Green Thorntail vs Rufous-booted Racket-tail
Discosura conversii 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Green Thorntail | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Discosura conversii | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 8.4 cm (3.3 in) | — |
| 체중 | 3.0 g (0.11 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore visiting small flowers at forest canopy and edges. Forages in groups at flowering trees; … | 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
Green Thorntail
Pure, sustaining tone with bell-like quality; single clear note ringing firmly then slowly diminishing in open air.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Green Thorntail
Found in foothill and lower montane forest from Costa Rica south through Colombia and Ecuador to Peru. 300–1,500 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
Green Thorntail
Rufous-booted Racket-tail
How to Tell Them Apart
Green Thorntail
Purple-backed Sunbeam: males with glittering emerald gorget; brilliant purple back; metallic green crown; females plain green with spots
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
Green Thorntail
수컷의 총 길이가 10cm에 달하는 전선 같은 긴 꼬리를 가진 7–8 cm의 소형 벌새. 흰 허리 띠가 있는 빛나는 녹색 깃털. 코스타리카에서 에콰도르 서부까지 습윤림에 서식. 수관부의 작은 꽃에 정지비행하며 꿀을 먹는 꿀 먹는 새. 요정 같은 비행.
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.