Date: 2/2/13 1:44 pm
From: David Flynt (Arlington, VA) <dflyntemail...>
Subject: [MDBirding] Re: Lights Out DC urban bird strike monitoring program Fall 2012 results


It sounds like a very good program. I looked at their web site and at first I thought their graph on bird mortality due to building collisions was in error, and then I read the adjacent paragraph that says:

The U.S. Forest Service of the USDA estimates that 550 million birds die annually due to collisions with buildings

To put this in perspective,there the US population is roughly 315 million people.

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