Purple-backed Sunbeam vs Sword-billed Hummingbird
Aglaeactis aliciae 比較対象 Ensifera ensifera
Side-by-Side Comparison
| 属性 | Purple-backed Sunbeam | Sword-billed Hummingbird |
|---|---|---|
| 学名 | Aglaeactis aliciae | Ensifera ensifera |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | — |
| 翼開長 | 16.2 cm (6.4 in) | 15.3 cm (6.0 in) |
| 体重 | 7.4 g (0.26 oz) | 12.75 g (0.45 oz) |
| 食性 | Nectarivore of restricted Peruvian high puna; visits Chuquiraga and cushion-plant flowers. Gleans tiny arthropods. | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … |
| 一腹卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Purple-backed Sunbeam
Sharp, buzzy chip followed by rapid trill; emphatic onset launching into rough cascading notes typical of sunbeam.
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Geographic Range & Migration
Purple-backed Sunbeam
Endemic to Peru along the Río Marañón drainage in the arid upper Andes. 2,400–3,800 m. Critically endangered.
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
保全状況
Purple-backed Sunbeam
Sword-billed Hummingbird
How to Tell Them Apart
Purple-backed Sunbeam
Blue-capped Puffleg: males with brilliant blue cap and gorget; metallic green body; white leg puffs; females green above; spotted
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
About These Birds
Purple-backed Sunbeam
A medium-sized hummingbird (12-13 cm) endemic to a small area in the Andes of northern Peru at 2,900-3,500 m. Purple-backed with buff underparts. Nectarivore of montane scrub. Classified as Endangered due to extremely restricted range. One of Peru's rarest hummingbirds.
Sword-billed Hummingbird
アンデスの雲霧林に生息するハチドリで、体と同じ長さの嘴を持つ。自然界で嘴が最も長い鳥の一つ。