Rufous-booted Racket-tail vs Sooty-capped Hermit
Ocreatus addae 比較対象 Phaethornis augusti
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Sooty-capped Hermit |
|---|---|---|
| 学名 | Ocreatus addae | Phaethornis augusti |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 11.4 cm (4.5 in) |
| 体重 | 3.0 g (0.11 oz) | 4.916666666666667 g (0.17 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore specializing in Heliconia and other curved tubular flowers. Supplements diet with small spiders and … |
| 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.
Sooty-capped Hermit
Rough, scratchy chatter with coarse texture; series of dry notes scraping together in loose rhythm near nest site.
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.
Sooty-capped Hermit
Found in arid scrub and forest edges of northern Venezuela and adjacent Colombia, including Margarita Island. Sea level to 1,200 m.
保全状況
Rufous-booted Racket-tail
Sooty-capped 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.
Sooty-capped Hermit
ベネズエラ、コロンビア、ガイアナの熱帯雨林に生息するハチドリで、長い湾曲した嘴を持つ。沢沿いの薄暗い林内に生息し、林床近くで採食する。