Dusky Antbird
Cercomacroides tyrannina
This skulking species lives in humid tropical lowlands, favoring thickets and tangles at forest edges and along streams. Often heard song of piping whistles usually reveals the presence of Dusky Antbirds, which usually occur in pairs but are difficult to see clearly. Male is slaty gray overall with narrow whitish wingbars. Female has a rusty “blank” face and rusty underparts.
分类信息
The dusky antbird was described by the English zoologist Philip Sclater in 1855 and given the binomial name Pyriglena tyrannina. The species was subsequently placed in the genus Cercomacra but a molecular phylogenetic study published in 2014 found that Cercomacra, as then defined, was polyphyletic. The genus was split to create two monophyletic genera and six species including the dusky antbird were moved to the newly erected genus Cercomacroides.
- 学名
- Cercomacroides tyrannina
- 命名信息
- (Sclater, PL, 1855)
- 目
- Passeriformes
- 科
- Thamnophilidae
- 属
- Cercomacroides
分布与栖息地
This is a common bird in the understory thickets of wet forest, especially at edges and clearings, and in adjacent tall second growth. The female lays two reddish-brown-spotted white eggs, which are incubated by both sexes, in a small, deep, plant fibre and dead leaf cup nest, which is suspended from the fork of a thin branch or vine low in a tree. The male and female parents both feed the chicks.<p>The dusky antbird is typically 14.5 cm long, and weighs 18 g. The adult male is mainly blackish-grey above and paler grey below, with two white wing bars. The female has brown upperparts and rufous-cinnamon underparts. Young birds, especially males, are darker than the adults. Exact plumage shades vary geographically, since there are a number of subspecies of this antbird.<p>This species has a whistled kick call, and the song is a duet, the male's ascending whistle pu pu pe pi pi answered by the female's softer, jerky juu-ut juu-ut juu-ut juu-ut juu-ut .<p>The dusky antbird is normally found as pairs throughout the year and does not join mixed-species feeding flocks. It feeds on insects and other arthropods taken from twigs and foliage in thickets or vine tangles. It is easier to hear than see in its dense habitat.
- 迁徙
- Resident species
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Cinnamon Woodpecker
Celeus loricatus
One of several species of mostly rufous woodpeckers with a crest. On Cinnamon, look for pale off-white belly with black scaling, and uniformly rufous head and back. Sexes mostly similar; male has red mustache stripe. Mainly a forest bird, found singly or in pairs, usually at middle levels or in the canopy. Listen for series of loud breathy whistles descending in pitch, similar to several other species in this genus.
Rüppell's Robin-Chat
Cossypha semirufa
A colorful robin-chat of montane habitats. The head is strikingly patterned, with a black cap and cheek, a white eyebrow, and an orange throat. The tail has a black center and broad orange sides that can be conspicuous in flight. Found in the dense understory of montane forest and in lush woodlands and gardens, usually in pairs. Very similar to White-browed Robin-Chat, but generally found at higher elevations and in more forested environments. Also separated by a different and far more variable song, and by the black rather than greenish center to the tail. The song is complex, variable, and musical, and can include imitations of other birds. Frequently gives a distinctive sequence of whistles in a high-low-high-low pattern.
Campbell's Fairywren
Chenorhamphus campbelli
A small, little-known bird limited to lowland and foothill treefall gap regrowth in southwestern Papua New Guinea. Underparts and long, thick eyebrow pale blue. Back, wings and tail, brown. Prominent black eye-stripe, mustache stripe and crown stripe. Forages in pairs or small groups in dense undergrowth with rattans or sago. Does not co-occur with the similar Broad-billed Fairywren. Voice a reeling song of high-pitched notes.
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