Coppery Emerald vs Rufous-booted Racket-tail
Chlorostilbon russatus so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Coppery Emerald | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Chlorostilbon russatus | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 8,7 cm (3.4 in) | — |
| Khối Lượng | 3,3 g (0.12 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of Venezuelan highlands, visiting small tubular flowers. Takes insects and spiders to supplement floral … | 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
Coppery Emerald
Sharp, piercing screech with shrill intensity; sudden loud rough call issuing during aerial territorial chase.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Coppery Emerald
Found in humid montane forests from Colombia to Venezuela at 600-2,000 m elevation. Resident in Andean foothills.
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 Emerald
Rufous-booted Racket-tail
How to Tell Them Apart
Coppery Emerald
Blue-green Hummingbird (Chionomesa): males with brilliant blue-green gorget; metallic green above; 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
Coppery Emerald
A small hummingbird (8-9 cm) found in humid montane forests from Colombia to Venezuela at 600-2,000 m. Bright copper-green plumage. Nectarivore of cloud forest edges and gardens. A relatively uncommon Andean foothill species.
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.