White-tufted Sunbeam vs Rufous-booted Racket-tail
Aglaeactis castelnaudii مقارنةً بـ Ocreatus addae
Side-by-Side Comparison
| السمة | White-tufted Sunbeam | Rufous-booted Racket-tail |
|---|---|---|
| الاسم العلمي | Aglaeactis castelnaudii | Ocreatus addae |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Trochilidae | Trochilidae |
| حالة الحفاظ | Near Threatened | Not Evaluated |
| الطول | — | — |
| طول الجناح | 14,8 cm (5.8 in) | — |
| الوزن | 7,35 g (0.26 oz) | 3,0 g (0.11 oz) |
| النظام الغذائي | 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 … |
| عدد البيض في الوضع | -- | 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.
حالة الحفاظ
White-tufted Sunbeam
Rufous-booted Racket-tail
About These Birds
White-tufted Sunbeam
A medium-sized hummingbird (12-13 cm) found in the Andes of Peru and Bolivia at 2,700-4,000 m. Coppery plumage with white breast tufts visible during courtship display. Nectarivore of montane scrub and Polylepis woodland. A Peruvian-Bolivian endemic.
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.