White-bellied Erpornis

Erpornis zantholeuca

Small, crested, yuhina-like bird, frequently seen as a part of mixed flocks in a wide range of forested habitats. Upperparts yellowish green, underparts dingy gray except for yellow undertail coverts and whitish throat. Forages mostly in the upper layers of vegetation, from which its loud “nay nay” call is often heard.

识别特征

In its coloration, morphology and acrobatic habits, this bird resembles a vireo quite a lot. However, it has a prominent crest like many yuhinas, which together with the unusual biogeography has served to obscure its true relationships for a long time. The crested head, back, wings and tail of this bird are olivaceous or golden brown while the underparts are white.<p>Erpornis possesses well-developed musculature for gaping or opening the bill forcefully and may use this to pry bark from trees to seek insects.

分类信息

Formerly placed in Yuhina and often still misleadingly called "white-bellied yuhina", it is the most distinct member of this "genus" in its obsolete paraphyletic delimitation. It is by no means closely related to the Timaliidae (Old World babblers), where most of the former members of Yuhina are still placed. The Timaliidae are members of the superfamily Sylvioidea in infraorder Passeri, whereas the erpornis is the closest relative of the vireos (Vireonidae), which are a more ancient lineage of songbirds. Indeed, it now is usually included in the Vireonidae as one of their few Old World representatives.<p>Several subspecies are recognised: E. z zantholeuca, E. z tyrannula, E. z griseiloris, E. z sordida, E. z canescens, E. z interposita, E. z saani and E. z brunnescens.

学名
Erpornis zantholeuca
命名信息
Blyth, 1844
Passeriformes
Vireonidae
Erpornis

分布与栖息地

迁徙
Resident species

保护状况

种群趋势
unknown

照片

分布

鸟叫声

其他鸟类

Enggano Imperial-Pigeon

Enggano Imperial-Pigeon

Ducula oenothorax

Large pigeon from Enggano island off Sumatra. Other than deep green wings and back, predominantly pale gray, though slightly darker on the back of the neck. Distinctive pale pink wash across the chest. Inhabits wooded areas including edge and second growth near human habitation. No pigeons of a similar size and color occur on the island. Very vocal, with a wide repertoire, including a purring “krooooo”.

MacGillivray's Prion

MacGillivray's Prion

Pachyptila macgillivrayi

A pale powder-blue-and-white seabird with a faint grayish dark “M” across the upperwings. Note the dark blue “thumb mark” collar, the blue eye-stripe, the white eyebrow, the white throat, and the grayish cap. Restricted to two known breeding islands, Saint Paul in the South Indian Ocean, and Gough in the South Atlantic. Almost identical to Antarctic Prion, but bulkier and more heavy-chested, with a slightly wider bill. All but inseparable from Salvin’s Prion, with which it shares the breeding island of Gough, and with which it was once considered one species; MacGillivray’s is incrementally broader-billed, but birds seen at sea may not be identifiable.

Black Antshrike

Black Antshrike

Thamnophilus nigriceps

Medium-sized antshrike found in the understory of lowland forest and edge, especially in dense thickets. Male is entirely dark glossy black with a relatively short tail and a stout, hooked bill. Female is very distinctive: rufous above with a darker blackish head and breast covered with paler streaks and a buffy-brown belly. Found in pairs, usually working their way through vine tangles or thickets. Listen for an accelerating series of clucks.

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