Bolivian Starfrontlet vs Amethyst-throated Mountain-gem
Coeligena violifer 对比 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | Bolivian Starfrontlet | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Coeligena violifer | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 14.6 cm (5.7 in) | 13.1 cm (5.2 in) |
| 体重 | 7.675 g (0.27 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Nectarivore of Colombian and Venezuelan Andean cloud forest; visits Ericaceae and epiphyte blooms. Gleans small … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bolivian Starfrontlet
Bright, whistled descending phrase; clean notes stepping down smoothly with precision and musical elegance in Andes.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Bolivian Starfrontlet
Found in Andean cloud forests of Bolivia and Peru on the eastern slope at 1,800–3,400 m elevation.
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
Bolivian Starfrontlet
Amethyst-throated Mountain-gem
How to Tell Them Apart
Bolivian Starfrontlet
Black-hooded Sunbeam: males with glittering magenta gorget; metallic green above; black hood; females plain green above; spotted
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Bolivian Starfrontlet
玻利维亚星额蜂鸟(Coeligena violifer)是一种体长13-14厘米的中型蜂鸟，分布于秘鲁至玻利维亚安第斯山脉海拔2500-3500米。雄鸟具紫色胸部和彩虹色前额斑块。以花蜜为食。
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.