Scientists say an Aboriginal rock art depiction of an extinct giant bird could be Australia's oldest painting. The red ochre painting, which depicts two emu-like birds with their necks outstretched, could date back to the earliest days of settlement on the continent.
Archaeologist Ben Gunn said the giant birds became extinct more than 40,000 years ago.
OK, it’s not strictly a duck, it’s a stem anseriform. It could be the oldest painting anywhere.