Whistling Yellowbill vs Sulawesi Cuckoo
Ceuthmochares australis 对比 Cuculus crassirostris
Side-by-Side Comparison
| 属性 | Whistling Yellowbill | Sulawesi Cuckoo |
|---|---|---|
| 学名 | Ceuthmochares australis | Cuculus crassirostris |
| 目 | Cuculiformes | Cuculiformes |
| 科 | Cuculidae | Cuculidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 24.4 cm (9.6 in) | 41.2 cm (16.2 in) |
| 体重 | 64.2 g (2.26 oz) | 85.0 g (3.00 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Whistling Yellowbill
鸣唱
Loud, harsh call with penetrating quality; rough resonant notes carrying through dense forest habitat.
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
Whistling Yellowbill
Least Concern
Sulawesi Cuckoo
How to Tell Them Apart
Whistling Yellowbill
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
Whistling Yellowbill
东非黄嘴马岛鹃 (Ceuthmochares australis)，体长约33厘米。外形与黄嘴马岛鹃相似，体羽灰黑色，嘴黄绿色，尾长。分布于非洲东部和南部的热带雨林，与aereus种形成地理替代分布。以昆虫为食，藏匿于茂密林中。
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。