White-tailed Emerald vs Rufous-booted Racket-tail
Microchera chionura 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | White-tailed Emerald | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Microchera chionura | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | — | — |
| 체중 | 3.2 g (0.11 oz) | 3.0 g (0.11 oz) |
| 식성 | Visits flowering trees and epiphytes for nectar; supplements diet with small arthropods including gnats, midges, … | 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
White-tailed Emerald
Melodic, flute-like phrase with warm timbre; smooth notes flowing in relaxed quiet progression at forest edge.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
White-tailed Emerald
Found in humid forests of western Panama and extreme western Colombia. Resident in lowland and foothill forest.
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-tailed Emerald
Rufous-booted Racket-tail
About These Birds
White-tailed Emerald
소형 벌새로 체장 약 8cm이며, 수컷은 초록 윗면에 흰색 꽁지를 갖는다. 파나마 서부와 코스타리카 태평양 경사면 숲에 서식하는 고유종이다. 꽃의 꿀을 빨아 먹는다. 관심 필요 종이다.
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.