What Buildings Cause Most Deaths?

The Answer — Option 2 !! see below- source follows

ABSTRACT

“Bird–building collisions in the United States: Estimates of annual mortality and species vulnerability”,  Condor, Volume 116, 2014,

Based on 23 studies, we estimate that between 365 and 988 million birds (median ¼ 599 million) are killed annually by building collisions in the U.S., with roughly 56% of mortality at low-rises, 44% at residences, and <1% at high-rises.

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Published by birdfriendlyyards

I am dedicated to helping birds. I concentrate on making sure they have enough to eat -- and thus promote native plants, and making sure our yards are safe for them -- and thus promote the use of systems to protect birds against deadly window strikes. I worked for national environmental organizations, in the U. S Senate as Chief Counsel of the Senate Agriculture Committee and as a policy adviser in a presidential campaign.

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