Rufous-booted Racket-tail vs Straight-billed Hermit
Ocreatus addae so với Phaethornis bourcieri
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Straight-billed Hermit |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Phaethornis bourcieri |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 11,0 cm (4.3 in) |
| Khối Lượng | 3,0 g (0.11 oz) | 4,2 g (0.15 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of long-tubed lowland flowers, especially Heliconia. Gleans small insects and spiders from leaf surfaces. |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Rufous-booted Racket-tail only
Không
Straight-billed Hermit only
Không
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Straight-billed Hermit
Crisp, musical chip note with ringing quality; single bright note repeated at measured intervals from prominent perch.
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.
Straight-billed Hermit
Widespread in lowland Amazonia from Colombia and Venezuela south through Ecuador, Peru, and Bolivia to Brazil. 0–800 m.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Straight-billed 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
Straight-billed Hermit
Cinnamon-throated Hermit: deep iridescent violet crown; glittering green gorget; cinnamon-buff throat; buff-white undertail; decurved 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.
Straight-billed Hermit
A medium-sized hermit hummingbird (13-15 cm) found in humid lowland forests from Venezuela through Amazonia to Bolivia. Green plumage with a notably straight bill, unusual among hermits. Nectarivore of forest undergrowth. Named after the French naturalist Jules Bourcier.