Rufous-booted Racket-tail vs Eastern Wedge-billed Hummingbird
Ocreatus addae 比較対象 Schistes geoffroyi
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Eastern Wedge-billed Hummingbird |
|---|---|---|
| 学名 | Ocreatus addae | Schistes geoffroyi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 9.8 cm (3.9 in) |
| 体重 | 3.0 g (0.11 oz) | 3.8 g (0.13 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of hilly forest interiors, probing small tubular blooms. Supplements with arthropods gleaned from bark … |
| 一腹卵数 | 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 Wedge-billed Hummingbird
Dry, clicking trill with mechanical regularity; rapid staccato notes evenly spaced in steady rhythm throughout day.
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 Wedge-billed Hummingbird
Found on the eastern Andean slope from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 800–2,000 m.
保全状況
Rufous-booted Racket-tail
Eastern Wedge-billed Hummingbird
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
Eastern Wedge-billed Hummingbird
Rufous-crested Coquette: males with shining rufous crest; glittering green gorget; bronze-green back; females with smaller rufous crest
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 Wedge-billed Hummingbird
A small hummingbird (8-9 cm) found in Andean cloud forests from Venezuela to Bolivia at 1,000-2,500 m. Green plumage with a wedge-shaped bill. Nectarivore of forest canopy and edges. The name refers to its laterally compressed, wedge-like bill tip.