Olive Long-tailed Cuckoo vs Dark Hawk-Cuckoo
Cercococcyx olivinus 对比 Hierococcyx bocki
Side-by-Side Comparison
| 属性 | Olive Long-tailed Cuckoo | Dark Hawk-Cuckoo |
|---|---|---|
| 学名 | Cercococcyx olivinus | Hierococcyx bocki |
| 目 | Cuculiformes | Cuculiformes |
| 科 | Cuculidae | Cuculidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 27.8 cm (10.9 in) | 35.9 cm (14.1 in) |
| 体重 | 65.83333333333333 g (2.32 oz) | 137.0 g (4.83 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.
Dark Hawk-Cuckoo
Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in South Asia.
保护状况
Olive Long-tailed Cuckoo
Dark Hawk-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
Dark Hawk-Cuckoo
Dark Hawk-Cuckoo: dark brown above; pale below with dense dark barring; hawk-like; long barred tail; yellow orbital ring; dark morph
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。
Dark Hawk-Cuckoo
马来亚鹰鹃分布于马来西亚半岛、苏门答腊和婆罗洲的热带雨林。体羽棕褐，下体具条纹，与同属其他种相似。以昆虫为主食，具嘈杂的鸣声，是巢寄生鸟类，将卵产在其他鸟类巢中。