Tourmaline Sunangel vs Rufous-booted Racket-tail
Heliangelus exortis 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Tourmaline Sunangel | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Heliangelus exortis | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 12.2 cm (4.8 in) | — |
| 体重 | 5.3 g (0.19 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore visiting narrow tubular blooms of cloud-forest shrubs. Supplements diet with small spiders caught near … | 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
Tourmaline Sunangel
Melodic, two-note ascending call; pure first tone rising to brighter second note, given repeatedly with clear projection.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Tourmaline Sunangel
Found in cloud forests of Colombia and western Venezuela at 1,800–3,200 m. Fairly common in its limited range.
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
Tourmaline Sunangel
Rufous-booted Racket-tail
How to Tell Them Apart
Tourmaline Sunangel
Coppery Metaltail: shining coppery-green above; white underparts with cinnamon flanks; glittering violet gorget; females spotted throat
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
Tourmaline Sunangel
丝光太阳天使蜂鸟分布于哥伦比亚安第斯山脉的云雾林地带。雄鸟喉部具彩虹光泽，体羽翠绿，腹部较淡。栖息于高海拔的森林和灌丛，以花蜜为食，也取食昆虫。是哥伦比亚安第斯山区的特有蜂鸟。
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.