Common Kingfisher vs Biak Paradise-kingfisher
Alcedo atthis 比較対象 Tanysiptera riedelii
Side-by-Side Comparison
| 属性 | Common Kingfisher | Biak Paradise-kingfisher |
|---|---|---|
| 学名 | Alcedo atthis | Tanysiptera riedelii |
| 目 | Coraciiformes | Coraciiformes |
| 科 | Alcedinidae | Alcedinidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | 17.0 cm (6.7 in) | — |
| 翼開長 | 25.0 cm (9.8 in) | 19.8 cm (7.8 in) |
| 体重 | 36.0 g (1.27 oz) | 64.875 g (2.29 oz) |
| 食性 | Small fish, aquatic insects, and crustaceans. Hunts from a low perch over water, diving headfirst … | -- |
| 一腹卵数 | 3-10 | -- |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
共通生息地
None
Common Kingfisher only
Biak Paradise-kingfisher only
Common Kingfisher
Clear, slow-flowing rivers, streams, lakes, and ponds with suitable perching and nesting banks. Requires clean water with good fish populations.
Song & Call Comparison
Common Kingfisher
A sharp, penetrating 'chee' whistle given in flight, often the first indication of its presence. Short, shrill single note as it darts low over rivers. Contact call is a rippling …
Biak Paradise-kingfisher
Geographic Range & Migration
Common Kingfisher
Widespread across Europe, Asia, and North Africa. Northern populations migrate south in winter.
Biak Paradise-kingfisher
保全状況
Common Kingfisher
Biak Paradise-kingfisher
How to Tell Them Apart
Common Kingfisher
Brilliant electric blue upperparts and orange underparts. Blue-green crown with darker barring. White throat patch and cheek spots. A flash of blue in flight.
Long, straight, dagger-like dark bill — orange base on the lower mandible in females
Biak Paradise-kingfisher
About These Birds
Common Kingfisher
カワセミ（Alcedo atthis）— ユーラシアおよびアフリカに広く分布する鮮やかな青橙色の鳥。川や池のほとりで魚を捕食する。
Biak Paradise-kingfisher
The Biak Paradise-kingfisher is a near-threatened, spectacularly plumaged kingfisher endemic to Biak Island in West Papua. It has elongated white tail streamers, turquoise-blue and chestnut plumage, and a bright red bill. It inhabits lowland rainforest and is highly dependent on undisturbed forest for nesting and foraging on earthworms and insects.