It appears to show a mysterious creature lurking behind trees on the edge of a thickly-forested area.
They uploaded it the YouTube channel Modern Galaxy and since then it has been viewed 126,000 times, with plenty of viewers apparently convinced of its veracity.
One remarked: “The thing is freaking huge and wide as hell. You can see where the direction of the sun is coming and can see the sun shine off of the fur of the creature.
Another added: “Don’t know what it is…but it’s not a bear that I am sure…just wish they zoomed in, or follow up video of the location,” while a third commented: “It looks like a bigfoot to me.”
Last year saw a rash of sightings of Bigfoot, which is also known as Sasquatch.
In 2017, a farmer claimed to have seen a whole family of the creatures, adding that one of them was carrying a pig while running through his California ranch, while in another incident, also in California, a video appeared to show a Bigfoot-type creature swinging through trees.
And Hollywood actor Rob Lowe said an encounter with a “wood ape” while filming a paranormal reality show in Missouri left him in fear of his life.
Tales of the mythical beast, which is reported to be between 6 and 9 feet call and covered in thick shaggy hair, precede the colonisation of North America, with frequent references to them in Native Americans folklore.
Filmmakers Roger Patterson and Robert Gimlin hit the headlines in 1967 when they unveiled a minute-long film in Bluff Creek in Northern California showing an ape-like creature striding through a clearing in the forest.
The footage is probably the most famous Bigfoot film of all time – but sceptics have since claimed it was an elaborate hoax.