It feeds on water surface. Also feeds by swooping down and picking food from at or near sea surface. These birds feed at night. They catch flying fish in the air.
The flight is strong, direct and powerful, with rigid wings. Usually flies near the water surface.
Social and interspecific behavior
It forms large flocks at sea, mixing with other seabirds over good schools of fishes. Outside the breeding season, wander widely in the seas. Not a good diver, not long remains resting in the water. Individuals up to 32 years old have been reported.