Bulwer's Petrel

This very long-winged petrel is 25–29 cm (9.8–11.4 in) in length with a 78–90 cm (31–35 in) wingspan. It has mainly brown plumage and a long pointed tail. It has a buoyant twisting flight as it picks planktonic food items from the ocean surface.

The species has a wide distribution through tropical and subtropical regions of the Atlantic, Indian and Pacific oceans, it is a year-round resident in Cabo Verde, China, French Guiana, Indonesia, Japan, Malaysia, Mauritania, Morocco, Saint Helena, Ascension and Tristan da Cunha, Senegal and Taiwan, it breeds in the Macaronesian Islands and continental Portugal in the Atlantic; and from eastern China and the Bonin Islands, east to the Hawaiian Islands, the Marquesas Islands, the United States Minor Outlying Islands and Kiribati in the Pacific. It is marine and highly pelagic, usually found far from land except during the breeding season. This species has been sighted in Europe as a rare vagrant to Ireland, the Netherlands, France and Italy. It has also appeared as a vagrant in North America, with rare sightings far off the coast of both California and North Carolina and Australia.

Bulwer's petrel is highly pelagic, and rarely found near land (except during the breeding season). Its diet mainly consists of small fish (such as sardines) and squid, with some additional crustaceans (such as crabs, krill, and shrimp) and plankton.