MacGillivray's Prion
Pachyptila macgillivrayi
A pale powder-blue-and-white seabird with a faint grayish dark “M” across the upperwings. Note the dark blue “thumb mark” collar, the blue eye-stripe, the white eyebrow, the white throat, and the grayish cap. Restricted to two known breeding islands, Saint Paul in the South Indian Ocean, and Gough in the South Atlantic. Almost identical to Antarctic Prion, but bulkier and more heavy-chested, with a slightly wider bill. All but inseparable from Salvin’s Prion, with which it shares the breeding island of Gough, and with which it was once considered one species; MacGillivray’s is incrementally broader-billed, but birds seen at sea may not be identifiable.
分类信息
- 学名
- Pachyptila macgillivrayi
- 命名信息
- (Mathews, 1912)
- 目
- Procellariiformes
- 科
- Procellariidae
- 属
- Pachyptila
分布与栖息地
- 迁徙
- Complete migrants
保护状况
- 种群趋势
- declining
照片
分布
其他鸟类
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Ketupa blakistoni
Massive pale brown owl with plump, rounded ear tufts. An endangered species, found in mature boreal forests near streams where there are tree cavities suitable for nesting. Preys mostly on fish. Distinguished from Eurasian Eagle-Owl by absence of broad black streaks on breast and rounder, thicker ear tufts that are not held erect. Deep, resonant song, given in duet by pair. Duet consists of three notes, with the first two notes from a male and a third from a female. The lower-pitched female note partially overlaps with the second male note.
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Belcher's Gull
Larus belcheri
Rather large, dark-backed gull along the Humboldt Current coast. Fairly common to locally common, favoring fishing harbors, beaches, and river mouths; ranges over inshore coastal waters and not found inland. All ages have a broad, clean-cut black tail band and a red-and-black bill tip. Breeding adult has clean white head and lacks the white spots in wingtip seen on the larger and bulkier Kelp Gull. Immature and nonbreeding plumages have a distinctive dark hood and yellowish legs.
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