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Scientists have been attaching transmitters on the huge seagoing birds and are astonished by their ability to stay aloft.
These Birds Stay Airborne Without Landing for Two Months
Caribbean BirdWatch – BirdsCaribbean
Frigate Bird Flights Last Months
News & Features All About Birds
News & Features All About Birds
How Can Birds Sleep While They're Flying?
Snoflo
These remarkable frigate birds can fly without landing for months
Frigate birds sleep while they fly. They have an ability to turn off half
Birding Without Borders by Noah Strycker, Kenn Kaufman (Ebook
First evidence birds nap in flight without dropping out of sky
Nonstop Flight: How The Frigatebird Can Soar For Weeks Without
Take Note: Pennsylvania Native, Nature Writer On 'The Global
Caribbean BirdWatch – BirdsCaribbean