Dusky Long-tailed Cuckoo vs African Emerald Cuckoo
Cercococcyx mechowi 对比 Chrysococcyx cupreus
Side-by-Side Comparison
| 属性 | Dusky Long-tailed Cuckoo | African Emerald Cuckoo |
|---|---|---|
| 学名 | Cercococcyx mechowi | Chrysococcyx cupreus |
| 目 | Cuculiformes | Cuculiformes |
| 科 | Cuculidae | Cuculidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 26.1 cm (10.3 in) | 21.1 cm (8.3 in) |
| 体重 | 57.0 g (2.01 oz) | 38.0 g (1.34 oz) |
| 食性 | -- | -- |
| 产卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dusky Long-tailed Cuckoo
鸣唱
Loud, raucous call with hollow resonant quality; distinctive far-carrying notes through dense forest.
African Emerald Cuckoo
鸣唱
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
Least Concern
Dusky Long-tailed Cuckoo
Least Concern
African Emerald Cuckoo
How to Tell Them Apart
Dusky Long-tailed Cuckoo
羽毛
Dusky Long-tailed Cuckoo: dark dusky brown above; pale buff below; very long graduated dark tail; red eye; forest canopy specialist
African Emerald Cuckoo
About These Birds
Dusky Long-tailed Cuckoo
长尾杜鹃 (Cercococcyx mechowi)，体长约36厘米。上体棕褐色，下体白色具灰色横纹，尾极长，分层明显。眼黄色。分布于非洲中西部的热带雨林，包括刚果盆地。以昆虫幼虫为食，常在森林中下层活动，叫声婉转悦耳。
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。