White-tufted Sunbeam vs Rufous-booted Racket-tail
Aglaeactis castelnaudii 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | White-tufted Sunbeam | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Aglaeactis castelnaudii | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Near Threatened | Not Evaluated |
| 体长 | — | — |
| 翼展 | 14.8 cm (5.8 in) | — |
| 体重 | 7.35 g (0.26 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Peruvian high-altitude scrub; forages at Chuquiraga and Ericaceae blooms. Supplements with small arthropods. | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-tufted Sunbeam
Melodic, pure ascending phrase; clear flute-like tones rising smoothly in quiet musical sequence at high altitude.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
White-tufted Sunbeam
Endemic to Peru in high Andean puna and scrub, primarily in the Apurímac and Ayacucho regions. 3,200–5,000 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
保护状况
White-tufted Sunbeam
Rufous-booted Racket-tail
About These Birds
White-tufted Sunbeam
铜紫辉蜂鸟（Aglaeactis castelnaudii），体长12-13厘米，分布于秘鲁和玻利维亚安第斯山脉，海拔2,700至4,000米。属蜂鸟科（Trochilidae），背部具铜紫色辉光，是高安第斯特有种。
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.