Amethyst-throated Mountain-gem vs Andean Hillstar
Lampornis amethystinus so với Oreotrochilus estella
Side-by-Side Comparison
| Thuộc Tính | Amethyst-throated Mountain-gem | Andean Hillstar |
|---|---|---|
| Tên Khoa Học | Lampornis amethystinus | Oreotrochilus estella |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 13,1 cm (5.2 in) | 14,4 cm (5.7 in) |
| Khối Lượng | 5,6000000000000005 g (0.20 oz) | 8,299999999999999 g (0.29 oz) |
| Chế Độ Ăn | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of high-altitude puna and páramo; specializes in Chuquiraga and Puya flowers. Catches small insects … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Amethyst-throated Mountain-gem only
Andean Hillstar only
Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Andean Hillstar
High, wavering trill with trembling quality; rapid series of notes with slight pitch modulation giving vibrato effect.
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.
Andean Hillstar
Widespread in Andean puna of southern Peru, Bolivia, and northwestern Argentina at 3,000–5,000 m. Resident.
Tình Trạng Bảo Tồn
Amethyst-throated Mountain-gem
Andean 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
Andean Hillstar
Santa Marta Woodstar: tiny; males with brilliant magenta-red gorget; metallic green crown; white underparts; females green above with 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.
Andean Hillstar
A medium-sized hummingbird (12-14 cm) found in the high Andes from Peru to Argentina and Chile at 3,500-5,000 m. Green plumage with a white breast. One of the highest-living hummingbird species, entering torpor at night to survive freezing temperatures. Nectarivore of Chuquiraga and cacti.