The great frigate can stay aloft for 56 days by riding natural updrafts

The great frigate can stay aloft for 56 days by riding natural updrafts
Researchers who affixed trackers to the seabirds found that they could fly for 56 days straight. The birds' secret is that they are lightweight compared with the area of their wings, and they take advantage of updrafts over the Indian Ocean.

Article:
http://www.popularmechanics.com/science/animals/a21614/frigatebird-study-how-birds-fly/

Paper:
http://science.sciencemag.org/content/353/6294/74

#biodiversity   #birds   #science