Buff-thighed Puffleg vs Rufous-booted Racket-tail
Haplophaedia assimilis 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Buff-thighed Puffleg | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Haplophaedia assimilis | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 11.4 cm (4.5 in) | — |
| 体重 | 5.05 g (0.18 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Peruvian montane forest; forages at Ericaceae and bromeliads. Supplements diet 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
Buff-thighed Puffleg
Melodic, two-note descending call; pure warm tones stepping down smoothly, given at regular intervals from perch.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Buff-thighed Puffleg
Found on the eastern Andean slope in Peru in lower montane and foothill forest. 600–2,200 m elevation.
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
Buff-thighed Puffleg
Rufous-booted Racket-tail
How to Tell Them Apart
Buff-thighed Puffleg
Brown Violetear: males with glittering violet gorget; metallic bronze-green above; violet ear tufts; 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
Buff-thighed Puffleg
杜邦腿羽蜂鸟分布于秘鲁和玻利维亚安第斯山脉东坡的云雾林。体型小，羽色绿色，腿具白色羽毛，具长而直的喙。以花蜜为食，也取食昆虫补充蛋白质。生活在高海拔的云雾林地带，具有领域性。
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.