Rufous-booted Racket-tail vs Straight-billed Hermit
Ocreatus addae 比較対象 Phaethornis bourcieri
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Straight-billed Hermit |
|---|---|---|
| 学名 | Ocreatus addae | Phaethornis bourcieri |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 11.0 cm (4.3 in) |
| 体重 | 3.0 g (0.11 oz) | 4.2 g (0.15 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of long-tubed lowland flowers, especially Heliconia. Gleans small insects and spiders from leaf surfaces. |
| 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.
Straight-billed Hermit
Crisp, musical chip note with ringing quality; single bright note repeated at measured intervals from prominent perch.
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.
Straight-billed Hermit
Widespread in lowland Amazonia from Colombia and Venezuela south through Ecuador, Peru, and Bolivia to Brazil. 0–800 m.
保全状況
Rufous-booted Racket-tail
Straight-billed 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.
Straight-billed Hermit
アマゾン流域北部の熱帯雨林に生息するハチドリで、Bourcierの名を持つ。長い嘴で、ヘリコニアなどの細長い花から花蜜を採取する。