Tuesday, May 03, 2011

How Hummingbirds Drink


Wired reports: [edited]

New high-speed videos of hummingbirds have overturned nearly two centuries of conventional wisdom on how they drink. Researchers previously thought tube-like channels in their tongues sucked up fluid by capillary action. But the new analysis shows that their tongues trap nectar by curling around it.
------------

No comments:

 
UA-60915116-2