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Old 10-02-2012, 07:16 PM   #1
The Bug Whisperer
 
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Join Date: Dec 2008
Location: Monroe County, WV, USA
Default For Hummingbirds, Itís Easy to Shift Into Reverse

"It would seem to take a lot of energy for a bird to move backward, but hummingbirds fly in reverse fairly often. Now a study reports that their backward flight is almost as efficient as their forward flight."

http://www.nytimes.com/2012/10/02/sc...ml?ref=science
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