Buff-winged Starfrontlet vs Rufous-booted Racket-tail
Coeligena lutetiae so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Buff-winged Starfrontlet | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Coeligena lutetiae | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 15,5 cm (6.1 in) | — |
| Khối Lượng | 7,025 g (0.25 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of Peruvian montane Ericaceae-rich forest. Supplements nectar with small insects and spiders gleaned from … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Buff-winged Starfrontlet only
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Buff-winged Starfrontlet
Deep, hollow churring with resonant character; prolonged buzzing sound vibrating persistently through Andean polylepis.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Buff-winged Starfrontlet
Found in high Andean cloud forests of Ecuador and Colombia at 2,400–3,600 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-winged Starfrontlet
Rufous-booted Racket-tail
How to Tell Them Apart
Buff-winged Starfrontlet
Andean Hillstar: males with iridescent multicolored gorget; metallic green above; white flanks; females green above; spotted buff 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-winged Starfrontlet
A medium-sized hummingbird (13-14 cm) found in Andean cloud forests from Colombia to Peru at 2,400-3,500 m. Green plumage with buff-colored wing patches visible in flight. Nectarivore of montane forest and páramo edges.
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.