Amethyst-throated Sunangel vs Rufous-booted Racket-tail
Heliangelus amethysticollis 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Amethyst-throated Sunangel | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Heliangelus amethysticollis | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 12.6 cm (5.0 in) | — |
| 体重 | 5.433333333333334 g (0.19 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore foraging at Ericaceae shrubs and epiphytic orchids in cloud forest. Gleans small insects from … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Amethyst-throated Sunangel
Soft, descending melodic phrase; gentle notes stepping smoothly down the scale in quiet, unhurried musical progression.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Amethyst-throated Sunangel
Found in Andean cloud forests from southern Peru through Bolivia. 2,400–3,800 m elevation. Resident.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
保全状況
Amethyst-throated Sunangel
Rufous-booted Racket-tail
How to Tell Them Apart
Amethyst-throated Sunangel
Perija Metaltail: deep violet-blue breast shield; shining metallic green above; white postocular stripe; females duller with spotted below
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
About These Birds
Amethyst-throated Sunangel
ベネズエラからボリビアにかけてのアンデス山地林（標高2,000〜3,500 m）に生息する小型ハチドリ（体長10〜11 cm）。雄はきらきら輝くアメジスト紫の喉を持つ。赤みがかった下面を持つ緑色の羽衣。山地林・パラモ縁辺の蜜食性。
Rufous-booted Racket-tail
A small hummingbird (8-10 cm plus tail rackets) found in Andean cloud forests of southeastern Peru and Bolivia at 1,200-2,200 m. Males have rufous leg puffs instead of white. Recently split from Booted Racket-tail. Nectarivore of montane forest undergrowth.