[Tweeters] How hummingbirds make sounds
rmcclsky at mindspring.com
Tue Sep 13 21:26:05 PDT 2011
There is a great video on science.com showing how hummingbirds make the sounds they do when diving.
Find the video here: http://video.sciencemag.org/News
Explanation here: http://news.sciencemag.org/sciencenow/2011/09/dive-bombing-hummingbirds-let-th.html
Not sure if you will have to sign up for the free membership to view them or not.
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