Olivaceous Thornbill vs Great Sapphirewing
Chalcostigma olivaceum 对比 Pterophanes cyanopterus
Side-by-Side Comparison
| 属性 | Olivaceous Thornbill | Great Sapphirewing |
|---|---|---|
| 学名 | Chalcostigma olivaceum | Pterophanes cyanopterus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 16.3 cm (6.4 in) | 21.0 cm (8.3 in) |
| 体重 | 7.3999999999999995 g (0.26 oz) | 10.05 g (0.35 oz) |
| 食性 | Nectarivore of high Bolivian and Peruvian páramo; short bill accesses small open flowers. Gleans insects … | 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
Olivaceous Thornbill
Buzzy, high-frequency trill with insect-like quality; sustained continuous vibration with rapid amplitude modulation.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
Olivaceous Thornbill
Widespread in high Andean puna grassland from Peru to Bolivia and northwestern Argentina. 3,200–4,800 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
Olivaceous Thornbill
Great Sapphirewing
About These Birds
Olivaceous Thornbill
橄榄金刚尾蜂鸟 (Chalcostigma olivaceum)，体长约12厘米。体羽橄榄绿色，喉部颜色较暗，尾长而分叉。分布于秘鲁和玻利维亚安第斯山脉的高海拔草甸。以花蜜为食，在多风的高山环境中悬停采蜜。
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.