Blue-throated Starfrontlet vs Rufous-booted Racket-tail
Coeligena helianthea so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Blue-throated Starfrontlet | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Coeligena helianthea | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 14,3 cm (5.6 in) | — |
| Khối Lượng | 6,775 g (0.24 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of Venezuelan Andean cloud forest; forages at Ericaceae and Brachyotum. Catches small arthropods near … | 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
Blue-throated Starfrontlet only
Không
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Blue-throated Starfrontlet
Melodic, ascending scale of clear notes; bright flute-like tones climbing smoothly in morning territorial singing.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Blue-throated Starfrontlet
Found in cloud forests of the eastern and central Andes of Colombia and adjacent Venezuela. 2,000–3,000 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
Blue-throated Starfrontlet
Rufous-booted Racket-tail
How to Tell Them Apart
Blue-throated Starfrontlet
Blue-mantled Thornbill: tiny; males with brilliant violet gorget; blue-metallic mantle; metallic green above; females pale 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
Blue-throated Starfrontlet
A medium-sized hummingbird (14-15 cm) found in Andean cloud forests from Venezuela to Colombia at 1,800-3,000 m. Males have a glittering blue throat and iridescent violet-blue forehead. Nectarivore of montane forest and forest edges. One of the most colorful incas.
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.