White-crowned Cuckoo vs Sulawesi Cuckoo
Caliechthrus leucolophus 对比 Cuculus crassirostris
Side-by-Side Comparison
| 属性 | White-crowned Cuckoo | Sulawesi Cuckoo |
|---|---|---|
| 学名 | Caliechthrus leucolophus | Cuculus crassirostris |
| 目 | Cuculiformes | Cuculiformes |
| 科 | Cuculidae | Cuculidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 34.8 cm (13.7 in) | 41.2 cm (16.2 in) |
| 体重 | 112.75 g (3.98 oz) | 85.0 g (3.00 oz) |
| 食性 | -- | -- |
| 产卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-crowned Cuckoo
鸣唱
Loud, resonant call with musical quality; rich carrying notes building in sequence from forest perch.
Sulawesi Cuckoo
鸣唱
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
Least Concern
White-crowned Cuckoo
Least Concern
Sulawesi Cuckoo
How to Tell Them Apart
White-crowned Cuckoo
羽毛
White-crowned Cuckoo: white crown; dark brown mantle; pale below; long dark tail; distinctive white crown contrasting dark body
Sulawesi Cuckoo
羽毛
Sulawesi Cuckoo: dark gray-brown above; pale below; long dark tail; yellow orbital ring; Sulawesi endemic; larger than most Cuculus
About These Birds
White-crowned Cuckoo
白冠杜鹃，体长30–34厘米，黑白相间，分布于新几内亚，为巢寄生鸟类。
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。