White-headed Petrel
Pterodroma lessonii
A large gadfly petrel with a pale white head and a distinctive dark eye-patch. Back is pale gray with darker outer wings, creating an “M” shape on the back. Look for stout black bill and pinkish-colored feet. Breed on Antipodes and Auckland Islands in the New Zealand region and also on subantarctic Indian Ocean and Macquarie Islands. Forages between the subantarctic and Antarctic convergence zones. Three similar species: Soft-plumaged Petrel is smaller with gray-brown head and band on upper breast; Gray Petrel is larger with a smaller, darker head, a pale green bill, and a long neck; and pale morph Kermadec Petrel is smaller, lacks an eye patch, has darker upperparts, and shows white patches under the wing.
识别特征
The white-headed petrel distinct with a pale white head and prominent dark eye patch. It has long narrow wings and long pointed tail. The upper surface is pale grey which is contrasting with darker grey on the upper wings and the rump. The underside is mostly white. The bill is stout black with a large sharp hook. Green glands are prominent. The legs are pinkish to whitish with black patches on the toes.
分类信息
- 学名
- Pterodroma lessonii
- 命名信息
- (Garnot, 1826)
- 目
- Procellariiformes
- 科
- Procellariidae
- 属
- Pterodroma
分布与栖息地
- 繁殖区
- SO : subantarctic islands of South Indian and South Pacific oceans, from Crozet (sw Indian Ocean) to Antipodes (se of Stewart I.) and Auckland is. (s of South I.; New Zealand)
- 非繁殖区
- to waters of s South America, s Africa, s Australasia and Antarctica
- 迁徙
- Complete migrants
保护状况
- 种群趋势
- declining
照片
分布
其他鸟类
Orinocan Saltator
Saltator orenocensis
A beautiful and colorful grosbeak-like bird with slate gray upperparts, black mask and bill, immaculate white eyebrow and throat, and rich salmon-buff underparts. Sexes similar. Fairly common, in pairs or small groups foraging for fruits and flowers, as well as insects. Mostly in dry regions with bushes and scattered trees, gallery forest edges and savanna. Loud and melodic song with three variants, often given in duet. Found only in Colombia and Venezuela.
Blue Whistling-Thrush
Myophonus caeruleus
Large, found along streams in forested hills and mountains. Dark purple with tiny silvery spots on head, back, and wings. Bill color varies with range: dark in central and eastern China and parts of mainland Southeast Asia, bright yellow in populations elsewhere. Frequently fans tail while standing on an exposed perch such as a waterside rock or overhanging branch. True to its name, it does whistle: a long piercing note that carries well over the sound of rushing water.
Green-backed Twinspot
Mandingoa nitidula
Small, chunky, dark green waxbill with bright white “twin spots” across the black belly. The male has a red face, and the female a yellowish one. Found in and around forest, where it prefers dense tangles and openings with seeding grass. Distinctive call is a short, high trill, often given in flight. The rarely heard song is a complex mix of many different call types. Superficially similar to Green-winged Pytilia, but smaller, prefers forest rather than savanna habitat, and does not have a red tail.
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