Coppery Metaltail vs Rufous-booted Racket-tail
Metallura theresiae so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Coppery Metaltail | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Metallura theresiae | 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 | 4,925000000000001 g (0.17 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of Peruvian cloud forest; forages at Ericaceae and epiphytic orchids. Gleans tiny arthropods 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
Coppery Metaltail only
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Coppery Metaltail
Deep, resonant trill with buzzing quality; powerful low-frequency churring vibrating through dense tropical vegetation.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Coppery Metaltail
Endemic to Peru in the Cordillera Negra region of the western Andes at 3,000–4,400 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
Coppery Metaltail
Rufous-booted Racket-tail
How to Tell Them Apart
Coppery Metaltail
Purple-throated Mountain-gem: tiny; males with brilliant blue-violet gorget; metallic green above; females green above; 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
Coppery Metaltail
A small hummingbird (9-10 cm) endemic to the Andes of central Peru at 2,500-3,800 m. Males have a coppery-bronze tail. Nectarivore of cloud forest and elfin forest edges. A Peruvian endemic. Named after the botanical collector Therese, Princess of Bavaria.
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.