A potential bird flu infection in a fox sparked anxiety of long-distance spread. Australia has just 12,000 sea lions left, and scientists warned that carnage may await Australia's remaining 12,000 sea lions as bird flu spreads.

An expert explained that backyard bird feeding might turn into a bird flu transmission hub. The possible infection in a fox fueled alarm about long-distance movement. Scientists warned that devastation may threaten the remaining 12,000 sea lions in Australia as bird flu expands across animal types.