my grandmother's village had a story about a woman they called Zana. apparently it's a documented case??

Posting this because I finally found out the thing my Abkhazian relatives used to mutter about is actually in the cryptozoology literature and I'm a little freaked. Growing up, older family from around Tkhina (small village ~80km from Sukhumi) would talk about a "wild woman" their great-grandparent……