Violet-tailed Sylph vs Great Sapphirewing
Aglaiocercus coelestis 对比 Pterophanes cyanopterus
Side-by-Side Comparison
| 属性 | Violet-tailed Sylph | Great Sapphirewing |
|---|---|---|
| 学名 | Aglaiocercus coelestis | Pterophanes cyanopterus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 12.4 cm (4.9 in) | 21.0 cm (8.3 in) |
| 体重 | 5.483333333333334 g (0.19 oz) | 10.05 g (0.35 oz) |
| 食性 | Nectarivore with elongated tail foraging at diverse montane flowers. Catches small arthropods near flowering bromeliads. | 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
Violet-tailed Sylph
Sharp, emphatic two-note call; first note high and accented, second softer and brief, delivered at measured pace.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
Violet-tailed Sylph
Found on the western Andean slope and Pacific foothills of Colombia and Ecuador in humid forest. 300–1,600 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
Violet-tailed Sylph
Great Sapphirewing
About These Birds
Violet-tailed Sylph
紫尾宝石蜂鸟（Aglaiocercus coelestis），体长10厘米（雄鸟尾羽另加13厘米），特产于哥伦比亚和厄瓜多尔西部安第斯山脉。属蜂鸟科（Trochilidae），雄鸟体羽蓝绿色，尾羽飘逸，是安第斯山区最美丽的蜂鸟之一。
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.