Rufous-booted Racket-tail vs Pale-bellied Hermit
Ocreatus addae so với Phaethornis anthophilus
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Pale-bellied Hermit |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Phaethornis anthophilus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 11,4 cm (4.5 in) |
| Khối Lượng | 3,0 g (0.11 oz) | 5,166666666666667 g (0.18 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore adapted to curved corolla flowers via trap-lining. Supplements nectar with small spiders caught near … |
| 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.
Pale-bellied Hermit
Soft, pure tones in slow deliberate sequence; each note clearly separated, musical and unhurried, issued at twilight.
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.
Pale-bellied Hermit
Found in northern Colombia and Venezuela in dry deciduous forest and scrub. Sea level to 1,000 m elevation.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Pale-bellied 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
Pale-bellied Hermit
Baron's Hermit: sooty brown overall; buffy-white supercilium; pale-streaked throat; rufous belly patch; elongated decurved black 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.
Pale-bellied Hermit
A medium-sized hermit hummingbird (12-14 cm) found in dry forests and scrublands of Colombia, Venezuela, and Panama. Pale belly, green upperparts, and a long curved bill. Nectarivore of dry forest undergrowth and edges. One of the few hermits adapted to arid habitats.