October
15th 2010
Bird deaths from collisions: shocking numbers

Posted under birds (general) & science

Golden Gate Audubon Society just put up an information page about how many birds are killed in collisions. The uncertainties are pretty high, but even the low-end estimates are huge: at least 100 million birds per year killed in collisions with windows, for example.  A lot of these happen one collision at a time — a bird gets hit by a car, or runs into a window that it doesn’t realize is there.  But sometimes there are horrific mass-kill incidents, when huge flocks of birds get confused by radio tower lights and fly in circles around them, with birds running into the guy wires at every circuit and falling to the ground with wings broken.  There are known things that can be done to reduce all of these causes of mortality, if we can get people to care.

One Response to “Bird deaths from collisions: shocking numbers”

  1. Ben Carlsen on 19 Oct 2010 at 11:12 am #

    Hey, this is a really nice blog, I love all the information and wonderful pictures you put into it. I know you must spend a lot of time on it.. Thanks for that. I was also wondering if maybe you could help a fellow bird lover out.. I have started trying to make a webcomic about birds..

    http://thebird-feeder.com/

    maybe you could tell me what you think? I am trying to make it both realistic and silly and funny at the same time. So any comments or suggestions you might have for me would be very helpful.. thanks a bunch in advance.. even if you just look at it and don’t comment. :D

    ==Ben Carlsen

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