Dark Hawk-Cuckoo vs Northern Hawk-Cuckoo
Hierococcyx bocki 比較対象 Hierococcyx hyperythrus
Side-by-Side Comparison
| 属性 | Dark Hawk-Cuckoo | Northern Hawk-Cuckoo |
|---|---|---|
| 学名 | Hierococcyx bocki | Hierococcyx hyperythrus |
| 目 | Cuculiformes | Cuculiformes |
| 科 | Cuculidae | Cuculidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 35.9 cm (14.1 in) | 39.7 cm (15.6 in) |
| 体重 | 137.0 g (4.83 oz) | 120.15 g (4.24 oz) |
| 食性 | -- | -- |
| 一腹卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dark Hawk-Cuckoo
Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in South Asia.
Northern Hawk-Cuckoo
Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in Philippines.
保全状況
Dark Hawk-Cuckoo
Northern Hawk-Cuckoo
How to Tell Them Apart
Dark Hawk-Cuckoo
Dark Hawk-Cuckoo: dark brown above; pale below with dense dark barring; hawk-like; long barred tail; yellow orbital ring; dark morph
Northern Hawk-Cuckoo
Northern Hawk-Cuckoo: gray-brown above; white below with rufous streaking; hawk-like; long tail; yellow eye-ring; northern Asia
About These Birds
Dark Hawk-Cuckoo
ボックカッコウ（Hierococcyx bocki）はボルネオ・スマトラなどの東南アジアの低地・丘陵林に生息するカッコウ科（Cuculidae）の鳥（体長27〜30 cm）。成鳥は灰色の上面と縞状の下面が特徴。托卵性。独特の鳴き声で識別。
Northern Hawk-Cuckoo
ノーザンホウチャクカッコウ（Hierococcyx hyperythrus）は中国北東部・朝鮮半島・日本で繁殖し東南アジアで越冬する渡りのカッコウ科の鳥（体長30〜34 cm）。灰色の上面と赤みがかった下面が特徴。托卵性。