Common Kingfisher vs Eurasian Wren
Alcedo atthis 比較対象 Troglodytes troglodytes
Side-by-Side Comparison
| 属性 | Common Kingfisher | Eurasian Wren |
|---|---|---|
| 学名 | Alcedo atthis | Troglodytes troglodytes |
| 目 | Coraciiformes | Passeriformes |
| 科 | Alcedinidae | Troglodytidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 17.0 cm (6.7 in) | 9.5 cm (3.7 in) |
| 翼開長 | 25.0 cm (9.8 in) | 15.0 cm (5.9 in) |
| 体重 | 36.0 g (1.27 oz) | 9.0 g (0.32 oz) |
| 食性 | Small fish, aquatic insects, and crustaceans. Hunts from a low perch over water, diving headfirst … | Insects and spiders, gleaned from dense vegetation, rock crevices, and bark. Active and restless forager. |
| 一腹卵数 | 3-10 | 3-9 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Kingfisher
Clear, slow-flowing rivers, streams, lakes, and ponds with suitable perching and nesting banks. Requires clean water with good fish populations.
Eurasian Wren
Dense undergrowth in woodlands, gardens, hedgerows, and rocky areas. Prefers tangled vegetation close to the ground.
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 …
Eurasian Wren
Extraordinarily loud for its tiny size: a rapid, powerful stream of trills, buzzes, and churring phrases. One of Europe's loudest songs by volume relative to body weight.
Geographic Range & Migration
Common Kingfisher
Widespread across Europe, Asia, and North Africa. Northern populations migrate south in winter.
Eurasian Wren
Eurasia from Iceland and western Europe to Japan. The only wren species found outside the Americas.
保全状況
Common Kingfisher
Eurasian Wren
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
Eurasian Wren
Warm rufous-brown upperparts with fine dark barring. Pale buffy underparts with barred flanks. Short, often cocked tail.
Thin, slightly curved, dark brown bill
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。
Eurasian Wren
ヨーロッパ最小クラスの鳥の一つで、体の大きさに不釣り合いな大きな声で鳴く。民話では鳥の王様とされる。