Green-crowned Brilliant vs Rufous-booted Racket-tail
Heliodoxa jacula 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Green-crowned Brilliant | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Heliodoxa jacula | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 14.1 cm (5.6 in) | — |
| 体重 | 7.633333333333333 g (0.27 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Central American and Colombian cloud forest; visits diverse montane flowers. Catches small insects … | 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
Green-crowned Brilliant
Harsh, crackling buzz with emphatic onset; abrupt rough trill issuing from scrub then stopping sharply.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Green-crowned Brilliant
Found in humid foothill and lower montane forest from Costa Rica south through Colombia and Ecuador to Peru. 400–1,600 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
Green-crowned Brilliant
Rufous-booted Racket-tail
How to Tell Them Apart
Green-crowned Brilliant
Oasis Hummingbird: males with iridescent purple gorget; metallic bronze-green above; white underparts; females green above; spots
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
Green-crowned Brilliant
コスタリカからコロンビアにかけての中央アメリカと西コロンビアの太平洋斜面（標高200〜1,800 m）の雲霧林に生息するハチドリ（体長12〜13 cm）。雄は光沢のある緑色の羽衣と紫の喉のパッチを持つ。雲霧林・林縁の蜜食性。
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.