Australian experts are warning of a potentially catastrophic impact from a highly pathogenic avian influenza strain should it establish itself in the country. Species particularly vulnerable include the black swan, Tasmanian devil, and Australian sea lion, all facing significant population risks. The virus, commonly known as bird flu, poses a serious threat to native wildlife due to their lack of immunity. Authorities are monitoring the situation closely, but preventative measures are challenging given the virus’s spread through migratory birds. The potential for widespread mortality within these vulnerable populations could have long-lasting ecological consequences. Experts emphasize the need for increased surveillance and preparedness to mitigate the risk and protect Australia’s unique biodiversity.