Amethyst-throated Mountain-gem vs Ecuadorian Hillstar
Lampornis amethystinus 比較対象 Oreotrochilus chimborazo
Side-by-Side Comparison
| 属性 | Amethyst-throated Mountain-gem | Ecuadorian Hillstar |
|---|---|---|
| 学名 | Lampornis amethystinus | Oreotrochilus chimborazo |
| 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) | 14.8 cm (5.8 in) |
| 体重 | 5.6000000000000005 g (0.20 oz) | 8.383333333333333 g (0.30 oz) |
| 食性 | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of Ecuadorian highland páramo; visits Chuquiraga jussieui and Puya. Takes small insects on cold … |
| 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.
Ecuadorian Hillstar
Harsh, grating screech with urgent tone; sudden loud rough call given sharply during aerial chase sequences.
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.
Ecuadorian Hillstar
Endemic to Chimborazo and neighboring volcanoes in Ecuador in high páramo at 3,500–5,200 m. Nationally iconic.
保全状況
Amethyst-throated Mountain-gem
Ecuadorian Hillstar
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
Ecuadorian Hillstar
Slender-tailed Woodstar: males with iridescent purple-violet gorget; metallic green body; white pectoral tufts; females green above
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.
Ecuadorian Hillstar
A medium-sized hummingbird (12-13 cm) endemic to the highlands of Ecuador at 3,500-5,200 m, notably on Chimborazo volcano. Males have a violet-blue hood and white breast. One of the world's highest-living birds, adapted to extreme altitude with enhanced oxygen-carrying capacity.