Amethyst-throated Mountain-gem vs Straight-billed Hermit
Lampornis amethystinus 比較対象 Phaethornis bourcieri
Side-by-Side Comparison
| 属性 | Amethyst-throated Mountain-gem | Straight-billed Hermit |
|---|---|---|
| 学名 | Lampornis amethystinus | Phaethornis bourcieri |
| 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) | 11.0 cm (4.3 in) |
| 体重 | 5.6000000000000005 g (0.20 oz) | 4.2 g (0.15 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 | 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.
Straight-billed Hermit
Crisp, musical chip note with ringing quality; single bright note repeated at measured intervals from prominent perch.
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.
Straight-billed Hermit
Widespread in lowland Amazonia from Colombia and Venezuela south through Ecuador, Peru, and Bolivia to Brazil. 0–800 m.
保全状況
Amethyst-throated Mountain-gem
Straight-billed 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
Straight-billed Hermit
Cinnamon-throated Hermit: deep iridescent violet crown; glittering green gorget; cinnamon-buff throat; buff-white undertail; decurved 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.
Straight-billed Hermit
アマゾン流域北部の熱帯雨林に生息するハチドリで、Bourcierの名を持つ。長い嘴で、ヘリコニアなどの細長い花から花蜜を採取する。