Indigo-capped Hummingbird vs Rufous-booted Racket-tail
Amazilia cyanifrons 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Indigo-capped Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Amazilia cyanifrons | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 11.2 cm (4.4 in) | — |
| 体重 | 5.0 g (0.18 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Colombian Andes foothills; visits diverse lowland blossoms and supplements with small arthropods. | 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
Indigo-capped Hummingbird
Buzzy, sustained monotone trill; continuous low vibration with minimal variation across delivery period.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Indigo-capped Hummingbird
Found in humid forests of Colombia at 500-1,800 m elevation. A Colombian near-endemic of Andean foothills.
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
Indigo-capped Hummingbird
Rufous-booted Racket-tail
About These Birds
Indigo-capped Hummingbird
蓝额蜂鸟（Amazilia cyanifrons），体长9-10厘米，分布于哥伦比亚海拔500至1,800米的湿润森林中。属蜂鸟科（Trochilidae），雄鸟前额具蓝色辉光，是哥伦比亚的特有种。
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.