Author Details

Butler, Linda

  • Wildfowl 41 - Progress Reports
    Bewick's and Whooper Swans: the 1989-90 season
    Abstract  PDF
  • Wildfowl 42 - Progress Reports
    Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: the 1990-91 season
    Abstract  PDF
  • Wildfowl 43 - Progress Reports
    Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: the 1991-92 season
    Abstract  PDF
  • Wildfowl 44 - Progress Reports
    Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: the 1992-93 season
    Abstract  PDF
  • Wildfowl 45 - Progress Reports
    Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: the 1993-94 season
    Abstract  PDF