Slender-billed Finch
Xenospingus concolor
Long-tailed, often rather skulking “finch” (actually a tanager) of scrub, hedges, and riverside thickets in desert lowlands, where no very similar species are found. Adult blue-gray overall with slender, bright yellow bill, and yellow legs; tail often held cocked. Immature looks very different: streaky overall with white eyering and slender yellow bill (darker on youngest birds). Voice notably varied: chips, clucks, and chatters usually given from cover.
分类信息
The slender-billed finch was formally described in 1837 by the French naturalists Alcide d'Orbigny and Frédéric de Lafresnaye under the binomial name Sylvia concolor. They specified the type location as the city of Arica which was then in Peru and is now in northern Chile. The slender-billed finch is the only species placed in the genus Xenospingus that was introduced by the German ornithologist Jean Cabanis in 1867. The genus name combines the Ancient Greek xenos meaning 'strange' or 'different' with spingos meaning 'finch'. The specific epithet concolor is Latin for 'uniform', 'similar in colour' or 'plain'. The species is monotypic: no subspecies are recognised.<p>A molecular phylogenetic study of the tanagers published in 2014 found that the slender-billed finch was a member of the subfamily Poospizinae and was most closely related to the cinereous finch (Piezorina cinerea).
- 学名
- Xenospingus concolor
- 命名信息
- (d'Orbigny & Lafresnaye, 1837)
- 目
- Passeriformes
- 科
- Thraupidae
- 属
- Xenospingus
分布与栖息地
- 迁徙
- Resident species
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类

Saturnine Antshrike
Thamnomanes saturninus
Fairly small antshrike. Males are dark gray with a black throat. Females are tinged brown above and tawny below with a contrasting whitish throat. Found in the understory of lowland humid forest. Often leads mixed-species flocks; occasionally attends army-ant swarms. Sings a series of gradually ascending notes that ends with a harsh final note. Similar to Cinereous Antshrike, which can occur in the same flocks, but differs in throat color and in song.

Rufous-tailed Fantail
Rhipidura phoenicura
A unique Javan endemic, this species’ namesake rufous tail sets it apart from the other two fantails on the island. Also note white throat and “angry” eyebrows. An active inhabitant of foothill and montane forests, often moving with mixed flocks in tangled vegetation in the lower nad middle levels of forest. Song is a comical squeaky series of up-and-down notes. Call is a dry “chrit.”

Negros Jungle Flycatcher
Vauriella albigularis
A rare, medium-sized drab bird of lowland and foothill forest understory on Negros and Panay. Fairly large for a flycatcher. Dark brown above and on the chest, with a white throat and belly. Very similar to White-vented Whistler, but Negros Jungle-Flycatcher has a thinner bill and duller brown upperparts. Song is a descending sequence of high-pitched metallic notes, sometimes rising again at the end.
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