Rainbow-bearded Thornbill vs Rufous-booted Racket-tail
Chalcostigma herrani 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Rainbow-bearded Thornbill | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Chalcostigma herrani | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 13.5 cm (5.3 in) | — |
| 체중 | 6.183333333333334 g (0.22 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore of Colombian and Venezuelan montane scrub; visits diverse small flowers. Supplements with small insects. | 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
Rainbow-bearded Thornbill
Thin, reedy trill with wavering quality; soft rapid notes with gentle tremolo effect, given from dense cover.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Rainbow-bearded Thornbill
Found in high Andean páramo and shrubby forest edge from Colombia south to Ecuador and Peru. 2,600–4,400 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
Rainbow-bearded Thornbill
Rufous-booted Racket-tail
About These Birds
Rainbow-bearded Thornbill
콜롬비아에서 에콰도르까지 안데스 파라모에 서식하는 소형 벌새 (10–11 cm). 수컷은 반짝이는 목 장식. 꽃꿀 섭취.
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.