Rufous-booted Racket-tail vs White-browed Hermit
Ocreatus addae 比較対象 Phaethornis stuarti
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | White-browed Hermit |
|---|---|---|
| 学名 | Ocreatus addae | Phaethornis stuarti |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 7.2 cm (2.8 in) |
| 体重 | 3.0 g (0.11 oz) | 2.48 g (0.09 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore trap-lining Heliconia patches in humid lowland forest. Supplements with arthropods for breeding protein demands. |
| 一腹卵数 | 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.
White-browed Hermit
Deep, resonant trill with powerful carrying quality; rich vibrating sound audible at great distance in still air.
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.
White-browed Hermit
Endemic to Bolivia and adjacent southwestern Brazil in the Amazon basin. Found in lowland forest at 150–600 m elevation.
保全状況
Rufous-booted Racket-tail
White-browed Hermit
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.
White-browed Hermit
ペルーとボリビアのアンデス東斜面に生息するハチドリで、Stuartのハーミットとも呼ばれる。標高の高い霧雨林に生息し、詳細な生態はまだよくわかっていない。