Sword-billed Hummingbird vs Purple-backed Thornbill
Ensifera ensifera 对比 Ramphomicron microrhynchum
Side-by-Side Comparison
| 属性 | Sword-billed Hummingbird | Purple-backed Thornbill |
|---|---|---|
| 学名 | Ensifera ensifera | Ramphomicron microrhynchum |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 15.3 cm (6.0 in) | 10.2 cm (4.0 in) |
| 体重 | 12.75 g (0.45 oz) | 3.3 g (0.12 oz) |
| 食性 | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Nectarivore foraging at mossy treeline vegetation and compact Ericaceae blooms. Supplements with small insects. |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Purple-backed Thornbill
Bright, cheerful twittering with bubbling quality; light rapid notes cascading freely in animated display near flowers.
Geographic Range & Migration
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
Purple-backed Thornbill
Widespread in high Andean habitats from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 2,000–4,400 m.
保护状况
Sword-billed Hummingbird
Purple-backed Thornbill
How to Tell Them Apart
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
Purple-backed Thornbill
Steely-vented Hummingbird: males with iridescent ruby-red gorget; metallic green above; white postocular stripe; blue-steel tail
About These Birds
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。
Purple-backed Thornbill
A tiny hummingbird (8-9 cm) found in Andean cloud forests from Venezuela to Bolivia at 2,000-3,800 m. Males have iridescent purple back. Tiny, short bill. Nectarivore of high-elevation flowering shrubs. One of the smallest hummingbirds in the Andes.