Purple-crowned Fairy vs Rufous-booted Racket-tail
Heliothryx barroti 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Purple-crowned Fairy | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Heliothryx barroti | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 12.8 cm (5.0 in) | — |
| 体重 | 5.48 g (0.19 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore specializing in high canopy flowers and bromeliads. Pierces flower bases to rob nectar; supplements … | 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
Purple-crowned Fairy
Buzzy, insect-like trill sustained monotonously; continuous high-frequency vibration with little dynamic range throughout.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Purple-crowned Fairy
Found in lowland humid forest from southern Mexico through Central America to western Ecuador and western Colombia. 0–800 m.
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
Purple-crowned Fairy
Rufous-booted Racket-tail
How to Tell Them Apart
Purple-crowned Fairy
White-tailed Goldenthroat: males with glittering golden-green gorget; metallic green above; white-tipped tail; females green with 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
Purple-crowned Fairy
紫冠仙蜂鸟分布于中美洲至哥伦比亚和厄瓜多尔的热带低地雨林。雄鸟头顶具紫色光泽，体羽翠绿，腹部白色，尾长分叉。以花蜜为主食，也取食昆虫。栖息于森林冠层，飞行时尾羽随风飘曳。
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.