Horned Sungem vs Amethyst-throated Mountain-gem
Heliactin bilophus 对比 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | Horned Sungem | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Heliactin bilophus | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 9.6 cm (3.8 in) | 13.1 cm (5.2 in) |
| 体重 | 2.3 g (0.08 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Nectarivore of open savanna and cerrado, visiting small flowers of grasses and shrubs. Catches tiny … | 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
Horned Sungem
Melodic, rolling phrase with rich timbre; warm, musical notes tumbling loosely in pleasant sequence at midday.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Horned Sungem
Found in cerrado, caatinga, and dry open habitats across central Brazil from Maranhão to Minas Gerais and Mato Grosso. 300–1,100 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
Horned Sungem
Amethyst-throated Mountain-gem
How to Tell Them Apart
Horned Sungem
Green-tailed Goldenthroat: males with glittering emerald gorget and violet crown; females green above; pale buff with green-spotted flanks
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Horned Sungem
双冠蜂鸟是巴西中部特有的蜂鸟，雄鸟头部具两道彩色羽冠，极为华丽。体型小，喙短直。栖息于巴西热带稀树草原（塞拉多），以花蜜为主食。具有独特的展示行为，飞翔时上下起伏以展示头冠。
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.