Eric Walker added Bizarre Swan Deaths Reported in Europe As Birds Die After Bleeding From Nostrils and Spinning in Circles to Avian influenza, Influenza A virus subtype H5N8 and Cygnus cygnus

Eric Walker added Swan - Wikipedia to Cygnus cygnus

Eric Walker added Swan - Wikipedia and Bizarre Swan Deaths Reported in Europe As Birds Die After Bleeding From Nostrils and Spinning in Circles to Cygnus cygnus, and added Cygnus cygnus to Cygnus

Eric Walker added Cygnus cygnus to Cygnus, and added Cygnus to Anserinae