Olive Long-tailed Cuckoo vs African Emerald Cuckoo
Cercococcyx olivinus 对比 Chrysococcyx cupreus
Side-by-Side Comparison
| 属性 | Olive Long-tailed Cuckoo | African Emerald Cuckoo |
|---|---|---|
| 学名 | Cercococcyx olivinus | Chrysococcyx cupreus |
| 目 | Cuculiformes | Cuculiformes |
| 科 | Cuculidae | Cuculidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 27.8 cm (10.9 in) | 21.1 cm (8.3 in) |
| 体重 | 65.83333333333333 g (2.32 oz) | 38.0 g (1.34 oz) |
| 食性 | -- | -- |
| 产卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Olive Long-tailed Cuckoo
Loud, far-carrying resonant call; deep hollow notes given repeatedly from dense forest canopy. Vocalization pattern typical of this species in its native habitat.
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.
保护状况
Olive Long-tailed Cuckoo
African Emerald Cuckoo
How to Tell Them Apart
Olive Long-tailed Cuckoo
Olive Long-tailed Cuckoo: olive-brown above; pale buff below; very long graduated dark tail; red eye; olive coloration diagnostic
African Emerald Cuckoo
New Caledonian Bronze-cuckoo: bronze-green above; barred white below; island endemic; red eye; iridescent bronze-green; small size
About These Birds
Olive Long-tailed Cuckoo
橄榄长尾杜鹃 (Cercococcyx olivinus)，体长约34厘米。上体橄榄褐色，下体白色具棕色横纹，尾长。眼黄色，嘴细而弯曲。分布于非洲西部的热带雨林，包括几内亚湾沿岸各国。以昆虫幼虫为主食。
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。