Black-billed Cuckoo vs Sulawesi Cuckoo
Coccyzus erythropthalmus 对比 Cuculus crassirostris
Side-by-Side Comparison
| 属性 | Black-billed Cuckoo | Sulawesi Cuckoo |
|---|---|---|
| 学名 | Coccyzus erythropthalmus | Cuculus crassirostris |
| 目 | Cuculiformes | Cuculiformes |
| 科 | Cuculidae | Cuculidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 27.4 cm (10.8 in) | 41.2 cm (16.2 in) |
| 体重 | 53.20000000000001 g (1.88 oz) | 85.0 g (3.00 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-5 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black-billed Cuckoo
鸣唱
Loud, far-carrying resonant call; deep notes audible across dense forest in Asia. Vocalization pattern typical of this species in its native 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
Black-billed Cuckoo
Least Concern
Sulawesi Cuckoo
How to Tell Them Apart
Black-billed Cuckoo
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
Black-billed Cuckoo
黑嘴杜鹃(Coccyzus erythropthalmus)体长26-31厘米。上体褐色；下体白色；全黑色喙；细红色眼眶环。繁殖于北美洲，迁徙至南美洲越冬。以毛虫、蚱蜢和其他昆虫为食，是重要的森林益鸟。
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。