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Bulwer's Petrel
Bulweria bulwerii

Length eleven inches; wingspan 23 inches. A small, sooty brown petrel with a long tail, tapered when flying. Upper wing surface has a distinctive light brown band. Bill and legs are dark.

Bulwer's petrel have a fast, eratic flight and are regularly seen offshore of Oahu, often in the company of Wedge-tailed Shearwaters. Breeding occurs from April-October. As many as 300 pairs nest on the Offshore islands of Oahu including Manana, Moku lua, Popoi'a and Moku Manu. In the winter Bulwer's petrels disperse north and west of the Hawaiian islands.

The flight of this species is twisting and erratic with careening and swooping motion while remaining close to the water's surface. It is smaller , with a more erratic flight then dark shearwaters and petrels.



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