White-tailed Hummingbird vs Great Sapphirewing
Eupherusa poliocerca 对比 Pterophanes cyanopterus
Side-by-Side Comparison
| 属性 | White-tailed Hummingbird | Great Sapphirewing |
|---|---|---|
| 学名 | Eupherusa poliocerca | Pterophanes cyanopterus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 12.1 cm (4.8 in) | 21.0 cm (8.3 in) |
| 体重 | 4.625 g (0.16 oz) | 10.05 g (0.35 oz) |
| 食性 | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … | 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
White-tailed Hummingbird
Harsh, buzzy chatter with emphatic rhythm; coarse rough notes delivered rapidly with raw buzzy texture.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
White-tailed Hummingbird
Endemic to the Sierra Madre del Sur of Guerrero and Oaxaca, Mexico. Classified as Vulnerable due to restricted range.
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
White-tailed Hummingbird
Great Sapphirewing
About These Birds
White-tailed Hummingbird
白尾叶绿蜂鸟，体长10-11厘米。墨西哥南部马德雷山脉特有种。易危。
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.