Buff-breasted Sabrewing vs Rufous-booted Racket-tail
Campylopterus duidae 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Buff-breasted Sabrewing | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Campylopterus duidae | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 12.9 cm (5.1 in) | — |
| 체중 | 6.3100000000000005 g (0.22 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore specialising in tubular blossoms; supplements the floral nectar diet with tiny insects and spiders … | 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
Buff-breasted Sabrewing
Harsh, nasal buzz with emphatic delivery; rough coarse notes audible at considerable distance from territory.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Buff-breasted Sabrewing
Found in tepui forests of southern Venezuela and adjacent Brazil and Guyana. Restricted to Pantepui highland plateaus.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
보전 상태
Buff-breasted Sabrewing
Rufous-booted Racket-tail
How to Tell Them Apart
Buff-breasted Sabrewing
Nubian Bustard: white underparts; sandy-brown above; black crown; chestnut neck; pale streaked upperparts; sexually dimorphic
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
Buff-breasted Sabrewing
A large hummingbird (12-13 cm) found in tepui forests of southern Venezuela and adjacent Brazil and Guyana. Green plumage with a buff breast. Nectarivore of tepui highland forest. A Pantepui endemic restricted to table-top mountains.
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.