I wouldn't know a wolf if it bit me on the tuckus, but that does look like a dog.
Then again, a big dog, loose and maybe living wild, is likely a candidate for an attitude adjustment. Depends I guess, on whether or not it was aggressive, or trying to get away.
I know enough about life, to not armchair quarterback.
Probably the worst thing she did, or at least the dumbest, was to splash pics on the interwebz.