White-vented Violetear vs Amethyst-throated Mountain-gem
Colibri serrirostris 对比 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | White-vented Violetear | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Colibri serrirostris | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 13.6 cm (5.4 in) | 13.1 cm (5.2 in) |
| 体重 | 6.199999999999999 g (0.22 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Nectarivore of highland and lowland forest margins. Feeds on diverse tubular flowers and catches flying … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| 产卵数 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-vented Violetear
Sharp, emphatic squeak repeated quickly; tiny piercing notes delivered insistently during competitive encounters near feeders.
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-vented Violetear
Found in cerrado, chaco, and open woodland of central and southern Brazil, Bolivia, and Paraguay. 200–1,200 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
White-vented Violetear
Amethyst-throated Mountain-gem
About These Birds
White-vented Violetear
白臀紫耳蜂鸟(Colibri serrirostris)是一种体长11-12厘米的中型蜂鸟，具有绿色羽毛、紫色耳斑和独特的白色臀部。分布于巴西中部、玻利维亚东部和阿根廷北部的塞拉多草原。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.