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Cygnus
Anatidae の属 Anseriformes 内

種名 名前 学名 標本
コブハクチョウ
Cygnus olor 		Cygnus olor 4 4
コクチョウ
Cygnus atratus 		Cygnus atratus 3 3
オオハクチョウ
Cygnus cygnus 		Cygnus cygnus 2 2

種の比較1)

属 Cygnus: 初列風切の最大枚数: 10, 次列風切の最大枚数: 23, 尾羽の最大枚数: 22
1) Hartmann (2000a, 2000b and 2016)に基づく