White-browed Foliage-gleaner
Anabacerthia amaurotis
Medium-sized foliage-gleaner with a dark brown cap and mask contrasting with a creamy eyebrow. Rufous above and buff below with streaks on the breast and neck. Found in the understory of humid forests and old second growth, usually accompanying mixed-species flocks.
识别特征
The white-browed foliage-gleaner is 15 to 16 cm (5.9 to 6.3 in) long. It is a medium-sized furnariid with a wedge-shaped bill. The sexes have the same plumage. Adults have a wide buff-white supercilium, a dark brown band behind the eye, and an indistinct brown "moustache" on an otherwise lightly flecked and streaked, light buff, face. Their crown is brown with black-edged white feathers at the center of the back, and they have a narrow pale buff collar that extends onto the side of their neck. Their back is rich medium brown, their rump a slightly paler brown, and their uppertail coverts rufous. Their tail is rufous with bare shafts at the very end of the feathers. Their wings are rich medium brown with darker brown primary coverts. Their throat is creamy whitish, their breast light brown with wide but blurry pale buff streaks, their belly unstreaked light brown, and their flanks and undertail coverts slightly darker brown with a rufescent tinge. Their iris is dark brown, their bill pale horn with some pale gray, and their legs and feet brownish cream to cream-tinged olive.
分类信息
The white-browed foliage-gleaner was previously included in genus Philydor but a 2011 paper made it plain that it did not belong there. The same paper found the ochre-breasted foliage-gleaner (A. lichtensteini) and the white-browed to be sister species.<p>The white-browed foliage gleaner is monotypic.
- 学名
- Anabacerthia amaurotis
- 命名信息
- (Temminck, 1823)
- 目
- Passeriformes
- 科
- Furnariidae
- 属
- Anabacerthia
分布与栖息地
- 迁徙
- Resident species
行为
The white-browed foliage-gleaner is a year-round resident throughout its range.<p>The white-browed foliage-gleaner feeds on adult and larval arthropods. It usually forages as part of mixed-species feeding flocks, and usually in the forest's understory though it will feed as high as the subcanopy. It acrobatically gleans, probes, and pecks for its prey in dead leaves, debris, and branches. It occasionally will sally a short distance from a perch to capture prey.<p>Nothing is known about the white-browed foliage-gleaner's breeding biology.<p>The white-browed foliage-gleaner's song is "a short, accelerated, ascending and descending series of very/ext. high 'seep' notes". Its call is an "extr. high, thin 'steep tseep seepseep -' ".
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Crested Pigeon
Ocyphaps lophotes
A common gray pigeon that is easily identified by the long pointed crest on the top of its head. Mostly pale gray with bright iridescence on wings. Feeds only on the ground. Takes flight with noisy wing-claps, and in flight has a wing-whistle which makes it sound like a wind-up toy. Common in open habitats and is often present in suburban areas.
Banded Prinia
Prinia bairdii
Distinctive and unusual prinia with heavily barred underparts. The mountain-dwelling birds in the eastern part of the range show a dark throat, while in the rest of the range, the throat is barred like the rest of the underparts. Note the white wingbars and spotting under the tail. Skulks in the undergrowth of forest, mostly around clearings and edges. Usually in pairs. The song is a series of mettalic “plink” notes.
Yellow-green Tyrannulet
Phylloscartes flavovirens
A small flycatcher with a small range in eastern Panama and barely into Colombia. Look for a combination of bright yellowish-olive underparts with bold yellow wingbars and a white eyering. Rather slender overall with a long tail and a narrow bill. Sexes alike. Occurs in foothill forest from around 900–2,000 m, where singles or pairs are often found following mixed-species flocks in the canopy. Listen for high-pitched sputtering calls.
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