Black-hooded Sunbeam vs Rufous-booted Racket-tail
Aglaeactis pamela verglichen mit Ocreatus addae
Side-by-Side Comparison
| Merkmal | Black-hooded Sunbeam | Rufous-booted Racket-tail |
|---|---|---|
| Wissenschaftlicher Name | Aglaeactis pamela | Ocreatus addae |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Not Evaluated |
| Länge | — | — |
| Flügelspannweite | 13,6 cm (5.4 in) | — |
| Gewicht | 5,5 g (0.19 oz) | 3,0 g (0.11 oz) |
| Ernährung | Nectarivore of Bolivian high-altitude scrub; forages at Chuquiraga and Ericaceae. Catches small insects opportunistically. | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Gelegegröße | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black-hooded Sunbeam
Deep, resonant churring with hollow quality; prolonged low buzzing trill carrying well through Andean scrub habitat.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Black-hooded Sunbeam
Endemic to Bolivia in high Andean puna of Cochabamba and La Paz at 3,200–4,600 m elevation.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Erhaltungsstatus
Black-hooded Sunbeam
Rufous-booted Racket-tail
About These Birds
Black-hooded Sunbeam
A medium-sized hummingbird (12-13 cm) endemic to the Andes of Bolivia at 2,500-3,500 m. Males have a distinctive black hood contrasting with iridescent coppery body. Nectarivore of montane cloud forest edges and scrub. A Bolivian endemic.
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.