Amethyst-throated Sunangel vs Rufous-booted Racket-tail
Heliangelus amethysticollis 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Amethyst-throated Sunangel | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Heliangelus amethysticollis | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 12.6 cm (5.0 in) | — |
| 체중 | 5.433333333333334 g (0.19 oz) | 3.0 g (0.11 oz) |
| 식성 | 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 … |
| 산란 수 | 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.
보전 상태
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
자수정목벌새(Heliangelus amethysticollis)는 베네수엘라에서 볼리비아까지 해발 2,000–3,500m 안데스 구름숲에 서식하는 10–11cm 소형 벌새다.
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.