Yellow-billed Cuckoo vs Western Koel
Coccyzus americanus 对比 Eudynamys scolopaceus
Side-by-Side Comparison
| 属性 | Yellow-billed Cuckoo | Western Koel |
|---|---|---|
| 学名 | Coccyzus americanus | Eudynamys scolopaceus |
| 目 | Cuculiformes | Cuculiformes |
| 科 | Cuculidae | Cuculidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 28.7 cm (11.3 in) | 39.3 cm (15.5 in) |
| 体重 | 56.73333333333333 g (2.00 oz) | 230.0 g (8.11 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-5 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Yellow-billed Cuckoo
鸣唱
Loud, far-carrying resonant call; deep musical notes audible impressively through dense tropical forest.
Western Koel
鸣唱
Loud, far-carrying nasal call; distinctive penetrating notes audible through dense tropical forest. Vocalization pattern typical of this species in its native habitat.
保护状况
Least Concern
Yellow-billed Cuckoo
Least Concern
Western Koel
How to Tell Them Apart
Yellow-billed Cuckoo
羽毛
Little Cuckoo: small; rich chestnut-rufous above; pale buff below; rufous tail; yellow bill; neotropical squirrel cuckoo group
Western Koel
羽毛
Shining Bronze-cuckoo: brilliant iridescent golden-green above; white barred below; bronze-green head; reddish eye; small size
About These Birds
Yellow-billed Cuckoo
黄嘴杜鹃(Coccyzus americanus)体长27-32厘米。上体褐色；下体白色；下颌黄色；翅有栗红斑；尾具白色端斑。繁殖于北美洲，迁徙至南美洲越冬。栖息于落叶林地，以毛虫为食，偶有巢寄生行为。
Western Koel
西方噪鹃，体长39-46厘米。雄鸟全身黑亮，眼红色。分布于南亚至东南亚大陆。巢寄生性。