Nonstop Flight: How The Frigatebird Can Soar For Weeks Without Stopping : The Two-Way : NPR

Scientists have been attaching transmitters on the huge seagoing birds and are astonished by their ability to stay aloft.

How Do Birds Sleep During Migration? » Science ABC

These Birds Stay Airborne Without Landing for Two Months

These Masters of the Sky Can Fly for Hours (or Days) While Barely

News & Features All About Birds

Bird Flies From Alaska To Australia Without Stopping, Breaks World

Frigate birds spend months without landing

Frigate birds fly nonstop for months

Frigatebirds sleep in mid-flight, Science

Frigate birds' ability to fly nonstop explained

These remarkable frigate birds can fly without landing for months

Caribbean BirdWatch – BirdsCaribbean