German zoo finds H5N1 bird flu in dead (black)swan Home Topics Birding, Conservation, Travel H5N1 Poultry Flu and migratory birds German zoo finds H5N1 bird flu in dead (black)swan This topic is empty. Viewing 1 post (of 1 total) Author Posts 6 August 2006 at 3:07 am #3366 abcenviron 720 birds of 112 species are at risk to be culled. The result of a dead tufted duck will be expected on monday. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In