Rufous-shafted Woodstar vs Rufous-booted Racket-tail
Chaetocercus jourdanii 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Rufous-shafted Woodstar | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Chaetocercus jourdanii | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 7.0 cm (2.8 in) | — |
| 体重 | 3.26 g (0.11 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Trinidad and northern South America, hovering at bromeliads and Heliconia. Supplements diet with … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous-shafted Woodstar
Deep, resonant single note with striking boldness; powerful tone ringing out clearly from exposed prominent perch.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Rufous-shafted Woodstar
Found in Andean highlands from Venezuela to Trinidad at 500-2,500 m elevation. Resident in montane forest edges and gardens.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
保护状况
Rufous-shafted Woodstar
Rufous-booted Racket-tail
How to Tell Them Apart
Rufous-shafted Woodstar
Calliope Hummingbird (endemic): tiny; males with glittering magenta gorget; metallic green above; females plain green above; spotted
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
Rufous-shafted Woodstar
红喉木星蜂鸟 (Chaetocercus jourdanii)，体长约6厘米。雄鸟喉部辉红色，腹部白色，上体绿色，尾短而分叉。分布于委内瑞拉、特立尼达和哥伦比亚北部。栖息于山地森林和灌木丛。以花蜜为主食。
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.