Australian authorities have confirmed the country's first mass mortality event linked to the H5N1 bird flu, marking a significant escalation in the nation's battle against the virus. The outbreak was identified after aerial surveillance detected dozens of dead and sick greater crested terns on Baudin Rocks, an island off the coast of South Australia. Samples collected from the site have tested positive for the highly pathogenic avian influenza strain, which has now reached 74 confirmed cases across multiple states, including South Australia, Victoria, Western Australia, New South Wales, and Queensland.
Federal Agriculture Minister Julie Collins stated that while the mass mortality is a distressing development, it was an anticipated outcome once the virus began circulating in the wild. She emphasized that there is currently no evidence of the virus spreading to poultry or agricultural systems, and the risk to human health remains low. The government has invested over $113 million in preparedness and biosecurity measures to protect the agricultural sector, though officials acknowledge that containing the virus among free-roaming native wildlife is effectively impossible.
Environment Minister Murray Watt described the event as the beginning of a long and difficult journey for Australia’s native species. As the virus continues to spread, authorities are bracing for further wildlife losses. The government has activated national management plans and is working closely with state and territory agencies to monitor the situation. For the public, the guidance remains clear: avoid physical contact with birds that appear sick or dead and report any sightings to the designated emergency hotlines.