ʸ
lCLݷݸ
3.
Cygnus atratus@@Black swan
Cygnus buccinator@ŷʸ@Trumpeter swan
Cygnus columbianus@ʸ@Tundra swan
Cygnus cygnus@ʸ@Whooper swan
Cygnus melancoryphus@۴ʸ@Black-necked swan
Cygnus olor@ʸ@Mute swan
[4]
(2.`)
[6]߰
(4.)
~ڎɖ߂
oT:Wikipedia
2016/07/02 02:01
lCLݷݸ
2020/01/23 XV
 1{
 2o
 3NUݒЂ
 4ˏ
 5~V
ɖ߂
[9]Wikipediaį
[0]gooį
Ɛӎ
(C)NTT Resonant