Dusky Long-tailed Cuckoo vs Sulawesi Cuckoo
Cercococcyx mechowi 对比 Cuculus crassirostris
Side-by-Side Comparison
| 属性 | Dusky Long-tailed Cuckoo | Sulawesi Cuckoo |
|---|---|---|
| 学名 | Cercococcyx mechowi | Cuculus crassirostris |
| 目 | Cuculiformes | Cuculiformes |
| 科 | Cuculidae | Cuculidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 26.1 cm (10.3 in) | 41.2 cm (16.2 in) |
| 体重 | 57.0 g (2.01 oz) | 85.0 g (3.00 oz) |
| 食性 | -- | -- |
| 产卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dusky Long-tailed Cuckoo
Loud, raucous call with hollow resonant quality; distinctive far-carrying notes through dense forest.
Sulawesi Cuckoo
Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in Asia. Vocalization pattern typical of this species in its native habitat.
保护状况
Dusky Long-tailed Cuckoo
Sulawesi Cuckoo
How to Tell Them Apart
Dusky Long-tailed Cuckoo
Dusky Long-tailed Cuckoo: dark dusky brown above; pale buff below; very long graduated dark tail; red eye; forest canopy specialist
Sulawesi Cuckoo
Sulawesi Cuckoo: dark gray-brown above; pale below; long dark tail; yellow orbital ring; Sulawesi endemic; larger than most Cuculus
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。
Sulawesi Cuckoo
桑义赫杜鹃（Cuculus crassirostris）— 苏拉威西北部桑义赫群岛特有的杜鹃。粗嘴为特征。栖息于森林的稀有种。