Violet-tailed Sylph vs Great Sapphirewing
Aglaiocercus coelestis 比較対象 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 |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 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 … |
| 一腹卵数 | 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.
保全状況
Violet-tailed Sylph
Great Sapphirewing
About These Birds
Violet-tailed Sylph
A spectacular hummingbird (10 cm body + 13 cm tail in males) endemic to the western Andes of Colombia and Ecuador at 1,000-2,500 m. Males have dazzling violet-blue outer tail streamers. Nectarivore of cloud forest and forest edges. Replaced by Long-tailed Sylph east of the Andes.
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.