Have to agree, there doesn't seem to be much weathering especially on that centre ridge, but why was it was carved in that shape in the first place? I like the cloven hoof idea - maybe a local stone-mason wanted to have a laugh -
"Hey lads, last night I saw a 50 foot high mountain goat"
> "Pull the other one!"
"Come on, I'll show you . . . ."

-Chris