A potential bird flu infection in a fox sparked concerns of long-distance spread. Australia has just 12,000 sea lions remaining, and scientists warned that severe loss may await Australia's remaining 12,000 sea lions as bird flu gains ground.

An expert explained that backyard bird feeding might turn into a bird flu superspreader. The suspected infection in a fox fueled alarm about long-distance movement. Scientists cautioned that devastation may threaten the remaining 12,000 sea lions in Australia as bird flu establishes itself across animal groups.