Green-tailed Emerald vs Amethyst-throated Mountain-gem
Chlorostilbon alice 对比 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | Green-tailed Emerald | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Chlorostilbon alice | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | — | 13.1 cm (5.2 in) |
| 体重 | 3.5 g (0.12 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Nectarivore of Venezuelan dry scrub, hovering at low shrub blooms. Catches gnats and spiders to … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Green-tailed Emerald
Buzzy, sustained trill with insect-like quality; continuous high-frequency vibration with rapid amplitude modulation.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Green-tailed Emerald
Found in montane regions of Venezuela at 500-2,000 m elevation. A Venezuelan endemic or near-endemic.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
保护状况
Green-tailed Emerald
Amethyst-throated Mountain-gem
How to Tell Them Apart
Green-tailed Emerald
Elliot's Hummingbird (Elliotomyia): males with iridescent violet gorget; metallic green above; white underparts; females green; spots
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Green-tailed Emerald
委内瑞拉翠蜂鸟 (Chlorostilbon alice)，体长约9厘米。雄鸟体羽闪亮翠绿色，尾叉形深蓝色；雌鸟下体灰白色，有淡色眉纹。特有于委内瑞拉北部的山地灌丛和林缘。以花蜜为主食，也捕食小型昆虫。
Amethyst-throated Mountain-gem
A medium-sized hummingbird (11-12 cm) found in mountain forests from Mexico to Honduras at 1,000-3,000 m. Males have an amethyst-purple throat. Nectarivore of pine-oak and cloud forest. Commonly visits feeders in Mexican highland gardens.