Amethyst-throated Mountain-gem vs Violet-throated Metaltail
Lampornis amethystinus so với Metallura baroni
Side-by-Side Comparison
| Thuộc Tính | Amethyst-throated Mountain-gem | Violet-throated Metaltail |
|---|---|---|
| Tên Khoa Học | Lampornis amethystinus | Metallura baroni |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 13,1 cm (5.2 in) | 11,4 cm (4.5 in) |
| Khối Lượng | 5,6000000000000005 g (0.20 oz) | 4,4 g (0.16 oz) |
| Chế Độ Ăn | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of Ecuadorian treeline vegetation; specialized for Ericaceae blooms above 3000 m. Catches small arthropods. |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Amethyst-throated Mountain-gem only
Không
Violet-throated Metaltail 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.
Violet-throated Metaltail
Melodic, flute-like phrase with clear quality; smooth notes flowing pleasantly in quiet sequence at forest edge.
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-throated Metaltail
Endemic to a tiny area in the Cajas plateau region of southwestern Ecuador. 3,000–4,200 m. Critically endangered.
Tình Trạng Bảo Tồn
Amethyst-throated Mountain-gem
Violet-throated Metaltail
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-throated Metaltail
Green-throated Mountain-gem: males with glittering green gorget; metallic green above; white underparts; females green above; spotted
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-throated Metaltail
A small hummingbird (9-10 cm) endemic to the Andes of southern Ecuador at 2,500-3,500 m. Males have a violet-purple throat. Nectarivore of cloud forest and páramo edges. Classified as Endangered due to limited range. Named after Baron Erich von Baroni.