ahlam1399
06-30-2016, 10:21 PM
Scientists have been attaching transmitters on the huge sea-going birds and are astonished by their ability to stay aloft.
أكثر... (http://www.npr.org/sections/thetwo-way/2016/06/30/484164544/**n-stop-flight-how-the-frigatebird-can-soar-for-months-without-stopping?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thetwo-way/2016/06/30/484164544/**n-stop-flight-how-the-frigatebird-can-soar-for-months-without-stopping?utm_medium=RSS&utm_campaign=news)