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The black-winged petrel is a small species of petrel with long, narrow wings. Its length averages 29 centimetres (11 in) and its wingspan averages 67 centimetres (26 in). It has a small head and short black beak, a slender body and square-cut tail. It has a pale grey cap and nape, white cheeks and a dark grey collar. The dorsal surface of the body is pale grey and the upperside of the wings is pale grey near the base but dark greyish-black along the outer edge. The underparts are white and the outer edges of the wings are black. The tail is barred in black and white.
Text from Wikipedia, licensed CC BY-SA 4.0.
When to see the Black-winged Petrel
One bar for each month. Filled bars are the 7 months with records; pale bars are months with none. The wide bar is March, the month with the most records.
Where to see the Black-winged Petrel
The map shades 12 countries with regular records, and 3 more in a lighter tone where the bird turns up only as a stray. Everything unshaded has no records. Countries are listed below the map.
Recorded as a rare visitor in United States, Chile, Japan.
About the Black-winged Petrel
The black-winged petrel is a species of seabird in the family Procellariidae. It breeds on a number of oceanic islands in the tropical and subtropical East Pacific Ocean and spends the rest of the year at sea.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
Easily confused with
Juan Fernandez PetrelPterodroma externaThe Juan Fernández petrel is a large species of gadfly petrel, 43 cm (17 in) long with a wingspan of 95–97 cm (37–38 in) and a mass of 500 g (1.1 lb).
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