Little Sunangel vs Rufous-booted Racket-tail
Heliangelus micraster เปรียบเทียบกับ Ocreatus addae
Side-by-Side Comparison
| คุณสมบัติ | Little Sunangel | Rufous-booted Racket-tail |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Heliangelus micraster | Ocreatus addae |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Not Evaluated |
| ความยาว | — | — |
| กว้างปีก | 12.7 cm (5.0 in) | — |
| น้ำหนัก | 3.8499999999999996 g (0.14 oz) | 3.0 g (0.11 oz) |
| อาหาร | Nectarivore of misty upper montane forest; forages at diverse epiphyte and shrub flowers. Gleans small … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Little Sunangel
Sharp, emphatic rattle with forceful delivery; rapid dry notes erupting suddenly then ceasing in abrupt silence.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Little Sunangel
Found in Andean cloud forests of southern Ecuador and northern Peru at 2,000–3,500 m. Locally common.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
สถานะการอนุรักษ์
Little Sunangel
Rufous-booted Racket-tail
How to Tell Them Apart
Little Sunangel
Tyrian Metaltail: males with glittering coppery-purple gorget; metallic bronze-green above; females green above with buff 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
Little Sunangel
A small hummingbird (9-10 cm) found in Andean cloud forests from Ecuador to Peru at 1,500-2,500 m. Males have a small violet gorget. Green plumage. Nectarivore of montane forest. The smallest sunangel species. Uncommon and poorly studied.
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.