Many birds fly non-stop for days or longer, but do they sleep in flight and if so, how? It is commonly assumed that flying birds maintain environmental awareness and aerodynamic control by sleeping with only one eye closed and one cerebral hemisphere at
Whether and how birds sleep during long-distance flights has remained a mystery. Here, Rattenborg and colleagues show for the first time that frigatebirds can sleep during flight, but do so in remarkably small amounts.
Sign in Video Ad Feedback Fact check finds 'no evidence' of Trump's claims about midair collision CNN's René Marsh fact checks President Trump's claims about the deadly midair collision near Reagan National Airport. 02:45 - Source: CNN World...
Sign in Video Ad Feedback Fact check finds 'no evidence' of Trump's claims about midair collision CNN's René Marsh fact checks President Trump's claims about the deadly midair collision near Reagan National Airport. 02:45 - Source: CNN World...