An Adelaide family has filmed the surreal moment a kangaroo hopped into their backyard trampoline, getting itself trapped for about three hours this morning.

Happy Valley mum Michelle Jones said she was running on her treadmill at about 9.20am today when she saw something flash past her window.

“I just thought, “No. It couldn’t be”,” she said.

But it was.

Mrs Jones managed to make it to her backyard with mobile phone in-hand just in time to see a large kangaroo hopping straight into her seven-year-old son Ryder’s tramp.

But while the sight of a roo on a trampoline sounds like the set up to a dodgy joke, it soon became clear the animal’s plight was no laughing matter.

media_camera Michelle Jones, Happy Valley, filmed the kangaroo on her son's trampoline this morning. Picture: Supplied

“He was very distressed,” Mrs Jones said,

It took several hours of phone calls to councils, the RSPCA and animal welfare groups before they found the Native Animal Network volunteer group and left a message.

“We couldn’t find anyone to help him because there are only two people qualified to do this in South Australia,” Mrs Jones said.

And those people were as far away as the Barossa Valley and waylaid by other commitments. Eventually, Native Animal Network president Ann Pashley made contact and helped talk Mrs Jones and Jackson through the situation.

Based on her advice, her older son Jackson cut a bigger hole in the trampoline’s netting so they could try to coax out the roo with some much-needed water.

It worked and Mrs Jones said the newly-free creature was last seen bounding towards suburbia, in the opposite direction of the Happy Valley Reservoir from which it was believed to have come.

media_camera Resident Michelle Jones captured video of a kangaroo jumping in her trampoline in Happy Valley. Picture: Supplied media_camera Resident Michelle Jones captured video of a kangaroo jumping in her trampoline in Happy Valley. Picture: Supplied

Mrs Jones said she hoped it had survived the ordeal unscathed but said she could not be sure.

Mrs Pashley said she was happy to hear the distressed animal had made its way to freedom and said anyone else who found a kangaroo or other native animal trapped or injured should keep their distance and call her network of volunteers for advice.

“Do not approach them because they can be dangerous, even an injured animal on the road can be dangerous or could hop away so we can’t ascertain its injuries,” Mrs Pashley said.

“But please do stop and report it to someone … we are only a small group of volunteers and we can’t be everyone but we will help where we can.”

The Native Animal Network can be contacted on 0411 102 736 or found on Facebook.