Australia facing 'tsunami of devastation' over H5 bird flu outbreak SBS ‘Tsunami breaking over our native wildlife’: Bird flu spreads to gulls, mass mortality event under investigation Nine.com.au H5N1 bird flu: Another 19 cases in SA, taking national total to 52 The Age 49 dead birds spark mass mortality bird flu fears in SA Adelaide Now H5 bird flu testing underway for mass mortality of terns on SA island ABC News & Headlines – Australian Broadcasting Corporation