Species › Birds › Sooty Shearwater

Sooty Shearwater

Ardenna grisea

UncommonBird
Illustration of Sooty Shearwater (Ardenna grisea)

The Sooty Shearwater may be the most abundant seabird in the world, with a global population estimated at over 20 million birds. It makes one of the longest migrations ever tracked — a figure-eight circuit of the Pacific Ocean covering over 40,000 miles. In late summer, millions appear off both coasts of North America in enormous offshore flocks.

Habitat
Open ocean of the Pacific and Atlantic; breeds in the Southern Hemisphere
Diet
Fish, squid, and krill caught by diving
How common
Uncommon

Best time to see a Sooty Shearwater

The best time to see a Sooty Shearwater is May–August, when about 71% of U.S. sightings happen, based on 1,705 research-grade iNaturalist observations.

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Recent Sooty Shearwater sightings near you

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