/12/15/143795309/ornithologist-discusses-causes-of-bird-downings?ft=1&f=1007

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