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

An expert explained that backyard bird feeding could become a bird flu transmission hub. The suspected infection in a fox raised worry about long-distance spread. Scientists cautioned that devastation may await the remaining 12,000 sea lions in Australia as bird flu expands across animal species.