Rufous-booted Racket-tail vs Rufous-gaped Hillstar
Ocreatus addae 对比 Urochroa bougueri
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Rufous-gaped Hillstar |
|---|---|---|
| 学名 | Ocreatus addae | Urochroa bougueri |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 15.7 cm (6.2 in) |
| 体重 | 3.0 g (0.11 oz) | 11.35 g (0.40 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of Colombian and Ecuadorian montane forest; visits Ericaceae and Fuchsia blooms. Catches small arthropods. |
| 产卵数 | 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.
Rufous-gaped Hillstar
Thin, crystalline twittering with airy quality; light rapid notes cascading softly in animated aerial 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.
Rufous-gaped Hillstar
Found on the Pacific slope and western Andean ridge from Colombia south to Ecuador at 1,200–2,800 m.
保护状况
Rufous-booted Racket-tail
Rufous-gaped Hillstar
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.
Rufous-gaped Hillstar
A medium-sized hummingbird (13-14 cm) found in cloud forests of western Colombia and Ecuador at 1,000-2,200 m. Green plumage with rufous vent and long, deeply notched tail. Nectarivore of Chocó cloud forest. Named hillstar despite being a lowland-montane species.