Sword-billed Hummingbird vs Green-tailed Trainbearer
Ensifera ensifera 对比 Lesbia nuna
Side-by-Side Comparison
| 属性 | Sword-billed Hummingbird | Green-tailed Trainbearer |
|---|---|---|
| 学名 | Ensifera ensifera | Lesbia nuna |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 15.3 cm (6.0 in) | 10.3 cm (4.1 in) |
| 体重 | 12.75 g (0.45 oz) | 3.733333333333333 g (0.13 oz) |
| 食性 | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Nectarivore of montane hedgerows and scrub; forages at diverse shrub flowers. Catches small insects in … |
| 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.
Green-tailed Trainbearer
Melodic, rolling phrase with liquid quality; warm bubbly notes tumbling loosely in pleasant continuous musical sequence.
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.
Green-tailed Trainbearer
Widespread in open Andean habitats from Colombia south through Ecuador, Peru, and Bolivia. 1,500–4,000 m elevation.
保护状况
Sword-billed Hummingbird
Green-tailed Trainbearer
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
Green-tailed Trainbearer
Chiribiqute Emerald: tiny; males with iridescent violet gorget; metallic bronze-green above; white underparts; females green with spots
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。
Green-tailed Trainbearer
A medium-sized hummingbird (10 cm body + tail in males) found in Andean highlands from Venezuela to Peru at 2,000-3,800 m. Males have long green tail streamers, shorter than Black-tailed Trainbearer. Nectarivore of scrubby hillsides, gardens, and cloud forest edges.