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Posted
02-Apr-2019 21:56
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06-Mar-2014
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From Science Daily and Guardian on 02-Apr-2019 21:56
Birds that produce faint chirps called flight calls during nighttime migration collide with illuminated buildings much more often than closely related species that don't produce such calls, according to a new analysis of a 40-year record of thousands of building collisions in the Midwest.
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