Looks like a horse to me, but I’d say ferret, cat or Komodo dragon before I guessed “dog”.
Actually, there was a theory that it was really a dragon.
[named “Puff”, if I recall rightly]
;)
Ferret, weasel, etc, before dog, I wholeheartedly agree. I still think it probably started as some erosional features, which may or may not have been seen as or altered into some animal or anthropoid shape, maybe more than once. :’)