White-eared Hummingbird vs Amethyst-throated Mountain-gem
Basilinna leucotis 比較対象 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | White-eared Hummingbird | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Basilinna leucotis | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 10.9 cm (4.3 in) | 13.1 cm (5.2 in) |
| 体重 | 3.4000000000000004 g (0.12 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Nectarivore of Mexican and Guatemalan pine-oak forests, visiting flowering epiphytes. Supplements with insects and spiders … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-eared Hummingbird
Deep, resonant churring with powerful carrying quality; rich low buzzing trill audible at impressive range.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
White-eared Hummingbird
Found in mountain forests from the southwestern United States to Nicaragua at 1,500-3,000 m. Resident in pine-oak forest.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
保全状況
White-eared Hummingbird
Amethyst-throated Mountain-gem
How to Tell Them Apart
White-eared Hummingbird
Blue-throated Goldentail: males with brilliant blue-green gorget; metallic green above; golden tail; females green above; spotted
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
White-eared Hummingbird
米国南西部からニカラグアにかけての山地林の標高1,500〜3,000mに生息する中型のハチドリ（9〜10cm）。大胆な白い耳縞と翡翠色の喉（雄）を持つ緑の羽毛。松-オーク林と雲霧林の蜜食者。高地の給餌器に普通に現れる。
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.