Rufous-booted Racket-tail vs White-bearded Hermit
Ocreatus addae so với Phaethornis hispidus
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | White-bearded Hermit |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Phaethornis hispidus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 10,8 cm (4.3 in) |
| Khối Lượng | 3,0 g (0.11 oz) | 4,975 g (0.18 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore visiting Heliconia, Costus, and banana flowers along forest understory routes. Takes small insects opportunistically. |
| Số Trứng | 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.
White-bearded Hermit
Sharp, staccato chips in rapid series; clean, emphatic notes delivered rhythmically without inflection or melodic variation.
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-bearded Hermit
Widespread in western Amazonia from Colombia and Venezuela south through Ecuador and Peru to Bolivia. Found at 100–1,000 m.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
White-bearded Hermit
How to Tell Them Apart
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
White-bearded Hermit
Mexican Hermit: olive-green above; pale whitish below; dark facial mask; white supercilium; pale buff-white supercilium; curved bill
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-bearded Hermit
A medium-sized hermit hummingbird (13-15 cm) found in lowland forests from Venezuela through Amazonia to Bolivia. Green plumage with a distinctive white beard-like throat stripe and long, white-tipped tail. Nectarivore of forest undergrowth, visiting Heliconia flowers.