Sword-billed Hummingbird vs White-tipped Sicklebill
Ensifera ensifera 对比 Eutoxeres aquila
Side-by-Side Comparison
| 属性 | Sword-billed Hummingbird | White-tipped Sicklebill |
|---|---|---|
| 学名 | Ensifera ensifera | Eutoxeres aquila |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 15.3 cm (6.0 in) | 14.1 cm (5.6 in) |
| 体重 | 12.75 g (0.45 oz) | 11.366666666666667 g (0.40 oz) |
| 食性 | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Feeds on floral nectar and small invertebrates; males defend nectar-rich territories against other hummingbirds. |
| 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.
White-tipped Sicklebill
Rapid, sibilant twittering; light, feathery notes cascading quickly with barely perceptible pauses between loose phrases.
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.
White-tipped Sicklebill
Found in humid forests from Costa Rica south through Panama to western Ecuador. Resident at 200–1,600 m in dense undergrowth with Heliconia.
保护状况
Sword-billed Hummingbird
White-tipped Sicklebill
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
White-tipped Sicklebill
Dark brown and buff striped underparts; green-bronze upperparts; white-tipped tail feathers; extremely curved sickle-shaped bill; sexes similar; Andean heliconia specialist with diagnostic strongly decurved bill and boldly streaked underparts.
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。
White-tipped Sicklebill
白尖镰嘴蜂鸟，体长12-14厘米。嘴极度向下弯曲。栖息于哥斯达黎加至秘鲁的湿润森林。