Rufous-booted Racket-tail vs Koepcke's Hermit
Ocreatus addae 比較対象 Phaethornis koepckeae
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Koepcke's Hermit |
|---|---|---|
| 学名 | Ocreatus addae | Phaethornis koepckeae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 12.1 cm (4.8 in) |
| 体重 | 3.0 g (0.11 oz) | 4.95 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.
Koepcke's Hermit
Deep, hollow churr with resonant quality; prolonged buzzing trill carrying well through dense forest at low frequency.
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.
Koepcke's Hermit
Endemic to Peru in the Ucayali and Madre de Dios drainages. Found in lowland and foothill forest at 200–700 m elevation.
保全状況
Rufous-booted Racket-tail
Koepcke's 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.
Koepcke's Hermit
ペルー中部の限られた地域に固有の希少なハチドリで、生息地が極めて限定的。ケプケ博士の業績にちなんで命名されており、詳細な生態はあまり知られていない。