Blue-tufted Starthroat vs Amethyst-throated Mountain-gem
Heliomaster furcifer 对比 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | Blue-tufted Starthroat | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Heliomaster furcifer | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 10.8 cm (4.3 in) | 13.1 cm (5.2 in) |
| 体重 | 5.7 g (0.20 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Nectarivore of open Argentine and Bolivian habitats; visits diverse shrub flowers. Catches small insects in … | 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-tufted Starthroat
Buzzy, insect-like trill with rapid modulation; high-frequency buzz sustained briefly then repeated after pause.
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-tufted Starthroat
Found from Bolivia and Brazil south to Argentina and Uruguay in open woodland and scrub. Sea level to 1,500 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
Blue-tufted Starthroat
Amethyst-throated Mountain-gem
How to Tell Them Apart
Blue-tufted Starthroat
Sparkling-tailed Hummingbird: males with brilliant violet gorget; metallic bronze-green; sparkling tail; females 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
Blue-tufted Starthroat
蓝胡须星蜂鸟分布于南美洲阿根廷、玻利维亚、巴西至特立尼达的干旱和半干旱地带。雄鸟胡须状喉羽蓝色，喙细长。以花蜜为食，栖息于干旱林和稀树草原。在南美洲大陆分布较广。
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.