Little Woodstar vs Amethyst-throated Mountain-gem
Chaetocercus bombus 比較対象 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | Little Woodstar | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Chaetocercus bombus | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 5.6 cm (2.2 in) | 13.1 cm (5.2 in) |
| 体重 | 6.5 g (0.23 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | One of the world's smallest birds; feeds on nectar from tiny blossoms in humid forest … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Little Woodstar
Harsh, scratchy buzz with coarse texture; sustained rough vibration with raspy edges carrying across scrub habitat.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Little Woodstar
Found in Andean foothill forests from Colombia to Peru at 800-2,200 m. Classified as Vulnerable due to habitat loss.
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
Little Woodstar
Amethyst-throated Mountain-gem
How to Tell Them Apart
Little Woodstar
Ruby-topaz Hummingbird: males with glittering golden-red topaz crown; iridescent ruby gorget; metallic green back; females duller
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Little Woodstar
コロンビアからペルーのアンデス山麓（800〜2,200 m）の微小ハチドリ（7 cm）。ウッドスターの中でも特に小さい。雄は紫色の喉。林縁で花蜜を吸う。脆弱種。
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.