Bolivian Starfrontlet vs Rufous-booted Racket-tail
Coeligena violifer 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Bolivian Starfrontlet | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Coeligena violifer | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 14.6 cm (5.7 in) | — |
| 체중 | 7.675 g (0.27 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore of Colombian and Venezuelan Andean cloud forest; visits Ericaceae and epiphyte blooms. Gleans small … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 산란 수 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bolivian Starfrontlet
Bright, whistled descending phrase; clean notes stepping down smoothly with precision and musical elegance in Andes.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Bolivian Starfrontlet
Found in Andean cloud forests of Bolivia and Peru on the eastern slope at 1,800–3,400 m elevation.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
보전 상태
Bolivian Starfrontlet
Rufous-booted Racket-tail
How to Tell Them Apart
Bolivian Starfrontlet
Black-hooded Sunbeam: males with glittering magenta gorget; metallic green above; black hood; females plain green above; spotted
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
Bolivian Starfrontlet
보라별벌새(Coeligena violifer)는 페루와 볼리비아의 안데스 산지에 서식하는 벌새입니다. 수컷의 보라색 목 깃털이 특징이며, 고산 삼림과 관목 지대에서 서식합니다.
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.