Olivaceous Thornbill vs Great Sapphirewing
Chalcostigma olivaceum 比較対象 Pterophanes cyanopterus
Side-by-Side Comparison
| 属性 | Olivaceous Thornbill | Great Sapphirewing |
|---|---|---|
| 学名 | Chalcostigma olivaceum | Pterophanes cyanopterus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 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 … |
| 一腹卵数 | 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.
保全状況
Olivaceous Thornbill
Great Sapphirewing
About These Birds
Olivaceous Thornbill
ペルーからボリビアのアンデスのプナとパラモ（3,500〜4,800 m）の小型ハチドリ（11〜12 cm）。オリーブ緑色の羽衣にほんのわずかな喉の虹色。高高度の開花植物で花蜜を吸う。
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.