Amethyst-throated Mountain-gem vs Black-throated Hermit
Lampornis amethystinus so với Phaethornis atrimentalis
Side-by-Side Comparison
| Thuộc Tính | Amethyst-throated Mountain-gem | Black-throated Hermit |
|---|---|---|
| Tên Khoa Học | Lampornis amethystinus | Phaethornis atrimentalis |
| 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) | 7,7 cm (3.0 in) |
| Khối Lượng | 5,6000000000000005 g (0.20 oz) | 2,8 g (0.10 oz) |
| Chế Độ Ăn | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of long-tubed lowland flowers, especially Heliconia. Gleans small insects and spiders from leaf surfaces. |
| Số Trứng | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Amethyst-throated Mountain-gem only
Không
Black-throated Hermit only
Không
Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Black-throated Hermit
Buzzy, insect-like trill with rapid modulation; high-frequency buzz sustained briefly then repeated after short pause.
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.
Black-throated Hermit
Found in Amazonian foothills of Ecuador, Peru, and far western Brazil at 200–1,200 m. Uncommon and patchily distributed.
Tình Trạng Bảo Tồn
Amethyst-throated Mountain-gem
Black-throated Hermit
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
Black-throated Hermit
Pale-tailed Barbthroat: buffy-white underparts; olive-green above; distinct pale buff supercilium; long graduated tail; slightly decurved pink-based bill
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.
Black-throated Hermit
A small hermit hummingbird (9-10 cm) found in humid lowland forests from Colombia to Peru and western Brazil. Dark throat patch contrasting with pale underparts. Nectarivore of forest undergrowth, visiting small Heliconia and Costus flowers along forest streams.