Amethyst-throated Mountain-gem vs Black-throated Hermit
Lampornis amethystinus 比較対象 Phaethornis atrimentalis
Side-by-Side Comparison
| 属性 | Amethyst-throated Mountain-gem | Black-throated Hermit |
|---|---|---|
| 学名 | Lampornis amethystinus | Phaethornis atrimentalis |
| 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) | 7.7 cm (3.0 in) |
| 体重 | 5.6000000000000005 g (0.20 oz) | 2.8 g (0.10 oz) |
| 食性 | 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. |
| 一腹卵数 | 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.
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.
保全状況
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
エクアドル、コロンビア、ペルーのアンデス東麓に生息するハチドリで、暗い羽毛が特徴的。沢沿いや密生した低木林に生息し、特定の花を縄張りとする。