Rufous-booted Racket-tail vs Eastern Mountaineer
Ocreatus addae compared with Oreonympha nobilis
Side-by-Side Comparison
| Attribute | Rufous-booted Racket-tail | Eastern Mountaineer |
|---|---|---|
| Scientific Name | Ocreatus addae | Oreonympha nobilis |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Not Evaluated | Least Concern |
| Length | — | — |
| Wingspan | — | 16.0 cm (6.3 in) |
| Weight | 3.0 g (0.11 oz) | 8.333333333333334 g (0.29 oz) |
| Diet | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of Andean dry valley scrub; visits Cactaceae, Puya, and Chuquiraga flowers. Catches small insects … |
| Clutch Size | 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.
Eastern Mountaineer
Harsh, nasal chatter with buzzy overtone; rough emphatic notes delivered rapidly with raw coarse texture.
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.
Eastern Mountaineer
Endemic to Peru in the upper Apurímac and Urubamba drainages in arid high-altitude scrub. 2,500–4,000 m elevation.
Conservation Status
Rufous-booted Racket-tail
Eastern Mountaineer
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.
Eastern Mountaineer
A medium-sized hummingbird (12-14 cm) endemic to the Andes of Peru at 2,800-4,500 m. Brown plumage with iridescent throat patch and long, forked tail. Nectarivore of puna scrub and Polylepis woodland. The only member of its genus. A Peruvian endemic.