Trisha Shetty (Editor)

Bulwer's petrel

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Kingdom  Animalia
Family  Procellariidae
Scientific name  Bulweria bulwerii
Phylum  Chordata
Rank  Species
Order  Procellariiformes
Genus  Bulweria
Mass  99 g (Adult)
Higher classification  Bulweria
Bulwer's petrel nzbirdsonlineorgnzsitesallfiles1200186Bulwer
Conservation status  Least Concern (Population stable)
Similar  Bulweria, Bird, Band‑rumped storm petrel, Little shearwater, Cory's shearwater

Bulwer s petrel


Bulwer's petrel (Bulweria bulwerii) is a small petrel in the family Procellariidae, and is one of two species in the genus Bulweria (Bonaparte, 1843). This bird is named after the Scottish naturalist James Bulwer.

Contents

Bulwer's petrel Bulwer39s petrel New Zealand Birds Online

Bulwer s petrel 4th june 2012 madeira feeding


Description

Bulwer's petrel Oriental Bird Club Image Database Bulwer39s Petrel Bulweria bulwerii

This very long-winged petrel is 25–29 cm in length with a 78–90 cm 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.

Ecology

Bulwer's petrel Bulwer39s Petrel Bulweria bulwerii Index Gallery Wild Bird

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.

Distribution and habitat

Bulwer's petrel Bulwer39s Petrel Bulweria bulwerii in Madeira Portugal

The species breeds in the north Atlantic in colonies on islands in the Cape Verde Islands, Azores, Canary Islands and Madeira groups, and across the north Pacific from east of China to Hawaii. After breeding, birds disperse to spend the rest of the year at sea, mainly in tropical waters worldwide. This species has been sighted in Europe as a rare vagrant to Ireland, Great Britain, Portugal and the Netherlands. It has also appeared as a vagrant in North America, with rare sightings far off the coast of both California and North Carolina.

Breeding

Bulwer's petrel Oriental Bird Club Image Database Bulwer39s Petrel Bulweria bulwerii

Breeding pairs form colonies of 7,000-9,000 pairs during the breeding season. The breeding season for Bulwer's petrel starts in April and May. Nests are built in burrows, vegetation, cliff caves/crevices, and under man-made debris and onshore driftwood.

Bulwer's petrel MadeiraWind Birds Zino39s Petrel Expedition
Bulwer's petrel

References

Bulwer's petrel Wikipedia


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