Rufous-booted Racket-tail vs Snowy-bellied Hummingbird
Ocreatus addae 比較対象 Saucerottia edward
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Snowy-bellied Hummingbird |
|---|---|---|
| 学名 | Ocreatus addae | Saucerottia edward |
| 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) | 4.92 g (0.17 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Feeds on floral nectar in dry Pacific Panamanian scrub. Supplements diet with small insects 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.
Snowy-bellied Hummingbird
Sharp, crackling trill with percussive edge; rapid dry notes delivered forcefully near territory boundary.
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.
Snowy-bellied Hummingbird
Found in humid forests from Costa Rica to Colombia. Resident primarily on the Pacific slope of Central America.
保全状況
Rufous-booted Racket-tail
Snowy-bellied 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.
Snowy-bellied Hummingbird
A medium-sized hummingbird (9-10 cm) found in humid forests from Costa Rica to Colombia. White belly, green body. Nectarivore of forest edges and gardens. Found primarily on the Pacific slope of Central America and Colombia.