Purple-backed Sunbeam vs Great Sapphirewing
Aglaeactis aliciae 对比 Pterophanes cyanopterus
Side-by-Side Comparison
| 属性 | Purple-backed Sunbeam | Great Sapphirewing |
|---|---|---|
| 学名 | Aglaeactis aliciae | Pterophanes cyanopterus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Vulnerable | Least Concern |
| 体长 | — | — |
| 翼展 | 16.2 cm (6.4 in) | 21.0 cm (8.3 in) |
| 体重 | 7.4 g (0.26 oz) | 10.05 g (0.35 oz) |
| 食性 | Nectarivore of restricted Peruvian high puna; visits Chuquiraga and cushion-plant flowers. Gleans tiny arthropods. | Nectarivore of high Andean cloud forest and treeline; one of the largest hummingbirds. Visits Ericaceae … |
| 产卵数 | -- | 2 |
| 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.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
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.
Great Sapphirewing
Found in high Andean cloud forests and páramo from Colombia south through Ecuador and Peru to Bolivia. 2,400–3,800 m.
保护状况
Purple-backed Sunbeam
Great Sapphirewing
About These Birds
Purple-backed Sunbeam
紫背辉蜂鸟（Aglaeactis aliciae），体长12-13厘米，特产于秘鲁北部安第斯山脉一小片区域，海拔2,900至3,700米。属蜂鸟科（Trochilidae），背部具闪光紫色斑块，分布极为局限，受到保护关注。
Great Sapphirewing
A large hummingbird (18 cm, wingspan 28 cm) found in Andean cloud forests from Colombia to Bolivia at 2,500-3,500 m. Brilliant sapphire-blue wings, green body, and long tail. One of the largest hummingbirds. Nectarivore of montane forest, visiting large-flowered Ericaceae.