[SBB] FYI: bird sensors and migration.

["Chuq Von Rospach" <[[email protected]]>]

Sort of off topic, but too interesting to ignore... they've found what
may be the source of some bird's ability to navigate; magnetic
"sensors" in the beak that seem to help a bird sense magnetic fields
in flight.

http://www.birdchick.com/2007/03/birds-have-beak-sensors.html

-- 
Chuq Von Rospach
([[email protected]]; http://chuqui.typepad.com)

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