young mute swans swim along the wuhle river with snow-covered banks in winter. berlin, germany

along anatidae animal away banks berlin bird birds black brown climes cygnus family feathers flown frost frozen germany grey has have ice its landscape leaves member mute nature not olor river season shore snow snow-covered snowy species swan swans swim swims trees vula warmer water waterfowl weather which white wild wildlife wing winter winters wuhle young