Grey-tailed Mountain-gem vs Rufous-booted Racket-tail
Lampornis cinereicauda 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Grey-tailed Mountain-gem | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Lampornis cinereicauda | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 12.4 cm (4.9 in) | — |
| 체중 | 5.425 g (0.19 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore of Costa Rican and Panamanian cloud forest; forages at Ericaceae and Salvia. Gleans small … | 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
Grey-tailed Mountain-gem
Sharp, crackling chatter with percussive quality; rapid dry notes delivered forcefully near active territory boundary.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Grey-tailed Mountain-gem
Found in highland forest of Costa Rica, primarily the Pacific slope Talamanca range. 1,200–2,400 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
보전 상태
Grey-tailed Mountain-gem
Rufous-booted Racket-tail
How to Tell Them Apart
Grey-tailed Mountain-gem
Rufous-breasted Sabrewing: males glittering blue-violet gorget; metallic green; rufous breast patch; females 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
Grey-tailed Mountain-gem
회색꼬리벌새는 코스타리카와 파나마에 서식하는 벌새이다. 수컷은 자주색 목 반점과 회색 꼬리가 특징이며 산악 지대의 숲에서 서식한다. 꽃의 꿀을 주식으로 하며 중앙아메리카 산악 지역에서만 발견된다.
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.