Sword-billed Hummingbird vs Blue-chested Hummingbird
Ensifera ensifera 对比 Polyerata amabilis
Side-by-Side Comparison
| 属性 | Sword-billed Hummingbird | Blue-chested Hummingbird |
|---|---|---|
| 学名 | Ensifera ensifera | Polyerata amabilis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 15.3 cm (6.0 in) | — |
| 体重 | 12.75 g (0.45 oz) | 4.15 g (0.15 oz) |
| 食性 | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Feeds on nectar from diverse forest flowers, hovering briefly at each bloom. Takes 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.
Blue-chested Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well through broad-leafed tropical forest.
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.
Blue-chested Hummingbird
Found in humid lowland forests from Honduras to Ecuador. Resident in Caribbean lowland forests.
保护状况
Sword-billed Hummingbird
Blue-chested Hummingbird
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
Blue-chested Hummingbird
Andaman Coucal (alt): dark glossy brown above; rufous wings; pale below; long dark tail; red eye; Andaman island endemic
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。
Blue-chested Hummingbird
A small hummingbird (8-9 cm) found in humid lowland forests from Honduras to Ecuador. Males have a bright blue breast patch. Green plumage. Nectarivore of forest undergrowth and edges. Found primarily in Caribbean lowland forests.