Black-throated Brilliant vs Rufous-booted Racket-tail
Heliodoxa schreibersii 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Black-throated Brilliant | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Heliodoxa schreibersii | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 13.9 cm (5.5 in) | — |
| 体重 | 8.5 g (0.30 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Amazonian foothill forest; visits large-flowered shrubs and epiphytes. Supplements with small arthropods. | 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
Black-throated Brilliant
Buzzy, sustained trill with insect-like monotony; continuous low vibration with minimal variation throughout delivery.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Black-throated Brilliant
Found in lowland and foothill humid forest from Colombia south through Ecuador, Peru, and Bolivia. 0–1,400 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
Black-throated Brilliant
Rufous-booted Racket-tail
How to Tell Them Apart
Black-throated Brilliant
Giant Hummingbird (alt): males with iridescent blue gorget; metallic green; very large; white rump; females plain green; 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
Black-throated Brilliant
アマゾン盆地の縁辺と東アンデスの麓（コロンビアからボリビア）（標高200〜1,000 m）の低地・丘陵林に生息するハチドリ（体長11〜12 cm）。雄は光沢のある緑色の羽衣と青い喉のパッチを持つ。低地・丘陵林の蜜食性。シュライバーズにちなんで命名。
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.