Olive-backed Woodpecker
Gecinulus rafflesii
Medium-sized crested woodpecker with an olive-brown body and a black-and-white-striped head and neck; quite dull and dark for a flameback. Crest is bright red in males and black in females. Inhabits lowland and hill forests, where it forages both at middle levels and close to the ground, both singly and in pairs. Generally fairly uncommon and local. Gives cacophonous descending calls, often with a rasping quality.
识别特征
The olive-backed woodpecker has yellow-green upperparts and gray-olive underparts. The side of the head has two black and white stripes. The male has a large red crest, the female has a smaller black crest.
分类信息
The olive-backed woodpecker was described by the Irish zoologist Nicholas Aylward Vigors in 1830 from a specimen collected by Stamford Raffles. Vigors coined the binomial name Picus rafflesii, with the specific epithet chosen to honour the memory of Raffles. The type location is Sumatra. The species is now placed in the genus Dinopium that was introduced by the French polymath Constantine Samuel Rafinesque in 1814.<p>A large phylogenetic study of the woodpecker family Picidae published in 2017 found that the olive-backed woodpecker (Gecinulus rafflesii) is more closely related to the pale-headed woodpecker (Gecinulus grantia). It may, therefore, be more appropriately assigned to the genus Chloropicoides.<p>Two subspecies are recognised:
- 学名
- Gecinulus rafflesii
- 命名信息
- (Vigors, 1830)
- 目
- Piciformes
- 科
- Picidae
- 属
- Gecinulus
分布与栖息地
The olive-backed woodpecker has a wide range in Southeast Asia, occurring in Myanmar, Thailand, Malaysia, Singapore, Brunei, and Indonesia (on the islands of Borneo and Sumatra). Its natural habitats are subtropical or tropical moist lowland, mangrove and montane forests; the species avoids clearings and secondary forest.
- 迁徙
- Resident species
保护状况
Gecinulus rafflesii is threatened by illegal deforestation due to the development of palm oil plantations and the deliberate targeting of primary forest wood. These practices of deforestation even continue in protected areas. The total population of this bird is unknown but it is thought to be uncommon. It is currently classified as Near threatened by the IUCN.
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Pine Warbler
Setophaga pinus
A medium-sized, rather robust and long-tailed warbler, with a noticeably stout bill. Variable plumage, from bright adult males with extensive yellow throat to extremely dull grayish-brown immature females. Always look for two white wingbars, diffuse streaking on the sides of the breast, large bill, and long narrow tail with a shallow notch. Well-named: almost always found in pine trees throughout the year. In spring and summer, listen for loud musical trill (compare with Chipping Sparrow and Dark-eyed Junco). Occasionally visits feeders, especially for suet. A short-distance migrant, wintering entirely in the United States.
Chestnut-throated Spinetail
Synallaxis cherriei
Rather nondescript rufous bird with a long, spiky tail. The plumage is mostly chestnut with a dark brown rump, tail, and underparts. Found patchily in humid primary and second growth, usually in light gaps or in bamboo or vine tangles, where it typically forages near the ground. The song is a distinctive “prrrr-préét” of which the second note is higher. The similar Ruddy Spinetail has a black throat patch.
Long-billed Bush Warbler
Locustella major
Extremely rare, large, elongated brown warbler with a long slender bill. Fairly similar in appearance to West Himalayan, Chinese, Baikal, and Spotted Bush Warblers, but breeding ranges do not overlap. Like other bush warblers, typically very skulking and furtive, preferring to run instead of fly when threatened. Emerges onto small bushes to sing, producing a dull clicking that would underwhelm a grasshopper. Breeds in weedy and bushy slopes in open alpine and subalpine areas; wintering habitat poorly understood but presumed to be similar habitat at lower altitudes. Very few sightings in recent years.
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