Scaled Metaltail vs Rufous-booted Racket-tail
Metallura aeneocauda so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Scaled Metaltail | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Metallura aeneocauda | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 11,7 cm (4.6 in) | — |
| Khối Lượng | 5,300000000000001 g (0.19 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of high Bolivian and Peruvian shrublands; forages at Ericaceae and Lupinus. Supplements with small … | 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
Scaled Metaltail
Rapid, bright chips in cheerful sequence; light staccato notes with buoyant quality delivered during foraging activity.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Scaled Metaltail
Found in high Andean scrub and puna from southern Peru south through Bolivia to northwestern Argentina. 3,000–4,800 m.
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
Scaled Metaltail
Rufous-booted Racket-tail
How to Tell Them Apart
Scaled Metaltail
Garnet-throated Hummingbird: males with iridescent violet gorget; metallic green above; garnet-red wings; females green above; spotted
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
Scaled Metaltail
A small hummingbird (10-11 cm) found in Andean cloud forests from Peru to Bolivia at 2,500-4,000 m. Green plumage with bronze-green tail, appearing scaled. Nectarivore of montane forest and páramo edges. Found in Polylepis woodland and elfin forest.
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.