Black-hooded Sunbeam vs Sword-billed Hummingbird
Aglaeactis pamela verglichen mit Ensifera ensifera
Side-by-Side Comparison
| Merkmal | Black-hooded Sunbeam | Sword-billed Hummingbird |
|---|---|---|
| Wissenschaftlicher Name | Aglaeactis pamela | Ensifera ensifera |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 13,6 cm (5.4 in) | 15,3 cm (6.0 in) |
| Gewicht | 5,5 g (0.19 oz) | 12,75 g (0.45 oz) |
| Ernährung | Nectarivore of Bolivian high-altitude scrub; forages at Chuquiraga and Ericaceae. Catches small insects opportunistically. | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … |
| Gelegegröße | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Gemeinsame Lebensräume
Black-hooded Sunbeam only
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Sword-billed Hummingbird only
Song & Call Comparison
Black-hooded Sunbeam
Deep, resonant churring with hollow quality; prolonged low buzzing trill carrying well through Andean scrub habitat.
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
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.
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
Erhaltungsstatus
Black-hooded Sunbeam
Sword-billed Hummingbird
How to Tell Them Apart
Black-hooded Sunbeam
Hoary Puffleg: males with brilliant white pufflegs; glittering violet gorget; metallic green above; females green above; spotted below
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
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.
Sword-billed Hummingbird
A remarkable hummingbird (14-15 cm body) with a bill as long as its body (8-10 cm), the longest bill relative to body size of any bird. Found in Andean cloud forests from Venezuela to Bolivia at 1,700-3,500 m. The extraordinarily long bill evolved to feed on deep tubular Passiflora flowers.