Swallow-tailed Hummingbird vs Amethyst-throated Mountain-gem
Eupetomena macroura 对比 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | Swallow-tailed Hummingbird | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Eupetomena macroura | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 13.9 cm (5.5 in) | 13.1 cm (5.2 in) |
| 体重 | 7.94 g (0.28 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Large, conspicuous nectarivore of Brazilian cerrado and gardens. Feeds at Erythrina and diverse blossoms; supplements … | 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
Swallow-tailed Hummingbird
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in animated display.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Swallow-tailed Hummingbird
Found in open habitats across eastern South America from the Guianas to Argentina. Resident in cerrado and gardens.
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
Swallow-tailed Hummingbird
Amethyst-throated Mountain-gem
About These Birds
Swallow-tailed Hummingbird
燕尾蜂鸟，体长15-17厘米。虹彩蓝绿色，尾羽深度分叉。分布于南美洲东部。
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.