White-chested Emerald vs Amethyst-throated Mountain-gem
Chrysuronia brevirostris 比較対象 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | White-chested Emerald | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Chrysuronia brevirostris | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 13.1 cm (5.2 in) |
| 体重 | 4.25 g (0.15 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Nectarivore specialising in tubular blossoms; supplements the floral nectar diet with tiny insects and spiders … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-chested Emerald
Thin, reedy whistle with plaintive nasal quality; soft tone held briefly then gently fading in rain forest.
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-chested Emerald
Found in humid forests from the Guianas through northern Amazonia to eastern Venezuela. Resident in lowland forest.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
保全状況
White-chested Emerald
Amethyst-throated Mountain-gem
How to Tell Them Apart
White-chested Emerald
Reunion Coucal: dark glossy black above; rufous wings; pale below; long dark tail; red eye; island endemic; similar to related species
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-chested Emerald
A medium-sized hummingbird (9-10 cm) found in humid forests from the Guianas through northern Amazonia to eastern Venezuela. White breast, green plumage. Short bill. Nectarivore of forest edges, savanna, and gardens.
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.