Rufous-booted Racket-tail vs Magenta-throated Woodstar
Ocreatus addae 比較対象 Philodice bryantae
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Magenta-throated Woodstar |
|---|---|---|
| 学名 | Ocreatus addae | Philodice bryantae |
| 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) | 3.4 g (0.12 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore hovering at tubular blossoms in highland forest clearings. Takes small flies and spiders to … |
| 一腹卵数 | 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.
Magenta-throated Woodstar
Thin, sibilant twittering with silvery quality; high airy notes cascading softly near flowering shrubs.
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.
Magenta-throated Woodstar
Endemic to the highlands of Costa Rica and western Panama at 1,000-2,200 m elevation. Resident in cloud forest edges and gardens.
保全状況
Rufous-booted Racket-tail
Magenta-throated Woodstar
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.
Magenta-throated Woodstar
コスタリカとパナマの太平洋低地に限定して生息する希少なハチドリで、Magentaスロートハチドリとも呼ばれる。特定の花を縄張りとして防衛する。