Tropical shearwater
| Tropical shearwater | |
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| File:Pétrel de Barau .jpg | |
| Puffinus bailloni in Réunion | |
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P. bailloni
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| Binomial name | |
| Puffinus bailloni (Bonaparte, 1857)
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| Subspecies | |
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5, see text |
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The tropical shearwater (Puffinus bailloni) is a seabird in the Procellariidae family formerly considered conspecific with Audubon's shearwater (Puffinus lherminieri).[2]
Contents
Subspecies
There are five listed subspecies of the tropical shearwater:[2]
- P. b. nicolae – (Jouanin, 1971): breeds on islands in the northwest Indian Ocean.
- P. b. colstoni – (Shirihai & Christie, 1996): breeds in the Aldabra Islands in the Seychelles.
- P. b. bailloni – (Bonaparte, 1857): Mauritius, Réunion & Europa Island.
- P. b. dichrous – (Finsch & Hartlaub, 1867): Central Pacific islands.
- P. b. gunax – (Mathews, 1930): Vanuatu.
Range
The tropical shearwater is found in the tropical parts of the western Indian Ocean from east Africa to southern India and in similar regions of the Pacific from just to the southeast of Japan to French Polynesia.[3]
Population
The total population has not been definitively quantified. Subspecies P. b. dichrous is estimated to number 1,000–10,000 pairs on the Line Islands and 10,000–100,000 pairs on the Phoenix Islands, with the nominate subspecies thought to number 3,000–5,000 pairs on Reunion and fewer than 100 individuals on Europa (reviewed by Brooke 2004), though it is thought there are many more breeding colonies on other islands in the Pacific. The population seems to be stable.[4]
