The H5 strain of bird flu continues to spread across Australia, threatening wildlife. (Jay Kogler/AAP PHOTOS)The H5 strain of bird flu continues to spread across Australia, threatening wildlife. (Jay Kogler/AAP PHOTOS) Credit: AAPThe deadly bird flu virus has spread to native birds in another state, as the national tally continues its steep rise across the country. It's the first time the flu has been detected in an Australian native bird in NSW, with the state now recording four cases. During a community meeting in Portland on Wednesday night, local residents and wildlife volunteers voiced concerns about the rapidly unfolding situation.