A rival thylacine tracking group has dismissed as "over-hyped" vision purportedly of a Tasmanian tiger released on Wednesday.

The vision recorded last November was shown at a press conference by a group called the Booth Richardson Tiger Team (BRTT), which has been trying to track a thylacine.

Tasmanian wildlife expert Nick Mooney examined the video and said while it was most likely a spotted quoll, there was a 20 per cent chance the animal was a Tasmanian tiger.

Neil Waters, founder of the Thylacine Awareness Group, said he did not doubt the conviction of the Booth Richardson Tiger Team, but was not convinced.

"I think their testimony seems very genuine …I think the hype and the build-up that they created in the lead-up to them releasing their footage was a little bit overestimated I suppose, I don't think their footage was anywhere near as conclusive as we'd hoped it would be," he said.

Sorry, this video has expired Mr Waters believes the stripes in the bottom left corner is the rump of a thylacine grooming itself.

Mr Waters said he had evidence of thylacines in South Australia and Western Australia.

He is releasing a documentary on the hunt for the thylacine this weekend at Nanup in Western Australia, which has a history of sightings in the area.

The last captive thylacine named "Benjamin" died in the Hobart Zoo on September 7, 1936, and the species was officially declared extinct in in 1986.

Farmer claims a lifetime of sightings

There have been many sightings of Tasmanian tigers reported over the years.

North-east Tasmanian farmer Andrew (who did not want his last name used) said he saw his first thylacine as a young boy, and at the age if 51 has shared information with Mr Waters and Mr Mooney about thylacines he said he had tracked.

Andrew said he had taken many photos of thylacines in north east Tasmania. ( Supplied )

"The three groups I study at the moment are at least 150 kilometres away from each other, so they're definitely not the same ones," he said.

"I've got 22 cameras in one spot, and I'd be lucky to get one photo a year, but I'll spot them about twice a year.

"Very elusive, but you'll know they're there, you'll smell them if they're a male, but because they're lower than fern height, you'll really only see the head, he'll poke the head up through the ferns, and check you out, but as soon as you make eye contact, away he'll go.

"They thump their feet fairly heavy as the run, and then they'll go dead quiet and they just vanish.

"They live in a little family group, and they hunt in a little family group, most of the time, sometimes they'll leave a young male behind, and he'll hunt by himself, but most of the time they'll stick in little family groups."

Sorry, this video has expired What is claimed to be a thylacine in SA

Andrew said he was confident that thylacines exist throughout Tasmania.

"There's breeding pairs in the north east, there's definitely got to be breeding pairs in other parts of the state," he said.

But he is worried about the animal's future.

"There are people out there who would still shoot them I've had people say to me, they'd shoot it to prove that it did exist," he said.

Mr Mooney told ABC Radio Hobart that technology allowed people to produce evidence of thylacines to be scrutinised.

Andrew said he has 22 cameras taking photos of what he believes are thylacines in NE Tasmania. ( Supplied )

"The advent of these trail cameras has revolutionised what people can do, you actually don't need a lot of skill to put a camera out there in a good looking spot," he said.

"But also phones — people are regularly sending me sound recordings of something they heard at night, so there's been a plethora of these sorts of video snippets and sound bites in the past few years, simply because the technology is available.

"People were always reporting that stuff but we had nothing beyond their word to work on."

Vision stirs debate on social media

The vision released on Wednesday inspired others on social media to do their own citizen science.

"Yeah I saw this. Not conclusive but still interesting. I think I might buy a trail camera just for times we go out camping. Set it up at night. Ya never know," Brett Harvey said.

Josie Jackson was concerned about the actions of the thylacine trackers.

"Why are they trying to track one down, leave it alone if it's out there and let them breed in peace, what's the point in catching one, there could be only one pair left and that will be the end of that again. Stupid people."

Others were sceptical.

"If you look closely you can see Elvis…thank-you, thank-you very much!!" said Glen Nutting.

Frank Coleman linked the vision to a controversial Tasmanian pest control program.

"It's a fox…" he said.

While John Young thought: "It might be a yeti in disguise?"