Rufous-booted Racket-tail vs Ecuadorian Hillstar
Ocreatus addae so với Oreotrochilus chimborazo
Side-by-Side Comparison
| Thuộc Tính | Rufous-booted Racket-tail | Ecuadorian Hillstar |
|---|---|---|
| Tên Khoa Học | Ocreatus addae | Oreotrochilus chimborazo |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 14,8 cm (5.8 in) |
| Khối Lượng | 3,0 g (0.11 oz) | 8,383333333333333 g (0.30 oz) |
| Chế Độ Ăn | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of Ecuadorian highland páramo; visits Chuquiraga jussieui and Puya. Takes small insects on cold … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Rufous-booted Racket-tail only
Ecuadorian Hillstar only
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Ecuadorian Hillstar
Harsh, grating screech with urgent tone; sudden loud rough call given sharply during aerial chase sequences.
Geographic Range & Migration
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Ecuadorian Hillstar
Endemic to Chimborazo and neighboring volcanoes in Ecuador in high páramo at 3,500–5,200 m. Nationally iconic.
Tình Trạng Bảo Tồn
Rufous-booted Racket-tail
Ecuadorian Hillstar
How to Tell Them Apart
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
Ecuadorian Hillstar
Slender-tailed Woodstar: males with iridescent purple-violet gorget; metallic green body; white pectoral tufts; females green above
About These Birds
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.
Ecuadorian Hillstar
A medium-sized hummingbird (12-13 cm) endemic to the highlands of Ecuador at 3,500-5,200 m, notably on Chimborazo volcano. Males have a violet-blue hood and white breast. One of the world's highest-living birds, adapted to extreme altitude with enhanced oxygen-carrying capacity.