Sword-billed Hummingbird vs Fork-tailed Woodnymph
Ensifera ensifera 对比 Thalurania furcata
Side-by-Side Comparison
| 属性 | Sword-billed Hummingbird | Fork-tailed Woodnymph |
|---|---|---|
| 学名 | Ensifera ensifera | Thalurania furcata |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 15.3 cm (6.0 in) | 10.9 cm (4.3 in) |
| 体重 | 12.75 g (0.45 oz) | 4.4 g (0.16 oz) |
| 食性 | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Widespread Amazonian nectarivore visiting diverse forest-floor flowers. Supplements with insects and spiders caught in flight. |
| 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.
Fork-tailed Woodnymph
Buzzy, insect-like trill with monotonous quality; sustained rapid vibration with minimal melodic content.
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.
Fork-tailed Woodnymph
Widely distributed in humid forests from Venezuela through Amazonia to Brazil, Bolivia, and Argentina. Resident.
保护状况
Sword-billed Hummingbird
Fork-tailed Woodnymph
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
Fork-tailed Woodnymph
Blue Bustard: males with slate-blue neck and breast; brown-vermiculated above; white belly; females brown above; pale below
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。
Fork-tailed Woodnymph
A medium-sized hummingbird (10-11 cm) widely distributed in humid forests from Venezuela through Amazonia to Brazil, Bolivia, and Argentina. Males have violet-blue underparts and green crown. Deeply forked tail. Nectarivore of forest edges and gardens.