Rufous-booted Racket-tail vs Dusky Hummingbird
Ocreatus addae 比較対象 Phaeoptila sordida
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Dusky Hummingbird |
|---|---|---|
| 学名 | Ocreatus addae | Phaeoptila sordida |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | — |
| 体重 | 3.0 g (0.11 oz) | 3.9199999999999995 g (0.14 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Feeds on nectar from dry-forest flowers and flowering cacti in Mexico. Supplements diet with insects … |
| 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.
Dusky Hummingbird
High, crystalline notes in animated phrase; clear bright tones cascading smoothly in lively vocal 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.
Dusky Hummingbird
Endemic to arid regions of central and southern Mexico. Resident in dry scrub and thorn forest from Puebla to Oaxaca.
保全状況
Rufous-booted Racket-tail
Dusky Hummingbird
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.
Dusky Hummingbird
メキシコの乾燥した太平洋低地に生息するハチドリで、地味な灰褐色の羽毛をもつ。乾燥した林地や低木林に生息し、花蜜を採取する小型のハチドリ。