Silvery-throated Spinetail
Synallaxis subpudica
A typical-looking spinetail with a very restricted range in central Colombia. Gray-brown overall with a rusty or rufous crown and wings, and a long, spiky grayish tail. Throat looks dark, not silvery. Fairly common in forests, edges, and thickets from around 2,000 to 3,200 m. Skulking and fairly difficult to see. Compare with Azara’s Spinetail, which has a rufous tail. Listen for long descending chatters and chip calls.
识别特征
The silvery-throated spinetail is 17 to 19 cm (6.7 to 7.5 in) long. The sexes have the same plumage. Adults have a thin light cinnamon supercilium on an otherwise grayish brown face. Their forecrown is grayish brown, their hindcrown and nape rufous-chestnut, and their back, rump, and uppertail coverts brown. Their wing coverts and base of their flight feathers are chestnut and the rest of the flight feathers are brown. Their tail is a slightly darker brown than the back; it is very long and the feathers lack barbs at their tips, giving a spiny appearance. Their throat is gray with faint darker mottling and a blackish center. Their underparts are dull grayish brown with an olive tinge; it is lighter on the belly. Their iris is dark reddish brown, their maxilla blackish gray, their mandible gray, and their legs and feet gray. Juveniles have a gray crown.
分类信息
The silvery-throated spinetail is monotypic.
- 学名
- Synallaxis subpudica
- 命名信息
- Sclater, PL, 1874
- 目
- Passeriformes
- 科
- Furnariidae
- 属
- Synallaxis
分布与栖息地
The silvery-throated spinetail is found in Colombia's Eastern Andes from northern Boyacá Department north into Santander Department. It primarily inhabits the edges of montane evergreen forest, both primary and secondary, and second-growth scrublands. It also occurs in the undergrowth at the edge of cloudforest and in forest clearings that are regrowing. In elevation it mostly ranges between 2,100 and 3,200 m (6,900 and 10,500 ft) but is found as low as 1,300 m (4,300 ft).
- 迁徙
- Resident species
行为
Migration pattern: Resident species.
保护状况
Population trend: stable.
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Yellow-throated Cuckoo
Chrysococcyx flavigularis
A small green-backed forest cuckoo of West and Central Africa. Males have a distinctive bright yellow throat and a brown-and-black barred belly, while females lack the yellow throat and have a brown-and-black barred face, throat, and breast. Can be located by its distinctive song, which is a series of up to 10 or more rapidly delivered clear whistles that speed up before quickly fading. Alternate call is an often overlooked “dwuit-tew” or “wait here.” Usually outnumbered by African Emerald Cuckoo, in which males have yellow bellies and green heads and females have more of a black-and-white barred appearance.
D'Arnaud's Barbet
Trachyphonus darnaudii
A big, conspicuous, colorful barbet with a yellow face and breast that are speckled with black, and a red undertail. There is considerable geographical variation in the amount of black on the crown, throat, and breast band and in the color of the belly, which can be yellow or white. Found on and near the ground in savanna habitats with termite mounds, usually in pairs and small groups. The song is a phrase of three or four notes repeated over and over, often given as a duet. Separated from Yellow-breasted Barbet by the heavily speckled face, and from Red-and-yellow Barbet by the lack of red on the head.
Limpkin
Aramus guarauna
Large heronlike bird, reminiscent of a gangly ibis but more closely related to rails. Brown with white spots and streaks, densest on the head and neck. Long yellowish bill is slightly decurved. Found in marshes or swamps, often with trees and shrubs, but also regularly seen at the edges of ponds in otherwise highly managed city parks. Feeds almost exclusively on apple snails. Usually single or in pairs. Distinctive voice is a loud, creaky wail, often heard as an eerie jungle sound effect in films.
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