With what appear to be two legs and some sort of face, the alien-type discovery looks as if it’s a prop from a freaky horror B-movie.
The bizarre photo appeared on Reddit with the caption “Friend found this outside her house. Wtf indeed…”
It was also shared on Facebook by Gianna Peponis, who said: “I wasn’t gonna post this but I can’t stop trying to figure out wtf this thing is.
IMGUR “I heard something scream at like 11.30 last night and went on my side yard and found this thing. It was dead when I found it.”
It is understood the creature was found in San Jose, California – the same state where a mysterious UFO was spotted in the sky at the weekend.
The weird finding sent the internet into overdrive trying to work out what it is.
Reddit user LollyMac wrote: “I don’t know what the f*** that is. If your friend is brave enough to remove it from their property, remind them to salt the ground afterwards.
“Nothing good can ever happen there now.”
Albatraozz added: “I think it’s beautiful.”
Some claim the discovery is half of a deer foetus that has been eaten by predators.
Piesseji wrote: “Miscarried deer half-eaten by racoons etc.”
In July, a woman posted a “creepy” photo of a mystery monster with no eyes online.
The baffled mum found the remains of a monster in a forest and asked the internet what it could be.