Australia discovers 17,300-year-old oldest kangaroo rock art

Australia has found the oldest known rock art to exist on its soil - a 17,300-year-old 6.5 feet tall painting of a kangaroo.

The artwork, painted in red ochre, was found on the ceiling of a rock shelter in Western Australia's Kimberley region, reports BBC. 

The region is known for its Aboriginal rock paintings. The scientist duo who unearthed the artwork is researchers Damien Finch and Dr Sven Ouzman. 

Its age was determined by radiocarbon-dating ancient mud wasp nests. The findings were published on Tuesday in the journal Nature Human Behaviour.

Damien Finch, who pioneered the mud wasp dating technique, said it was rare to find mud wasp nests both on top and underneath a single artwork.

But the team was able to sample both types to establish the artwork's minimum and maximum ages.

"We radiocarbon dated three wasp nests underlying the painting and three nests built over it to determine, confidently, that the painting is between 17,500 and 17,100 years old; most likely 17,300 years old," said Dr Finch, a geochronologist from the University of Melbourne.

Scientists say this estimation makes the artwork the oldest known intact painting in Australia.

The study's co-author Dr Sven Ouzman, from the University of Western Australia, added there could be a link between the kangaroo painting and the ancient art from other regions.

"This iconic kangaroo image is visually similar to rock paintings from islands in South East Asia dated to more than 40,000 years ago, suggesting a cultural link - and hinting at still older rock art in Australia," he said.

Earlier this year, researchers found the world's oldest animal cave painting, a 45,000-year-old life-sized depiction of a pig, on the island of Sulawesi in Indonesia.

In South Africa, a hashtag-like doodle created 73,000 years ago is believed to be the oldest known drawing.