Bronze-tailed Thornbill vs Great Sapphirewing
Chalcostigma heteropogon 比較対象 Pterophanes cyanopterus
Side-by-Side Comparison
| 属性 | Bronze-tailed Thornbill | Great Sapphirewing |
|---|---|---|
| 学名 | Chalcostigma heteropogon | Pterophanes cyanopterus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 14.1 cm (5.6 in) | 21.0 cm (8.3 in) |
| 体重 | 5.65 g (0.20 oz) | 10.05 g (0.35 oz) |
| 食性 | Nectarivore of high Andean grasslands and shrublands; visits Ericaceae and Gentianaceae blooms. Gleans tiny arthropods. | 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
Bronze-tailed Thornbill
Deep, hollow churring with resonant bass; prolonged low buzzing audible at range through open forest edge.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
Bronze-tailed Thornbill
Found in high Andean grassland and scrub from Venezuela through Colombia to Ecuador at 2,800–4,200 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
Bronze-tailed Thornbill
Great Sapphirewing
About These Birds
Bronze-tailed Thornbill
ベネズエラからペルーのアンデス雲霧林・パラモ縁（2,500〜3,800 m）の小型ハチドリ（10〜11 cm）。緑色の羽衣に銅色の尾と紫色の喉（雄）。高高度の花蜜食性。
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.