Sword-billed Hummingbird vs Glow-throated Hummingbird
Ensifera ensifera 对比 Selasphorus ardens
Side-by-Side Comparison
| 属性 | Sword-billed Hummingbird | Glow-throated Hummingbird |
|---|---|---|
| 学名 | Ensifera ensifera | Selasphorus ardens |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Endangered |
| 体长 | — | — |
| 翼展 | 15.3 cm (6.0 in) | 8.0 cm (3.1 in) |
| 体重 | 12.75 g (0.45 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Nectarivore of Chiriquí highlands; feeds at flowering understorey shrubs and supplements with insects and spiders. |
| 产卵数 | -- | -- |
| 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.
Glow-throated Hummingbird
Deep, hollow resonant churr; low-frequency buzzing sound vibrating persistently through tropical forest canopy.
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.
Glow-throated Hummingbird
Endemic to the western highlands of Panama at 900-2,000 m in the Chiriquí region. Classified as Endangered.
保护状况
Sword-billed Hummingbird
Glow-throated 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
Glow-throated Hummingbird
Black-billed Streamertail: males with glittering green body; elongated tail streamers; black bill; females plain green above; spotted
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。
Glow-throated Hummingbird
A tiny hummingbird (7-8 cm) endemic to the western highlands of Panama at 900-2,000 m. Males have a glowing magenta throat. Nectarivore of cloud forest edges. Classified as Endangered due to extremely restricted range in the Chiriquí highlands.