White-bellied Woodstar vs Rufous-booted Racket-tail
Chaetocercus mulsant so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | White-bellied Woodstar | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Chaetocercus mulsant | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 7,8 cm (3.1 in) | — |
| Khối Lượng | 3,9 g (0.14 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Feeds on floral nectar in Andean cloud forest, favouring small-flowered herbs. Supplements with spiders and … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
White-bellied Woodstar only
Rufous-booted Racket-tail only
Không
Song & Call Comparison
White-bellied Woodstar
Melodic, pure ascending phrase with bright character; clear notes rising smoothly in animated morning territorial song.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
White-bellied Woodstar
Found in Andean cloud forests from Colombia to Bolivia at 1,500-3,500 m elevation. Resident across the northern and central Andes.
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
White-bellied Woodstar
Rufous-booted Racket-tail
How to Tell Them Apart
White-bellied Woodstar
Beautiful Sheartail: males with brilliant violet-purple gorget; metallic green above; white underparts; 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
White-bellied Woodstar
A tiny hummingbird (7-8 cm) found in Andean cloud forests from Colombia to Bolivia at 1,500-3,500 m. Males have a white belly and iridescent gorget. Nectarivore of forest edges and flowering shrubs. One of the most widespread Andean woodstars.
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.