Rainbow Starfrontlet vs Rufous-booted Racket-tail
Coeligena iris so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Rainbow Starfrontlet | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Coeligena iris | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 16,0 cm (6.3 in) | — |
| Khối Lượng | 7,266666666666667 g (0.26 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of Ecuadorian and Peruvian cloud forest; forages at Ericaceae and mossy shrub flowers. Takes … | 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
Rainbow Starfrontlet
Thin, sibilant trill sustained briefly; continuous high-frequency vibration then silence, barely perceptible in habitat.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Rainbow Starfrontlet
Found in cloud forests of southern Ecuador and northern Peru at 1,800–3,200 m elevation.
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
Rainbow Starfrontlet
Rufous-booted Racket-tail
How to Tell Them Apart
Rainbow Starfrontlet
Purple-backed Sunbeam (alt): males with iridescent purple gorget; metallic green above; purple back; females green above; spotted 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
Rainbow Starfrontlet
A medium-sized hummingbird (13-14 cm) found in the Andes of Peru and Ecuador at 1,800-3,200 m. Males display rainbow-like iridescence on the forehead, flashing different colors as light angle changes. Nectarivore of montane forest and scrub.
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.