Green Iora
Aegithina viridissima
A medium-sized canopy-dweller of lowland and foothill forests, often seen with mixed flocks. Male is dark olive-green with boldly black-and-white-striped wings; female is paler, with an olive back and a less contrasting wing pattern. Look for bright yellow “goggles” around dark eyes in both sexes; Common Iora lacks these goggles and has pale eyes, but these can be hard to discern. Song is high, simple, and repetitive: “wit-dee, wit-dee, wit-dee” or “chew-a-wee-chew, chew-a-wee.” Calls vary, but the most common ones are downslurred and rather nasal-sounding.
识别特征
The green iora is 12–14 cm (4.7–5.5 in) long. The male has black lores and bright yellow "eyelids" (a broken eye-ring). The face and upperparts are dark olive. The wings are black, with two white wing-bars on the covert feathers and olive-yellow margins on the flight feathers. The underparts are also dark olive, with lighter flanks and a yellow centre belly. The tail is black. The eyes are dark to red brown, the beak is grey-blue, and the feet are slaty blue. The female has yellow lores and a complete eye-ring. The upperparts and tail are medium olive. The wings are similar to those of the male but are washed olive, and the wing-bars are yellow instead. The underparts are olive green, with a yellow tint on the centre belly. The juvenile bird is similar to the female, but is paler.
分类信息
This species was described as Jora viridissima by Charles Lucien Bonaparte in 1850. Harry C. Oberholser described subspecies Aegithina viridissima thapsina from the Anamba Islands in 1917, noting its larger size and yellower plumage. These two subspecies are recognised by the IOC World Bird List, while Aegithina viridissima nesiotica described by Oberholser in 1912 is now included in the nominate subspecies.
- 学名
- Aegithina viridissima
- 命名信息
- (Bonaparte, 1850)
- 目
- Passeriformes
- 科
- Aegithinidae
- 属
- Aegithina
分布与栖息地
This species is found in Tenasserim, the Thai-Malay Peninsula, Sumatra, Borneo and some small neighbouring islands, and it is locally extinct in Singapore. It lives in the canopy of lowland forests up to 820 m (2,690 ft) in elevation, and is also found in tall secondary forest, peat swamp forest and mangrove forest.
- 迁徙
- Resident species
行为
Migration pattern: Resident species.
保护状况
Population trend: declining.
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Reunion Stonechat
Saxicola tectes
A small, chunky robin-like bird. Males are black and white and quite variable, sometimes having a white eyebrow and showing a variable amount of rufous on the underparts. Females are dark brown on the back and pale below, with some rufous on the breast. Found in a wide variety of habitats on the island of Reunion, including humid forest, heath, farms, gardens, montane grassland, and scrub. Most common at middle and high elevations. Perches up conspicuously and often flicks the wings. Distinctive within its restricted range. Song is a quick jumbled mix of high-pitched scratchy notes.
Gray-breasted Prinia
Prinia hodgsonii
A small, relatively short-tailed prinia with a fine black bill. Usually found in scrub forests and undergrowth along forest edges and forest clearings. Breeding birds have a distinctive gray breast band, gray upperparts, and no eyebrow. Nonbreeding birds lack a complete breast band and have a short eyebrow. An active bird that often occurs in flocks. It makes a wide variety of sounds including buzzy songs which it sings from high, exposed perches. Nonbreeding birds are similar to Rufescent Prinia, but Gray-breasted Prinias have a shorter eyebrow, more contrast between the pale throat and darker chest, and a different call.
Velvet Flycatcher
Myiagra eichhorni
Male is entirely glossy black with a slightly erect crest. Female has a rufous back and pale underparts; head color varies between islands, being dark on New Ireland, New Hanover, and New Britain, and pale on Djaul. Prefers primary forest and undisturbed second growth. Song is a series of loud, piercing whistles. Call is a buzzing nasal churr.
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