Hyacinth Visorbearer vs Sword-billed Hummingbird
Augastes scutatus 对比 Ensifera ensifera
Side-by-Side Comparison
| 属性 | Hyacinth Visorbearer | Sword-billed Hummingbird |
|---|---|---|
| 学名 | Augastes scutatus | Ensifera ensifera |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 10.7 cm (4.2 in) | 15.3 cm (6.0 in) |
| 体重 | 3.3 g (0.12 oz) | 12.75 g (0.45 oz) |
| 食性 | Nectarivore of Brazilian cerrado flowers, particularly Vellozia and Qualea. Catches small insects near rocky outcrops. | 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
Hyacinth Visorbearer
Soft, pure sustained tone with gentle vibrato; single melodic note trembling slightly, typical of quiet upland forest perches.
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Geographic Range & Migration
Hyacinth Visorbearer
Endemic to the campo rupestre of the Espinhaço Range in Minas Gerais, Brazil. Found at 900–1,600 m elevation.
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
保护状况
Hyacinth Visorbearer
Sword-billed Hummingbird
How to Tell Them Apart
Hyacinth Visorbearer
Velvet-purple Coronet: brilliant velvety purple head; glittering green gorget; iridescent purple body; white underparts; straight bill
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
About These Birds
Hyacinth Visorbearer
A small hummingbird (8-9 cm) endemic to the highlands of southeastern Brazil, particularly Minas Gerais. Iridescent hyacinth-blue forehead visor and green plumage. Nectarivore of rocky campo rupestre habitats with sparse vegetation. Classified as Near Threatened.
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。