Santa Marta Woodstar vs Rufous-booted Racket-tail
Chaetocercus astreans 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Santa Marta Woodstar | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Chaetocercus astreans | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 6.7 cm (2.6 in) | — |
| 体重 | 2.605 g (0.09 oz) | 3.0 g (0.11 oz) |
| 食性 | Endemic to the Sierra Nevada de Santa Marta; feeds on highland floral nectar and supplements … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Santa Marta Woodstar
Rapid, mechanical clicking trill; quick even staccato notes in steady dry rhythm throughout active day.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Santa Marta Woodstar
Endemic to the Sierra Nevada de Santa Marta, Colombia, at 1,200-3,000 m elevation. Found nowhere else in the world.
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
Santa Marta Woodstar
Rufous-booted Racket-tail
How to Tell Them Apart
Santa Marta Woodstar
Bahama Woodstar (alt): tiny; males with glittering magenta-rose gorget; metallic green above; white underparts; females 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
Santa Marta Woodstar
圣玛尔塔木星蜂鸟 (Chaetocercus astreans)，体长约6厘米。雄鸟喉部辉紫色，其余体羽绿色，尾羽细而分叉。特有于哥伦比亚圣玛尔塔山脉的高海拔山地。以花蜜为主食，悬停采蜜。为受威胁物种。
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.