Rufous-booted Racket-tail vs Tawny-bellied Hermit
Ocreatus addae 比較対象 Phaethornis syrmatophorus
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Tawny-bellied Hermit |
|---|---|---|
| 学名 | Ocreatus addae | Phaethornis syrmatophorus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 12.2 cm (4.8 in) |
| 体重 | 3.0 g (0.11 oz) | 7.35 g (0.26 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore with elongated bill suited to pendant tubular flowers. Gleans small spiders and mites from … |
| 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.
Tawny-bellied Hermit
High, crystalline twittering with silvery quality; rapid light notes cascading brightly in animated aerial display sequences.
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.
Tawny-bellied Hermit
Found on the eastern Andean slope in Colombia, Ecuador, and Peru in foothill and lower montane forest. 700–1,800 m elevation.
保全状況
Rufous-booted Racket-tail
Tawny-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
Tawny-bellied Hermit
Stripe-throated Hermit: iridescent violet-blue throat in males; metallic bronze-green above; white postocular stripe; white-spotted throat
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.
Tawny-bellied Hermit
コロンビアとエクアドルのアンデス西斜面に生息するハチドリで、羽衣ハーミットとも呼ばれる。雲霧林に生息し、長い尾羽が特徴的。