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birding-aus
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| To: | Birding Aus <> |
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| Subject: | Harmonic Feathers |
| From: | L&L Knight <> |
| Date: | Sat, 14 Nov 2009 09:10:55 +1000 |
http://www.sciencedaily.com/releases/2009/11/091113123846.htm Resonating Feathers Produce Courtship Song In Rare BirdScienceDaily (Nov. 13, 2009) — Four years ago, a Cornell researcher reported a bizarre example of sexual selection in a rare South American bird: The male attracts the female by rubbing specialized wing feathers -- more than 100 cycles per second -- to create a high hum, similar to a sustained violin note.==============================www.birding-aus.org birding-aus.blogspot.com To unsubscribe from this mailing list, send the message: unsubscribe (in the body of the message, with no Subject line) to: ============================= |
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