Tourmaline Sunangel vs Rufous-booted Racket-tail
Heliangelus exortis so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Tourmaline Sunangel | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Heliangelus exortis | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 12,2 cm (4.8 in) | — |
| Khối Lượng | 5,3 g (0.19 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore visiting narrow tubular blooms of cloud-forest shrubs. Supplements diet with small spiders caught near … | 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
Tourmaline Sunangel only
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Tourmaline Sunangel
Melodic, two-note ascending call; pure first tone rising to brighter second note, given repeatedly with clear projection.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Tourmaline Sunangel
Found in cloud forests of Colombia and western Venezuela at 1,800–3,200 m. Fairly common in its limited range.
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
Tourmaline Sunangel
Rufous-booted Racket-tail
How to Tell Them Apart
Tourmaline Sunangel
Coppery Metaltail: shining coppery-green above; white underparts with cinnamon flanks; glittering violet gorget; females spotted throat
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
Tourmaline Sunangel
A small hummingbird (10-11 cm) found in Andean cloud forests from Colombia to Peru at 1,500-3,000 m. Males have a glittering multi-colored throat flashing green, orange, and purple like a tourmaline gemstone. Nectarivore of montane forest edges and Ericaceae-rich habitats.
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.