How Do Birds Who Fly For Weeks At A Time Get Any Shut Eye?
Scientists have found a bird that can fly continuously for weeks at a time, sleeping in the air. What the heck is going on here?
Fecha: October 3, 2016 at 12:43PM
via Digg: http://digg.com/video/frigate-birds-no-sleep-how?utm_source=ifttt
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