Rufous-booted Racket-tail vs Scaly-breasted Sabrewing
Ocreatus addae 比較対象 Phaeochroa cuvierii
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Scaly-breasted Sabrewing |
|---|---|---|
| 学名 | Ocreatus addae | Phaeochroa cuvierii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | — |
| 体重 | 3.0 g (0.11 oz) | 8.959999999999999 g (0.32 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Visits flowering trees and epiphytes for nectar; supplements diet with small arthropods including gnats, midges, … |
| 一腹卵数 | 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.
Scaly-breasted Sabrewing
Sharp, emphatic chip note with bright projection; single clean staccato sound repeated persistently near territory.
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.
Scaly-breasted Sabrewing
Found in humid forests from Guatemala to Colombia and Venezuela. Resident in lowland forest undergrowth and edges.
保全状況
Rufous-booted Racket-tail
Scaly-breasted Sabrewing
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
Scaly-breasted Sabrewing
Lesser Ground-cuckoo: rufous below; brown-barred above; blue orbital ring; long broad tail; blue eye ring; tropical ground dweller
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.
Scaly-breasted Sabrewing
中米の乾燥した太平洋岸低地に生息するハチドリで、目立たない褐色の羽毛をもつ。乾燥した林や林縁部に生息し、花蜜を採取する。