Rufous-booted Racket-tail vs Sooty-capped Hermit
Ocreatus addae so với Phaethornis augusti
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Sooty-capped Hermit |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Phaethornis augusti |
| 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) | 4,916666666666667 g (0.17 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore specializing in Heliconia and other curved tubular flowers. Supplements diet with small spiders and … |
| 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.
Sooty-capped Hermit
Rough, scratchy chatter with coarse texture; series of dry notes scraping together in loose rhythm near nest site.
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.
Sooty-capped Hermit
Found in arid scrub and forest edges of northern Venezuela and adjacent Colombia, including Margarita Island. Sea level to 1,200 m.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Sooty-capped 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
Sooty-capped Hermit
Great-billed Hermit: tawny underparts; greenish-olive crown; dark mask; white supercilium; massive decurved reddish-based bill; long tail
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.
Sooty-capped Hermit
A medium-sized hermit hummingbird (12-14 cm) found in montane forests from Venezuela to Peru at 800-2,400 m elevation. Dark sooty cap contrasting with green body and rufous rump. Nectarivore of forest undergrowth and edges. Known for its deep, resonant song.