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Side-by-Side Comparison

属性	Rufous-backed Dwarf-kingfisher	Common Kingfisher
学名	Ceyx rufidorsa	Alcedo atthis
目	Coraciiformes	Coraciiformes
科	Alcedinidae	Alcedinidae
保全状況	Least Concern	Least Concern
体長	—	17.0 cm (6.7 in)
翼開長	—	25.0 cm (9.8 in)
体重	17.033333333333335 g (0.60 oz)	36.0 g (1.27 oz)
食性	--	Small fish, aquatic insects, and crustaceans. Hunts from a low perch over water, diving headfirst …
一腹卵数	2-3	3-10
Population Trend	—	—

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Size Comparison

Body Length

Rufous-backed Dwarf-kingfisher —

Common Kingfisher 17.0 cm

翼開長

Rufous-backed Dwarf-kingfisher —

Common Kingfisher 25.0 cm

体重

Rufous-backed Dwarf-kingfisher 17.033333333333335 g

Common Kingfisher 36.0 g

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Habitat Comparison

共通生息地

🏖️ Coastal

Rufous-backed Dwarf-kingfisher only

🌲 Forest

Common Kingfisher only

🌿 Wetland 🌾 Grassland

Common Kingfisher

Clear, slow-flowing rivers, streams, lakes, and ponds with suitable perching and nesting banks. Requires clean water with good fish populations.

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Song & Call Comparison

Rufous-backed Dwarf-kingfisher

Common Kingfisher

さえずり

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 …

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Geographic Range & Migration

Rufous-backed Dwarf-kingfisher

Common Kingfisher

Widespread across Europe, Asia, and North Africa. Northern populations migrate south in winter.

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保全状況

Least Concern

Rufous-backed Dwarf-kingfisher

Least Concern

Common Kingfisher

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How to Tell Them Apart

Rufous-backed Dwarf-kingfisher

Common Kingfisher

羽毛

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.

くちばし

Long, straight, dagger-like dark bill — orange base on the lower mandible in females

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About These Birds

Rufous-backed Dwarf-kingfisher

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。

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More Birds to Explore

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