Amethyst-throated Mountain-gem vs Violet-chested Hummingbird
Lampornis amethystinus 比較対象 Sternoclyta cyanopectus
Side-by-Side Comparison
| 属性 | Amethyst-throated Mountain-gem | Violet-chested Hummingbird |
|---|---|---|
| 学名 | Lampornis amethystinus | Sternoclyta cyanopectus |
| 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) | 14.0 cm (5.5 in) |
| 体重 | 5.6000000000000005 g (0.20 oz) | 7.816666666666667 g (0.28 oz) |
| 食性 | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of Venezuelan cloud forest; visits Ericaceae and large epiphyte flowers. Supplements with small arthropods. |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Violet-chested Hummingbird
Deep, resonant churring trill; prolonged buzzing sound carrying well across Andean scrub habitat at low frequency.
Geographic Range & Migration
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
Violet-chested Hummingbird
Found in humid montane forest of the coastal Cordillera and tepuis of Venezuela at 1,000–2,200 m elevation.
保全状況
Amethyst-throated Mountain-gem
Violet-chested Hummingbird
How to Tell Them Apart
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
Violet-chested Hummingbird
White-bellied Woodstar (alt): males with glittering purple gorget; metallic green above; white underparts; females green above; spots
About These Birds
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.
Violet-chested Hummingbird
A large hummingbird (12-13 cm) endemic to the coastal mountains of northern Venezuela at 900-2,500 m. Males have a striking violet-blue breast. Nectarivore of montane forest and coffee plantations. A range-restricted Venezuelan endemic.