Uniform Treehunter

Thripadectes ignobilis

Medium-sized brownish bird of the lower subtropical zone in the western Andes of Colombia and Ecuador. Plain dark brown with much less streaking than other treehunters; only shows a slightly paler eyebrow and some streaking on the throat. Typically found at lower elevations than other treehunters in range, but some overlap. Western Woodhaunter is found at similar elevations but has a longer, narrower bill and a paler buffy throat. Singles or pairs follow mixed-species flocks through the understory, where they can be skulky and difficult to see. Listen for the song: a slow series of 5-10 squeaky notes.

识别特征

The uniform treehunter is 19 to 20 cm (7.5 to 7.9 in) long and weighs between 48 and 51 g (1.7 and 1.8 oz). It is the smallest, darkest, and shortest-billed member of its genus. The sexes have the same plumage. Adults have a vague narrow supercilium and wide eyering that are dull tawny-rufous, blackish brown lores grizzled with pale buff, blackish ear coverts with narrow ochraceous-buff streaks, and a dark brown malar area with lighter blurry streaks and spots. Their crown is dark brown with vague pale spots on the forehead. Their back and rump are slightly paler and redder than the crown. Their wings and tail are rich dark reddish brown. Their throat is dull dark buff with wide blurry darker streaks, their breast and belly rich dark brown with narrow buff streaks that disappear to the rear, their flanks dark reddish brown, and their undertail coverts a paler reddish brown. Their iris is dark brown, their maxilla dark brownish, their mandible blackish with a reddish horn base to dusky yellow with a dark tip, and their legs and feet greenish brown.

分类信息

The uniform treehunter is a sister species of the flammulated treehunter (T. flammulatus) and Peruvian treehunter (T. scrutator). It is monotypic.

学名
Thripadectes ignobilis
命名信息
(Sclater, PL & Salvin, 1879)
Passeriformes
Furnariidae
Thripadectes

分布与栖息地

The uniform treehunter is found on the Pacific slope of the Andes from Colombia's Western Andes in Chocó Department south through Ecuador to El Oro Province. It inhabits montane evergreen forest and also secondary forest in the subtropical and foothill zones. In elevation it mostly ranges between 500 and 2,500 m (1,600 and 8,200 ft) in Colombia and between 1,000 and 1,700 m (3,300 and 5,600 ft) in Ecuador. In both countries it occurs locally down to 500 m (1,600 ft) and in Ecuador locally up to 2,500 m (8,200 ft).

迁徙
Resident species

行为

The uniform treehunter is a year-round resident throughout its range.<p>The uniform treehunter feeds on arthropods. It usually forages singly and often in mixed-species feeding flocks. It mostly forages in dense undergrowth but regularly will do so up to the forest's mid-story and above. It forages along branches to glean prey from them, debris, and dead leaves.<p>The uniform treehunter's nesting season has not been fully described but spans at least June to September. It is thought to be monogamous. It nests in a tunnel in an earthen bank. Nothing else is known about its breeding biology.<p>The uniform treehunter's song is a rather high-pitched "series of 6-8 sharp 'kik' or 'kyip' notes".

保护状况

种群趋势
stable

照片

分布

鸟叫声

其他鸟类

Band-tailed Earthcreeper

Band-tailed Earthcreeper

Ochetorhynchus phoenicurus

Distinctive little bird of shrub-steppe in Patagonia, sometimes seen in rather open and overgrazed areas with only a few bushes, in which its bulky stick nest is built. Found singly or pairs, usually running well on the ground with tail cocked up or perched on a bush. As well as shape and behavior, note the narrow whitish eyebrow, streaky breast, and black tail with a dark rusty band at the base.

Bimaculated Lark

Bimaculated Lark

Melanocorypha bimaculata

Chunky ground-dwelling songbird with large-headed, short-tailed profile, found in arid open areas such as deserts and steppe. Readily confused with other large larks, but look for the bulky, dark-tipped bill, rounded ear patch, and a black band below the throat with a break in the middle. Calandra Lark is similar but shows a bright white edge to the trailing edge of the wing and blackish underwings in flight. Song is a long series of grating warbles, whistles, and twitters. Calls are buzzy and rather deep.

Citron-bellied Attila

Citron-bellied Attila

Attila citriniventris

Relatively large chestnut flycatcher with a gray hood. Found in the interior and at the edge of humid forests, foraging mostly in the midstory, occasionally accompanying mixed-species flocks. The song is an ascending and descending series of 4-6 whistles. The similar migratory Rufous-tailed Attila has a darker gray head and cinnamon-rufous (not white) throat, and Bright-rumped Attila has distinctive wingbars, a bright yellow rump, and a streaked breast.

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