Purple-collared Woodstar vs Rufous-booted Racket-tail
Myrtis fanny so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Purple-collared Woodstar | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Myrtis fanny | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 7,9 cm (3.1 in) | — |
| Khối Lượng | 2,4 g (0.08 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of Andean foothills and inter-valley scrub; visits small tubular flowers. Supplements with tiny arthropods. | 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
Không
Purple-collared Woodstar only
Rufous-booted Racket-tail only
Song & Call Comparison
Purple-collared Woodstar
Harsh, grating buzz with mechanical quality; abrupt dry trill issued suddenly then stopping in sharp silence.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Purple-collared Woodstar
Found in open habitats, gardens, and scrub from southern Ecuador south through Peru to northwestern Chile. Sea level to 3,000 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
Purple-collared Woodstar
Rufous-booted Racket-tail
How to Tell Them Apart
Purple-collared Woodstar
White-tailed Sabrewing: males iridescent blue gorget; metallic green; white outer tail; 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
Purple-collared Woodstar
A tiny hummingbird (8-9 cm) found in arid western Peru and southwestern Ecuador at sea level to 2,500 m. Males have a purple collar. Nectarivore of desert scrub, gardens, and river valleys. Adapted to extremely arid coastal environments.
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.