An enormous scrub python has been spotted trying to devour a wallaby on a property in Far North Queensland this week, showcasing the unique abilities of one of Australia's largest snakes.

Key points: The reptile was spotted feasting on the wallaby on Tuesday morning

The reptile was spotted feasting on the wallaby on Tuesday morning The property owner says it is the biggest python she has seen

The property owner says it is the biggest python she has seen An expert says the amethystine python is one of the largest pythons in Australia

Photographs of the massive amethystine python, also known as a scrub python, were taken by Lisa Delany on her Mission Beach property on Tuesday after she spotted the reptile attempting to eat the marsupial for breakfast.

She said she first saw the python at about 7:30am and although snakes were common in the region, she never expected to witness such a sight.

"I was driving back up the drive and glanced back across the paddock and saw something big and thought 'oh no, I don't like the look of this'," Ms Delany told the ABC.

"I parked the car and had a look and from a distance I could see that it was a python.

"There are a lot of those around here … but it's pretty rare to see them eating something that big."

The python struggled to digest the wallaby and eventually gave up on the meal. ( Supplied: Lisa Delany )

Ms Delany said the reptile tried to devour the feast for a few hours before eventually giving up on the oversized meal.

She said at one point she even felt sorry for the snake after it had put so much effort in.

"It was starting to get quite hot and I felt kind of sorry for the snake because it was going to all this effort," she said.

"I went and got a really big umbrella and sort of laid it so it was casting some shade on it.

"I went back later and had a look and it had sort of regurgitated a bit of [it] and was trying to work its way back up the body.

"Whether it got too hot or it felt threatened, it had just given up … I've just been keeping an eye out in the meantime."

Snake expert says 'their jaw completely dislocates'

Rolly Burrell from Snake Catchers Adelaide said it was quite common for amethystine pythons to target wallabies.

However, he said it could also be quite a dangerous meal option for the reptile.

The scrub python can grow to more than eight metres in length. ( Supplied: Lisa Delany )

"It's one of our largest pythons in Australia … they go for wallabies, pigs, baby goats, chickens," Mr Burrell said.

"After they've eaten something that size they have to curl up somewhere and digest it.

"Some of them even die, if they eat a prey that's too big, the animal inside bloats up to a massive size and they could die."

Mr Burrell — who said he had seen a 22-foot python in his travels around Australia — said he was not surprised to hear the reptile had given up on the feast.

"They actually break away [their jaw], their jaw completely dislocates, it's really quite unique," he said.

"If they get interfered with or someone is there watching them, they can sense that sort of thing and it may put them off.

"Sometimes they will go and completely try and eat it and realise halfway through that they can't digest it."

'Too interesting not to share'

It took several attempts by two people to bag this python at Mission Beach last month. ( Facebook: Megan Prouse )

Ms Delany said her family had lived at the property for 15 years and were used to seeing snakes around the yard, but she knew on this occasion the encounter was something she had to capture.

"I've seen a much smaller python but that's the only really big python I've seen on our property," she said.

"It was a bit gruesome but it was too interesting not to share.

"It's pretty rare for them to go for something that big … it was quite amazing."

The discovery comes as a snake catcher caught an enormous python at a family home at Mission Beach last month.

The 40-kilogram, 5.5-metre python was captured after being spotted in a resident's shed before it slithered into the laundry.