[wisb] BBC Singing birds help with headcount
- From: "Sommer, Joan" <joan.sommer@xxxxxxxxxxxxx>
- To: wis birdn <wisbirdn@xxxxxxxxxxxxx>
- Date: Tue, 1 Dec 2009 09:44:40 -0600
Interesting article.
** Singing birds help with headcount **
The chirps and whistles of birdsong can help to provide an accurate estimate of
the size of bird populations.
< http://news.bbc.co.uk/go/em/fr/-/2/hi/science/nature/8381673.stm >
Joan Sommer
Fredonia
N. Ozaukee County
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