Rufous-booted Racket-tail vs Peruvian Racket-tail
Ocreatus addae 比較対象 Ocreatus peruanus
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Peruvian Racket-tail |
|---|---|---|
| 学名 | Ocreatus addae | Ocreatus peruanus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Not Evaluated |
| 体長 | — | — |
| 翼開長 | — | — |
| 体重 | 3.0 g (0.11 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of Peruvian montane forest; forages at diverse Andean flowers. Supplements with small arthropods. |
| 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.
Peruvian Racket-tail
Soft, sibilant hissing trill; gentle continuous buzz with pulsing quality during slow courtship hovering display.
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.
Peruvian Racket-tail
Found on the eastern Andean slope in Peru in foothill and lower montane forest. 400–1,600 m elevation.
保全状況
Rufous-booted Racket-tail
Peruvian Racket-tail
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.
Peruvian Racket-tail
A small hummingbird (8-10 cm plus tail rackets in males) found in Andean cloud forests of Peru at 1,500-2,500 m. Males have elongated tail rackets and white leg puffs. Recently split from Booted Racket-tail. Nectarivore of montane forest.