White-tailed Starfrontlet vs Amethyst-throated Mountain-gem
Coeligena phalerata 对比 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | White-tailed Starfrontlet | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Coeligena phalerata | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 14.1 cm (5.6 in) | 13.1 cm (5.2 in) |
| 体重 | 6.1 g (0.22 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Nectarivore of restricted Colombian range; visits Ericaceae and bromeliads in humid cloud forest. Supplements with … | 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
White-tailed Starfrontlet
Melodic, two-note ascending whistle; pure first tone rising to brighter second, given with clear projection from perch.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
White-tailed Starfrontlet
Endemic to the Sierra Nevada de Santa Marta, Colombia, in cloud forest and forest edge. 1,800–3,000 m.
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
White-tailed Starfrontlet
Amethyst-throated Mountain-gem
How to Tell Them Apart
White-tailed Starfrontlet
Mountain Velvetbreast: tiny; males with brilliant blue-violet gorget; metallic green above; white underparts; females green above; 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
White-tailed Starfrontlet
白尾星额蜂鸟(Coeligena phalerata)是一种体长13-14厘米的中型蜂鸟，为哥伦比亚内华达-德圣马尔塔山脉特有种，分布于海拔1800-3000米。绿色羽毛，具白色尾羽。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.