Rufous-booted Racket-tail vs Green Hermit
Ocreatus addae 比較対象 Phaethornis guy
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Green Hermit |
|---|---|---|
| 学名 | Ocreatus addae | Phaethornis guy |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 11.8 cm (4.6 in) |
| 体重 | 3.0 g (0.11 oz) | 5.416666666666667 g (0.19 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore trap-lining Heliconia patches in humid lowland forest. Supplements with arthropods for breeding protein demands. |
| 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.
Green Hermit
Harsh, screaming trill with urgent intensity; loud, rough notes escalating quickly during territorial disputes near flowers.
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.
Green Hermit
Found in humid foothill forests from Trinidad and Costa Rica south through Colombia, Venezuela, and Ecuador to Bolivia. 200–1,800 m.
保全状況
Rufous-booted Racket-tail
Green 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
Green Hermit
Western Long-tailed Hermit: metallic green above; buff-white below; forked dark tail with pale edges; white postocular stripe; curved 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.
Green Hermit
中米から南米北部の熱帯雨林に生息するハチドリで、グリーンハーミットとも呼ばれる。沢沿いや密生した低木林に生息し、ヘリコニアの花を好んで採食する。