Lazuline Sabrewing vs Rufous-booted Racket-tail
Campylopterus falcatus 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Lazuline Sabrewing | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Campylopterus falcatus | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 13.0 cm (5.1 in) | — |
| 体重 | 7.1 g (0.25 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Andean cloud forest in Colombia and Venezuela, visiting Heliconia and bromeliads. Takes insects … | 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
Lazuline Sabrewing
Pure, bell-like tone sustained clearly; single resonant note ringing out in open lowland then fading.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Lazuline Sabrewing
Found in Andean cloud forests from Venezuela to Peru at 1,000-2,400 m elevation. Resident in montane forest.
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
Lazuline Sabrewing
Rufous-booted Racket-tail
How to Tell Them Apart
Lazuline Sabrewing
Great Indian Bustard: males with white neck and breast; brown-black crown; sandy-brown upperparts; black belly spotting; large size
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
Lazuline Sabrewing
蔚蓝刀翅蜂鸟，体长12–13厘米，雄鸟喉部蓝宝石色，分布于委内瑞拉至秘鲁安第斯山海拔1,000–2,400米。
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.