Green-throated Mountain-gem
Lampornis viridipallens
Rather large hummingbird of humid evergreen forest in the mountains of eastern Chiapas and south to western Honduras. Rather inconspicuous in shady understory and at edges, where feeds at all levels on flowers. Despite the name, often looks rather drab, with dark mask, whitish throat (spotted green on male, but color is hard to see), and green upperparts. Best field mark is the tail, which in flight flashes extensive pale gray on the sides.
识别特征
The green-throated mountaingem is 11 to 12 cm (4.3 to 4.7 in) long and weighs about 5.4 g (0.19 oz). Both sexes of all subspecies have a straight black bill, a white stripe behind the eye above a dark cheek, and a slightly forked tail.<p>Adult males of the nominate subspecies have green upperparts with a bronzy rump and bluish black uppertail coverts. Their central tail feathers are black and the rest pale gray. Their throat is white with bluish green spots, their breast white, their belly grayish with green spots on the sides and flanks, and their undertail coverts dusky gray. Adult females have emerald green upperparts and an unspotted white throat but are otherwise like the male. Juveniles are like adult females but with a pale buffy throat.<p>Subspecies L. v. amadoni is darker overall than the nominate and is less bronzy on the rump. L. v. ovandensis differs from the nominate only in having a lesser extent of green spots on the sides and flanks. L. v. nubivagus has dark green upperparts and an intensely bronze rump.
分类信息
The green-throated mountaingem has sometimes been considered conspecific with its close relative the green-breasted mountaingem (Lampornis sybillae). It has these four subspecies:<p>Subspecies L. v. ovandensis differs very little from the nominate L. v. viridipallens and might better be merged with it.
- 学名
- Lampornis viridipallens
- 命名信息
- (Bourcier & Mulsant, 1846)
- 目
- Apodiformes
- 科
- Trochilidae
- 属
- Lampornis
分布与栖息地
The subspecies of green-throated mountaingem are found thus:<p>The species inhabits the interior and edges of humid evergreen and pine-oak forest. In elevation it ranges between 900 and 2,700 m (3,000 and 8,900 ft).
- 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
Violet-tailed Sunbird
Anthreptes aurantius
An iridescent sunbird of forest and forest edge, almost always near water. Males are distinctly bicolored: iridescent purple on their tails and heads and white on their bellies, with iridescent green highlights on the wings and orange underwing tufts. Females are more greenish-blue above with a bright white eye-line, a yellow belly, and white cheeks, throat, and chest. Distinguished from violet-backed sunbirds by its habitat, greenish wings, and iridescent female plumage. Vocalizations are not well known, but are presumably similar to those of other sunbirds.
Yellow-chinned Sunbird
Anthreptes rectirostris
A very small sunbird with a short, slightly curved bill. Males are iridescent leaf green above with a red-and-black chest band, yellow throat, and buffy gray belly. Females are drab and warbler-like with an inconspicuous pale eyebrow. Found in rainforest, farmbush, and plantations, mostly in the canopy. Males are similar to Collared Sunbird, but can be separated by the yellow rather than green chin, and the red chest band. Females can be confused with Green Hylia, which is smaller with much less conspicuous pale markings on the face.
Vanuatu Streaked Fantail
Rhipidura spilodera
Small, with a long, often fanned tail. Gray above with a brownish back, speckled white chest, and elegant white eyebrow and cheek stripe. Found in forest and forest edge, avoiding open areas. Similar to Gray Fantail, but note patterned chest. Song is a series of high-pitched tinkling notes, and calls include dry, raspy “chep”s.
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