Glittering Starfrontlet vs Rufous-booted Racket-tail
Coeligena orina 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Glittering Starfrontlet | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Coeligena orina | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Endangered | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 14.5 cm (5.7 in) | — |
| 体重 | 6.95 g (0.25 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of high Colombian cloud forest; forages at dense Ericaceae patches. Catches small flies near … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Glittering Starfrontlet
Sharp, emphatic rattle with forceful onset; rapid dry notes erupting suddenly during active territorial confrontation.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Glittering Starfrontlet
Known from a single locality in western Colombia (Farallones de Citará) at 2,400–3,000 m. Critically endangered.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
保全状況
Glittering Starfrontlet
Rufous-booted Racket-tail
How to Tell Them Apart
Glittering Starfrontlet
White-tailed Hillstar: males with glittering violet gorget; metallic green above; white tail patches; females green with spotted below
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
About These Birds
Glittering Starfrontlet
A medium-sized hummingbird (13-14 cm) endemic to the western Andes of Colombia at 3,100-3,500 m. Males have a glittering golden-green forehead. Nectarivore of cloud forest. Critically Endangered due to extremely small known range in the Farallones del Citará.
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.