Blue-tailed Emerald vs Amethyst-throated Mountain-gem
Chlorostilbon mellisugus 对比 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | Blue-tailed Emerald | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Chlorostilbon mellisugus | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 9.0 cm (3.5 in) | 13.1 cm (5.2 in) |
| 体重 | 2.6466666666666665 g (0.09 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Nectarivore visiting diverse flowering plants; supplements the high-sugar nectar diet with small insects and spiders … | 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
Blue-tailed Emerald
Pure, flute-like descending scale; smooth melodic phrase moving cleanly through several notes, warm in timbre.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Blue-tailed Emerald
Widely distributed from Colombia and Venezuela through the Guianas to Trinidad and Tobago. Resident in varied lowland habitats.
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
Blue-tailed Emerald
Amethyst-throated Mountain-gem
How to Tell Them Apart
Blue-tailed Emerald
White-throated Hummingbird: males with brilliant green gorget; metallic green above; white throat; females green above; spotted below
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Blue-tailed Emerald
蓝尾翠蜂鸟(Chlorostilbon mellisugus)是一种体长7-8厘米、广泛分布的小型蜂鸟，分布范围从哥伦比亚、委内瑞拉经圭亚那延伸至特立尼达。雄鸟背部翠绿色，尾羽蓝色。以花蜜为食，常见于开阔林地和花园中。
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.