whooper swan or cygnus cygnus swimming on lake kussharo in winter at akan national park,hokkaido,japan, mountains covered by snow

adventure akan animal asia asiabeautiful background backgroundbirding beautiful bird birding birds clouds cold covered cygnus eastern elegant fly frazil frozen grow hokkaido hot ice japan kussharo lake landscape mountains national naturally nature nautical or outdoors parkhokkaidojapan royal scene scenery season sightseeing sky snow snowy spa spring swan swans swimming tourism transport transportation travel tree trip vacation vessel water white whooper wild winter