Sword-billed Hummingbird vs White-bearded Helmetcrest
Ensifera ensifera 对比 Oxypogon lindenii
Side-by-Side Comparison
| 属性 | Sword-billed Hummingbird | White-bearded Helmetcrest |
|---|---|---|
| 学名 | Ensifera ensifera | Oxypogon lindenii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 15.3 cm (6.0 in) | 14.4 cm (5.7 in) |
| 体重 | 12.75 g (0.45 oz) | 4.8 g (0.17 oz) |
| 食性 | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Nectarivore restricted to high Sierra Nevada de Santa Marta páramo. Visits sparse Espeletia blooms; supplements … |
| 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-bearded Helmetcrest
Soft, melodic ascending call; gentle pure tones rising gradually in unhurried musical sequence at forest edge.
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-bearded Helmetcrest
Endemic to the Venezuelan Andes of Mérida in high páramo at 3,000–4,600 m. Restricted range.
保护状况
Sword-billed Hummingbird
White-bearded Helmetcrest
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-bearded Helmetcrest
Berylline Hummingbird: males with iridescent beryl-green gorget and head; metallic green; rufous wings; females duller with spotted throat
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-bearded Helmetcrest
A small hummingbird (11-12 cm) endemic to the Andes of western Venezuela (Mérida and Trujillo) at 3,500-4,700 m. Males have a white beard and erect crest. Nectarivore of páramo, visiting Espeletia frailejón. A Venezuelan highland endemic.