Scissor-tailed Hummingbird vs Rufous-booted Racket-tail
Hylonympha macrocerca 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Scissor-tailed Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Hylonympha macrocerca | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Endangered | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 13.3 cm (5.2 in) | — |
| 체중 | 7.25 g (0.26 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore of Venezuelan cloud forest; visits Ericaceae and diverse forest flowers. Catches small insects near … | 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
Scissor-tailed Hummingbird
Sharp, emphatic chip note repeated rapidly; clean staccato delivery with rising intensity during territorial display.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Scissor-tailed Hummingbird
Endemic to the Paria Peninsula of northeastern Venezuela in cloud forest at 700–1,200 m. Critically endangered.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
보전 상태
Scissor-tailed Hummingbird
Rufous-booted Racket-tail
About These Birds
Scissor-tailed Hummingbird
시자꼬리벌새는 베네수엘라에서만 발견되는 희귀한 벌새 종이다. 수컷은 매우 긴 꼬리 깃털을 가지고 있으며 녹색과 갈색의 깃털 색을 가진다. 산악 지대의 숲에서 서식하며 특정 꽃들의 꿀을 먹고 산다.
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.