Sightings of the mythical big cat of the Grampians have been recorded, dating back over a century.
However, not everyone has the same belief in the animals' existence.
The legend of the panther has been so prominent in Australian folklore that in the late-1970s, Deakin University professor Dr John Henry launched a study in the Grampians to find out the truth.
Dr Henry concluded that "there is sufficient evidence from a number of intersecting sources to affirm beyond reasonable doubt the presence of a big-cat population in Western Victoria."
"This population of big-cats most probably dates from March 1942 and had, as its original location, the Grampians Mountain Ranges."
During World War Two, the most common theory involves American military servicemen who supposedly brought Pumas to Australia as their mascot.
However, this doesn't explain the sightings of the big cats pre-WWII. Other theories include circus and zoo escapes and the widespread exotic animal trade in the 19th century before it was regulated.
The Ballarat Star reported on Saturday, June 21 1924, that a Puma had escaped the Perry's Brothers Circus in St Arnaud.
"Having shown (Perry's Brother's Circus) at St. Arnaud last night, the circus was proceeding to Dunolly, and when the train was about a mile from St. Arnaud the side of one of the cages fell away, releasing a Jaguar and a Puma." The Ballarat Star read.
The whereabouts of the two animals were discovered. However, if big cats were able to escape once, it could have happened again.
"Circus truck crashes or even zoo escapes were ridiculously common, and animals of all types have escaped over the years, including lions," Mr Beed from the 'Missing Panther' podcast explained.
Ben Beed discovered three unidentified newborn creatures high up in a Willow Tree when he was 13-years-old; the mystery has haunted him for the rest of his life.
Mr Beed, now a grown man with a family, has launched the 'Missing Panther" podcast to find out more about the mystery panther sightings reported across Australia since the early 1800s.
Robert Perry from Perry's Brothers Circus got in touch with Mr Beed and revealed another big cat may have escaped from the circus.
"It may have been one of the original Perry's (who told me)," he said.
"I remember him saying.. one got out around Inverell (NSW).
"It was definitely a Panther he was talking about."
The most well-known theory is that the big cat sightings that many people report today could be descendants of abandoned American soldier mascots from World War II.
The belief is that during the second world war, when American soldiers were based in Australia, the troops could sneak in a wide range of animals to have as their mascots.
Mr Beed claimed witnesses speak of seeing dogs, horses, monkeys, bears as well as Puma.
"The stories on this are all over the country."
Mr Beed was contacted by Leanne, a history teacher who grew up in Halls Gap, who could shed some light on the mascots.
"Historically, mascots go back thousands of years across all cultures and continents," she said.
"It was a way of humankind representing some of their war-like features through an animal, whether it was an eagle, bear or mountain lion.
"Mascots not only represent some aspect of human nature that we hope to aspire to, but they also represent something of your own country.
"Mountain Lions represented something extremely American to them."
Leanne recounted her family's first-hand account of the WWII mascots at Halls Gap's Myrtle Bank Guest House to Mr Beed on episode two of the 'Missing Panther' podcast.
"The mascots that my grandparents, father and aunts talked about were always the Mountain Lions," she said.
"My grandmother always spoke about being surprised seeing these huge cats being led around like dogs.
"Their choice was to either put them down or try and release them."
"They let them go to give it at least some kind of chance of survival," Mr Beed said.
Dennis, who Mr Beed interviewed, said his father was an American soldier based in Horsham.
"They were only cubs when he saw them released," he said.
"They weren't full-grown, only babies. He told me that at the end of the war, they couldn't take them back home, apparently, so they just let them go.
"They fed them for a couple of days and they just didn't come back for a third day."
The treatment of big cats in the hit Netflix series Tiger King may seem absurd to many, however exotic zoos are a part of Australian history.
In 1970 Ashton Circus opened the Bacchus Marsh Lion Safari Park in Victoria. The facility opened in 1970 and was a popular tourist destination where the public could drive through the park, seeing the animals roam free.
In 1984 Sydney millionaire Emmanuel Margolin opened the doors to the world's largest private zoo in Mulgoa, named Notre Dame. The zoo held over 3000 species on a 42-hectare estate.
Bullen's Circus also opened exotic animal zoos in New South Wales (1968), Queensland (1969) and Perth (1971).
Mr Beed said, "the stories are endless" of animals escaping private zoos in Australia.
"Even Craig Bullen (Bullen's Circus) was happy to share with me the time that five lions escaped from their enclosure from the Lion Safari Park in Western Sydney," he said.
Amateur big cat researcher Sarah Alsop said she believes the infamous big cat, which supposedly roams the Victorian bushland, maybe a creature which went extinct 35000 years ago.
Ms Alsop said she has tirelessly studied the Otways and Grampians and is determined that "there is definitely something out there".
"What I work on is trying to figure out what this animal is."
Ms Alsop runs the Strange Creatures of Victoria Facebook Page and said the reports she has received are consistent with a Thylacoleo Carnifex.
"We get reports of the Tasmanian Tiger, the black and tanned coloured big cats," she said.
"With some of the prints and some of the descriptions that witnesses are coming in with, they fit the description of the Thylacoleo, which is also known as the Marsupial Lion.
"That animal was around about 30,000 years ago.
"Whether the Thylacoleo or a creature similar is still present out here, that is what I am working on."
Ms Alsop said she doesn't know what is out there, but she will keep trying to find the answer.
"You just don't know, I haven't had that 100% sighting to say yes it's a cougar, yes it's a leopard, yes it's a Tasmanian Tiger or it's Thylacoleo," she said.
"It very well could be more than one species.
"I want to learn and understand what's out there.
"There are so many people who have had an encounter, we all want answers, that is why I am doing what I am doing."
Ms Alsop wanted to encourage residents to come forward if they encountered.
"People keep it to themselves because they don't want the ridicule," she said.
"There have been constant sightings throughout the Grampians, even throughout this year, which has been great.
"They are still out there, we will find out,"
The question remains whether the elusive creature truly exists in the Australian wilderness, however with many different theories and sightings, the truth may soon come out.
Mr Beed encouraged people to research and join him on the journey for the truth.
"If you look at the many possibilities they may have come to be here, it really isn't hard to believe," he said.
"I put the Missing Panther podcast together for people who have an interest in the topic of big cats in Australia, both sceptical or not.
"It doesn't matter what I believe; I went on this journey to explore the possibilities of big cats in Australia and to present it in such a way people can listen and make their own decision.
"It's not just the thousands of sightings, it's the signs and traces these cats have left behind."
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