Buff-thighed Puffleg vs Rufous-booted Racket-tail
Haplophaedia assimilis so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Buff-thighed Puffleg | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Haplophaedia assimilis | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 11,4 cm (4.5 in) | — |
| Khối Lượng | 5,05 g (0.18 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | 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 … |
| Số Trứng | 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.
Tình Trạng Bảo Tồn
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
A small hummingbird (10-11 cm) found in Andean cloud forests from Peru to Bolivia at 1,000-2,500 m. Green plumage with buff-colored leg puffs. Nectarivore of montane forest undergrowth and edges. Closely related to Greenish Puffleg. An Andean foothill specialist.
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.