White-vented Violetear vs Rufous-booted Racket-tail
Colibri serrirostris 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | White-vented Violetear | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Colibri serrirostris | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 13.6 cm (5.4 in) | — |
| 체중 | 6.199999999999999 g (0.22 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore of highland and lowland forest margins. Feeds on diverse tubular flowers and catches flying … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 산란 수 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-vented Violetear
Sharp, emphatic squeak repeated quickly; tiny piercing notes delivered insistently during competitive encounters near feeders.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
White-vented Violetear
Found in cerrado, chaco, and open woodland of central and southern Brazil, Bolivia, and Paraguay. 200–1,200 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
White-vented Violetear
Rufous-booted Racket-tail
About These Birds
White-vented Violetear
흰배보라귀벌새(Colibri serrirostris)는 브라질 중부와 볼리비아에 서식하는 벌새입니다. 흰 배와 보라색 목 깃털이 특징이며, 세라도 서식지에서 꽃꿀을 먹습니다.
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.