Black-breasted Puffleg vs Great Sapphirewing
Eriocnemis nigrivestis 对比 Pterophanes cyanopterus
Side-by-Side Comparison
| 属性 | Black-breasted Puffleg | Great Sapphirewing |
|---|---|---|
| 学名 | Eriocnemis nigrivestis | Pterophanes cyanopterus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Endangered | Least Concern |
| 体长 | — | — |
| 翼展 | 11.4 cm (4.5 in) | 21.0 cm (8.3 in) |
| 体重 | 4.449999999999999 g (0.16 oz) | 10.05 g (0.35 oz) |
| 食性 | Nectarivore of Andean montane Ericaceae and epiphyte flowers; fluffy leg puffs visible during hover. Gleans … | Nectarivore of high Andean cloud forest and treeline; one of the largest hummingbirds. Visits Ericaceae … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black-breasted Puffleg
Soft, sustained hum barely audible; extremely faint low-frequency sound audible only at very close range.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
Black-breasted Puffleg
Endemic to the western Andes of Ecuador, primarily the Pichincha and Imbabura regions. 2,800–3,600 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
Black-breasted Puffleg
Great Sapphirewing
About These Birds
Black-breasted Puffleg
黑胸毛腿蜂鸟，体长10-11厘米。厄瓜多尔西北部安第斯山特有种。极危，个体数不足250只。
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.