Rufous-booted Racket-tail vs Violet-capped Woodnymph
Ocreatus addae 比較対象 Thalurania glaucopis
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Violet-capped Woodnymph |
|---|---|---|
| 学名 | Ocreatus addae | Thalurania glaucopis |
| 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) | 4.78 g (0.17 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of South Brazilian forest, visiting bromeliads and Heliconia. Supplements with insects and spiders. |
| 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.
Violet-capped Woodnymph
Deep, hollow churr with resonant character; prolonged buzzing sound vibrating softly through tropical canopy.
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.
Violet-capped Woodnymph
Found in the Atlantic Forest of southeastern Brazil, eastern Paraguay, and northeastern Argentina. Resident.
保全状況
Rufous-booted Racket-tail
Violet-capped Woodnymph
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.
Violet-capped Woodnymph
バイオレットクラウンドウッドニンフはブラジル東部の大西洋岸森林に生息するハチドリです。雄は紫がかった頭部と緑の胸部が特徴です。