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.
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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.
Where the Black-winged Petrel lives
Recorded as a rare visitor in United States, Chile, Japan.
When to see the Black-winged Petrel
Peak activity in March · a variable species across most of its range
Easily confused with
Kermadec PetrelPterodroma neglectaThe Kermadec petrel is a species of gadfly petrel in the family Procellariidae.
Murphy's PetrelPterodroma ultimaMurphy's petrel is a species of seabird and a member of the gadfly petrels.
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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