A woman holidaying in northern Australia was bitten by a snake just hours after her husband was stung by a poisonous jellyfish during an “unlucky” outback family camping trip.

The first of the encounters with the local wildlife occurred while the father was walking along the shoreline in a remote coastal parkland in the Northern Territory.

He was stung by a box jellyfish, a potentially lethal creature which is common in the area but typically poses less of a threat during the current drier months.

The man was seen by a park ranger but reportedly recovered after being treated with vinegar.

Hours later, his wife, aged 32, was walking near the family’s campsite at about 8pm when she was bitten by a small yellow snake.

She was flown by helicopter to a hospital in Darwin, about 200 miles away. “They were unlucky to get two goes,” said Ian Badham, from CareFlight, a rescue service.

“At this time of the year the jellyfish should not be there. It must have been a late party and it had not quite left.”

The woman was treated in hospital for 24 hours and released.

Mr Badham did not know whether the family had returned to their home in the state of Queensland, but added: “I think they decided to get out before the kids get anything.”