Rufous-booted Racket-tail vs White-browed Hermit
Ocreatus addae so với Phaethornis stuarti
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | White-browed Hermit |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Phaethornis stuarti |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 7,2 cm (2.8 in) |
| Khối Lượng | 3,0 g (0.11 oz) | 2,48 g (0.09 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore trap-lining Heliconia patches in humid lowland forest. Supplements with arthropods for breeding protein demands. |
| Số Trứng | 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.
White-browed Hermit
Deep, resonant trill with powerful carrying quality; rich vibrating sound audible at great distance in still air.
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.
White-browed Hermit
Endemic to Bolivia and adjacent southwestern Brazil in the Amazon basin. Found in lowland forest at 150–600 m elevation.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
White-browed Hermit
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.
White-browed Hermit
A small hermit hummingbird (10-11 cm) found in Andean foothill forests from Peru to Bolivia at 800-1,800 m elevation. Green plumage with white eyebrow stripe and buffy underparts. Nectarivore of cloud forest undergrowth. Named after the Austrian naturalist Karl Stuart.