Hooded Visorbearer vs Sword-billed Hummingbird
Augastes lumachella 对比 Ensifera ensifera
Side-by-Side Comparison
| 属性 | Hooded Visorbearer | Sword-billed Hummingbird |
|---|---|---|
| 学名 | Augastes lumachella | Ensifera ensifera |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 12.0 cm (4.7 in) | 15.3 cm (6.0 in) |
| 体重 | 4.4 g (0.16 oz) | 12.75 g (0.45 oz) |
| 食性 | Nectarivore specializing in montane campo rupestre blooms. Supplements nectar diet with small arthropods. | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … |
| 产卵数 | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Hooded Visorbearer
Harsh, buzzy chatter with raspy edge; rough notes interspersed with sharper chips in energetic vocal display.
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Geographic Range & Migration
Hooded Visorbearer
Endemic to the campo rupestre highlands of eastern Bahia, Brazil, in the Chapada Diamantina region. 800–1,600 m.
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
保护状况
Hooded Visorbearer
Sword-billed Hummingbird
How to Tell Them Apart
Hooded Visorbearer
Booted Racket-tail: males with elongated violet-blue racket tail feathers; glittering blue-violet gorget; white leg puffs; green body
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
About These Birds
Hooded Visorbearer
A small hummingbird (8-9 cm) endemic to the Chapada Diamantina highlands of Bahia, Brazil. Luminous golden-green forehead visor and dark plumage. Nectarivore of rocky campo rupestre habitats. Classified as Endangered due to extremely restricted range and habitat degradation.
Sword-billed Hummingbird
剑嘴蜂鸟。嘴与身体等长（8-10厘米）。栖息于安第斯云雾林。专门取食深处的西番莲花蜜。