Rufous-booted Racket-tail vs Band-tailed Barbthroat
Ocreatus addae 비교 대상 Threnetes ruckeri
Side-by-Side Comparison
| 속성 | Rufous-booted Racket-tail | Band-tailed Barbthroat |
|---|---|---|
| 학명 | Ocreatus addae | Threnetes ruckeri |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Not Evaluated | Least Concern |
| 체장 | — | — |
| 날개 폭 | — | 11.3 cm (4.4 in) |
| 체중 | 3.0 g (0.11 oz) | 6.0 g (0.21 oz) |
| 식성 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore specialising in long curved tubular flowers; also hawks small flies and midges near forest … |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Band-tailed Barbthroat
Crisp, emphatic single chip repeated at intervals; clear staccato note with sharp attack and brief resonant tail.
Geographic Range & Migration
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Band-tailed Barbthroat
Found from southern Mexico through Central America to western Colombia and northwestern Venezuela. Resident in lowland forest and shaded streams.
보전 상태
Rufous-booted Racket-tail
Band-tailed Barbthroat
How to Tell Them Apart
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
Band-tailed Barbthroat
Bronze-green upperparts; pale buff underparts with dark throat; broad black-and-white banded tail with rufous base; blackish chin and throat with pale malar stripe; Central American species with boldly banded tail …
About These Birds
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.
Band-tailed Barbthroat
무늬지느러미벌새는 중앙아메리카에서 콜롬비아까지 서식하는 소형 벌새입니다. 녹색 등과 흰색과 갈색 무늬의 아랫면, 직선형 붉은 부리가 특징이며, 열대 저지대 숲의 하층에서 생활합니다.