Empress Brilliant vs Rufous-booted Racket-tail
Heliodoxa imperatrix 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Empress Brilliant | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Heliodoxa imperatrix | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 14.6 cm (5.7 in) | — |
| 体重 | 8.8 g (0.31 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Colombian Pacific slope cloud forest; forages at Ericaceae and Heliconia. Supplements with small … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 一腹卵数 | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Empress Brilliant
High, crystalline series of musical notes; clear bright sequence ascending smoothly in characteristically cheerful manner.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Empress Brilliant
Found on the Pacific slope of Colombia and Ecuador in humid lowland and foothill forest. Sea level to 1,200 m.
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
Empress Brilliant
Rufous-booted Racket-tail
How to Tell Them Apart
Empress Brilliant
Purple-collared Woodstar (alt): tiny; males with brilliant blue-violet gorget; metallic green above; females plain; pale 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
Empress Brilliant
コロンビアとエクアドルの太平洋斜面（標高200〜1,500 m）のチョコ雨林に生息する大型ハチドリ（体長14〜15 cm）。雄は輝く緑色の羽衣と深い紫の喉のパッチを持つ。体の大きさで属の中では最大。低地・丘陵雲霧林の蜜食性。
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.