Santa Marta Woodstar vs Amethyst-throated Mountain-gem
Chaetocercus astreans 比較対象 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | Santa Marta Woodstar | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Chaetocercus astreans | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 6.7 cm (2.6 in) | 13.1 cm (5.2 in) |
| 体重 | 2.605 g (0.09 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Endemic to the Sierra Nevada de Santa Marta; feeds on highland floral nectar and supplements … | 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
Santa Marta Woodstar
Rapid, mechanical clicking trill; quick even staccato notes in steady dry rhythm throughout active day.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Santa Marta Woodstar
Endemic to the Sierra Nevada de Santa Marta, Colombia, at 1,200-3,000 m elevation. Found nowhere else in the world.
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
Santa Marta Woodstar
Amethyst-throated Mountain-gem
How to Tell Them Apart
Santa Marta Woodstar
Bahama Woodstar (alt): tiny; males with glittering magenta-rose gorget; metallic green above; white underparts; females spotted below
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Santa Marta Woodstar
コロンビア・シエラネバダ・デ・サンタ・マルタ固有の微小ハチドリ（7 cm）で標高1,200〜3,000 mに生息。雄は輝くゴージェット羽を持つ。山地林縁で花蜜を吸う。生息地が限定的。
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.