Quote:
Originally Posted by swamp snorkler
I'm going to have to call BS on this.
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I thought that number seemed pretty high too... apparently there are about 100 Billion birds at any one time on Planet Earth... so 1% doesn't seem that high...
Here is another article saying the number of window collisions is around 1 Billion per year:
http://www.birdsandbuildings.org/faqs.html