alder branch in winter. alders are trees comprising the genus alnus in the birch family betulaceae. berlin, germany

young swan anatidae animal banks berlin bird birds brown climes cygnus cygnus olor family feathers germany grey landscape leaves member waterfowl mute natural nature river shore species swans swim tree trees water waterfowl wild wildlife wing winter winters young mute plant alder branch alders genus alnus birch family betulaceae outdoor green