Australia news roundup: shark attack recovery and penguin health

A shark attack survivor named Leah Stewart, who lost her arm in a great white shark incident at Sydney's Coogee beach, has expressed gratitude to donors supporting her recovery. Meanwhile, Australia is dealing with emerging health concerns as a second long-nosed fur seal is suspected to have died from H5 bird flu in South Australia, marking a concerning spread of the virus to marine mammals on the mainland.