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A photo of a Wilson's Storm Petrel (Oceanites oceanicus)
Wilson's Storm Petrel

Wilson's Storm Petrel

Oceanites oceanicus

Wilson's storm petrel (Oceanites oceanicus), also known as Wilson's petrel, is a small seabird of the austral storm petrel family Oceanitidae. It is one of the most abundant bird species in the world and has a circumpolar distribution mainly in the seas of the southern hemisphere but extending northwards during the summer of the northern hemisphere. The world population was estimated in 2022 as stable at 8 to 20 million birds. In 2010 it had been estimated at 12-30 million. Wilson's storm petrel is a small bird, 16–18.5 cm (6.3–7.3 in) in length. It is slightly larger than the European storm petrel and is essentially dark brown in all plumages, except for the white rump and flanks. The feet extend just beyond the square ended tail in flight. The European storm petrel has a very distinct whitish lining to the underwing and a nearly all dark upperwing. Wilson's storm petrel has a diffuse pale band along the upper wing coverts and lacks the distinctive white underwing lining. The webbing between the toes is yellow with black spots in pre-breeding age individuals.
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Wilson's Storm Petrels on Birda

Photos

Sightings

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Aart Verrips
Saturday 29 Apr 2023 - 8:13am
South Africa
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Bill Artigliere
Tuesday 25 Apr 2023 - 10:02am
Seychelles
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Cameron Thompson
Tuesday 28 Feb 2023 - 11:31pm
United States
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Zac Peterson
Monday 17 Oct 2022 - 12:50pm
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