Rufous-booted Racket-tail vs Needle-billed Hermit
Ocreatus addae 比較対象 Phaethornis philippii
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Needle-billed Hermit |
|---|---|---|
| 学名 | Ocreatus addae | Phaethornis philippii |
| 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) | 4.9 g (0.17 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore following trap-lining routes through Heliconia and Costus flowers. Catches small arthropods for protein. |
| 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.
Needle-billed Hermit
Soft, whispered twittering with delicate quality; barely audible sequence of minute high notes almost lost in ambient sound.
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.
Needle-billed Hermit
Found in lowland rainforest of Peru and adjacent Bolivia in the upper Amazon basin. Sea level to 600 m elevation.
保全状況
Rufous-booted Racket-tail
Needle-billed Hermit
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
Needle-billed Hermit
Minute Hermit: metallic green above; buff underparts; white postocular stripe; tiny size; decurved bill; streaked throat; pale belly
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.
Needle-billed Hermit
アマゾン流域南西部のペルーとブラジルの熱帯雨林に生息するハチドリで、フィリップのハーミットとも呼ばれる。密生した林内に生息する。