Golden-crowned Emerald vs Great Sapphirewing
Cynanthus auriceps 比較対象 Pterophanes cyanopterus
Side-by-Side Comparison
| 属性 | Golden-crowned Emerald | Great Sapphirewing |
|---|---|---|
| 学名 | Cynanthus auriceps | Pterophanes cyanopterus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 21.0 cm (8.3 in) |
| 体重 | 2.2 g (0.08 oz) | 10.05 g (0.35 oz) |
| 食性 | Hovering nectarivore of lowland and montane forest, probing Heliconia and garden flowers. Supplements with 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
Golden-crowned Emerald
Deep, resonant trill with buzzing quality; powerful churring vibration carrying impressively across open slopes.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
Golden-crowned Emerald
Endemic to the Pacific slope of western Mexico from Sinaloa to Guerrero. Resident in tropical deciduous forest.
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
Golden-crowned Emerald
Great Sapphirewing
About These Birds
Golden-crowned Emerald
A medium-sized hummingbird (9-10 cm) endemic to the Pacific slope of western Mexico from Sinaloa to Guerrero. Males have a golden crown and green body. Nectarivore of tropical deciduous and semi-arid forest. A Mexican endemic.
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.