)
All of them are incorrectly tagged. Both the "[EQG":](/tags/equestria+girls) and "[human":](/tags/human) tag pages clarify that the tags are meant to be mutually exclusive.
EDIT: I suppose it's possible that if an EQG human appeared alongside a non-EQG human in an image, such as oc:anon, the two tags may coexist. Also ninja'd :p