Long-tailed Sylph vs Great Sapphirewing
Aglaiocercus kingii 对比 Pterophanes cyanopterus
Side-by-Side Comparison
| 属性 | Long-tailed Sylph | Great Sapphirewing |
|---|---|---|
| 学名 | Aglaiocercus kingii | Pterophanes cyanopterus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 11.7 cm (4.6 in) | 21.0 cm (8.3 in) |
| 体重 | 5.25 g (0.19 oz) | 10.05 g (0.35 oz) |
| 食性 | Nectarivore of Andean cloud forest; forages at Ericaceae and epiphyte blooms. Supplements diet with small … | 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
Long-tailed Sylph
Melodic, flowing phrase with rich character; warm notes weaving in relaxed sequence typical of dawn chorus activity.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
Long-tailed Sylph
Widespread in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,000–2,800 m.
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
Long-tailed Sylph
Great Sapphirewing
About These Birds
Long-tailed Sylph
长尾青蜂鸟（Aglaiocercus kingii），体长10厘米（雄鸟尾羽另加13厘米），分布于委内瑞拉至玻利维亚安第斯云雾林。属蜂鸟科（Trochilidae），雄鸟体羽闪烁蓝绿色，长尾羽为求偶展示的重要道具。
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.