Coppery-headed Emerald vs Rufous-booted Racket-tail
Microchera cupreiceps 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Coppery-headed Emerald | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Microchera cupreiceps | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | — | — |
| 체중 | 3.15 g (0.11 oz) | 3.0 g (0.11 oz) |
| 식성 | Feeds on nectar from diverse forest flowers, hovering briefly at each bloom. Takes small insects … | 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
Coppery-headed Emerald
Rough, grating buzz with coarse texture; harsh sustained vibration carrying across open scrubby hillside.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Coppery-headed Emerald
Endemic to the highlands of Costa Rica at 700-1,600 m. Classified as Near Threatened. A Costa Rican endemic.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
보전 상태
Coppery-headed Emerald
Rufous-booted Racket-tail
About These Birds
Coppery-headed Emerald
소형 벌새로 체장 약 8cm이며, 수컷은 구리색 머리에 초록-파란 윗면을 갖는다. 코스타리카 북동부 구릉지 숲에 서식하는 희귀 고유종이다. 꽃의 꿀을 빨아 먹는다. 위기에 처한 상태이다.
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.