Yellow-billed Cuckoo vs Western Koel
Coccyzus americanus 比較対象 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 |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 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 | -- | -- |
| 一腹卵数 | 1-5 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Yellow-billed Cuckoo
さえずり
Loud, far-carrying resonant call; deep musical notes audible impressively through dense tropical forest.
Western Koel
さえずり
Loud, far-carrying nasal call; distinctive penetrating notes audible through dense tropical forest. Vocalization pattern typical of this species in its native habitat.
保全状況
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
イエロービルドカッコウ(Coccyzus americanus)は北アメリカ東部から中央アメリカにかけて分布するカッコウです。黄色い嘴と白い下面が特徴的です。毛虫を好んで食べ、自分で巣を作る珍しいカッコウです。托卵はほとんどしません。
Western Koel
南アジアに広く分布するカッコウで、独特の上昇音の鳴き声が特徴。托卵行動をとる。