Western Emerald vs Rufous-booted Racket-tail
Chlorostilbon melanorhynchus so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Western Emerald | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Chlorostilbon melanorhynchus | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | — |
| Khối Lượng | 2,675 g (0.09 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of western Colombian and Ecuadorian forest. Supplements diet with small arthropods caught near blossoms. | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Western Emerald
Melodic, ascending phrase with hopeful character; smooth pure tones rising in clear musical progression at dawn.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Western Emerald
Found from Panama to Peru along the western Andean foothills. Resident in forest edges and gardens at low to mid elevations.
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
Western Emerald
Rufous-booted Racket-tail
How to Tell Them Apart
Western Emerald
White-chested Emerald: males with iridescent green gorget; metallic green above; white chest; females green above; spotted white 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
Western Emerald
A small hummingbird (8-9 cm) found from Panama to Peru in western Andean foothills. Bright emerald-green plumage with dark tail. Nectarivore of forest edges and gardens. Closely related to other Chlorostilbon emeralds. A Chocó and western Andean 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.