Royal Sunangel vs Rufous-booted Racket-tail
Heliangelus regalis compared with Ocreatus addae
Side-by-Side Comparison
| Attribute | Royal Sunangel | Rufous-booted Racket-tail |
|---|---|---|
| Scientific Name | Heliangelus regalis | Ocreatus addae |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Near Threatened | Not Evaluated |
| Length | — | — |
| Wingspan | 10.4 cm (4.1 in) | — |
| Weight | 3.95 g (0.14 oz) | 3.0 g (0.11 oz) |
| Diet | Nectarivore of restricted Andean endemism zone; forages at sparse Ericaceae and Gentianaceae blooms. Supplements with … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Clutch Size | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Royal Sunangel
Buzzy, insect-like trill with pulsing quality; high-frequency vibration with slight amplitude modulation near blossoms.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Royal Sunangel
Endemic to a small area of the Río Marañón drainage in northern Peru at 1,800–2,800 m. Critically endangered.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Conservation Status
Royal Sunangel
Rufous-booted Racket-tail
How to Tell Them Apart
Royal Sunangel
Fire-throated Metaltail: males with glittering fire-red gorget; metallic green above; white pectoral tufts; females green with spots 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
Royal Sunangel
A stunning hummingbird (10-12 cm) endemic to a tiny range in the northern Peruvian Andes at 1,500-2,500 m. Males have a brilliant deep blue throat and forked tail. Classified as Endangered due to extremely restricted range in the Cordillera del Cóndor. Nectarivore of cloud forest.
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.