African Emerald Cuckoo vs Yellow-billed Cuckoo
Chrysococcyx cupreus 对比 Coccyzus americanus
Side-by-Side Comparison
| 属性 | African Emerald Cuckoo | Yellow-billed Cuckoo |
|---|---|---|
| 学名 | Chrysococcyx cupreus | Coccyzus americanus |
| 目 | Cuculiformes | Cuculiformes |
| 科 | Cuculidae | Cuculidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 21.1 cm (8.3 in) | 28.7 cm (11.3 in) |
| 体重 | 38.0 g (1.34 oz) | 56.73333333333333 g (2.00 oz) |
| 食性 | -- | -- |
| 产卵数 | -- | 1-5 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
African Emerald Cuckoo
Deep, hollow resonant booming call; powerful low notes carrying far through dense tropical forest. Vocalization pattern typical of this species in its native habitat.
Yellow-billed Cuckoo
Loud, far-carrying resonant call; deep musical notes audible impressively through dense tropical forest.
保护状况
African Emerald Cuckoo
Yellow-billed Cuckoo
How to Tell Them Apart
African Emerald Cuckoo
New Caledonian Bronze-cuckoo: bronze-green above; barred white below; island endemic; red eye; iridescent bronze-green; small size
Yellow-billed Cuckoo
Little Cuckoo: small; rich chestnut-rufous above; pale buff below; rufous tail; yellow bill; neotropical squirrel cuckoo group
About These Birds
African Emerald Cuckoo
非洲翡翠金鹃(Chrysococcyx cupreus)体长20-22厘米。雄鸟：上体及胸部呈耀眼的翡翠绿色；腹部横斑白色。广泛分布于撒哈拉以南非洲的森林和林地。寄生于多种鸟巢中，以其鲜亮的雄性羽色而著称。
Yellow-billed Cuckoo
黄嘴杜鹃(Coccyzus americanus)体长27-32厘米。上体褐色；下体白色；下颌黄色；翅有栗红斑；尾具白色端斑。繁殖于北美洲，迁徙至南美洲越冬。栖息于落叶林地，以毛虫为食，偶有巢寄生行为。