| Subject: | Re: Hummingbird 'uses tail to chirp' |
|---|---|
| From: | "David Ellsworth" davidells |
| Date: | Wed Jan 30, 2008 2:02 pm ((PST)) |
At 2008-01-30 05:27, Jim Morgan wrote: >Picked this up on the BBC this morning... > >Jim > ><http://news.bbc.co.uk/2/hi/science/nature/7216230.stm>http://news.bbc.co.= uk/2/hi/science/nature/7216230.stm Thanks for the link, Jim! Quite a coincidence that Doug was inquiring into this just 4 days earlier. Unfortunately this news article does not describe how the scientists deduced from the fact that the hummingbird spread his tail that the tail was vibrating in the right way to create the sound. It's not at all clear to me that the hummingbird wasn't simply spreading his tail as a flight manuever, to swerve out of the dive. Can anyone shed light on t= his? Is there any way to read the Proceedings of the Royal Society B journal onl= ine? David |
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