Racket-tipped Thorntail vs Rufous-booted Racket-tail
Discosura longicaudus 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Racket-tipped Thorntail | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Discosura longicaudus | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 8.6 cm (3.4 in) | — |
| 체중 | 3.35 g (0.12 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore of Amazonian forest canopy. Forages at Inga and other legume flowers; supplements with 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
Racket-tipped Thorntail
Melodic, ascending scale of clear notes; bright flute-like tones climbing smoothly, characteristic of morning territorial song.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Racket-tipped Thorntail
Found in humid lowland forest from Colombia and Venezuela east through the Guianas and Amazonian Brazil. 0–600 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
Racket-tipped Thorntail
Rufous-booted Racket-tail
How to Tell Them Apart
Racket-tipped Thorntail
Greenish Puffleg: males brilliant metallic green; glittering blue gorget; white flanks; white leg puffs; females green above 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
Racket-tipped Thorntail
수컷은 독특한 라켓 모양 끝을 가진 연장된 외부 꼬리 깃털을 가진 7–8cm(수컷은 긴 꼬리 라켓 포함) 소형 벌새로 베네수엘라에서 기아나를 거쳐 아마존까지 습윤 저지림에 서식한다. 삼림 수관부에서 꿀을 먹는다.
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.