President Andres Manuel Lopez Obrador sparked puzzlement and intrigue when he posted the image up on Twitter.
The remains of a creature described as a 'mer-monkey' have been kept at Japan's Enju-in Temple for decades.
The incident allegedly involved a group of children who came across a large bipedal ape-like creature in the woods.
This huge marine creature - a 4-foot-long American eel - has been described as 'basically as big as they get'.
A large bipedal creature was photographed by a fisherman near the Hoh River around 18 months ago.
An image allegedly captured of a Bigfoot-like creature in England has turned out to be a deliberate forgery.
An encounter with two Bigfoot-like creatures back in June 2020 has put Erich James on a mission in search of the truth.
A self-proclaimed Bigfoot expert maintains that there is the potential for Bigfoot to kill or abduct people.
Efforts to identify an animal washed up on a beach in the UK have been generating a number of intriguing suggestions online.
The creature in this footage looks like a strange cross between a wolf and a fox - but as it turns out, it is neither.
A recently uploaded video clip shows what appears to be a large ape-like creature walking between some trees near the shoreline.
A motion-activated trail camera has picked up what appears to be a small humanoid creature peering out of the darkness.
A conservation researcher believes that a rarely seen species of bear could account for sightings of the legendary creature.
Footage allegedly captured during a UFO incident in Brazil in 1996 is rumored to be in line for release in the near future.
This footage of an alleged Bigfoot-type creature emerged 8 years ago and has remained a topic of debate ever since.
No, this isn't an image of a monster from a fantasy movie... it's a creature that you might find in your own garden.
The strange clip shows a police officer firing his gun at an unidentified creature that had broken into a building.
A research group has posted up footage of what appears to be a sonar hit of a large creature swimming in the lake.
For decades, fossil experts have been perplexed by a totally bizarre prehistoric creature.
A pair of paranormal investigators had a terrifying experience with a mysterious growling 'creature'.