I was thinking that the "unusual" aspect wasn't so much the chase (chasing things is what wolves do), but rather that the wolf refused to leave even when other cars pulled up, and that someone needed to bonk him with a rock. Most wild critters recognize bad odds when they see them.
I suspect this particular wolf is destined to very soon become a fur ruff on someone's parka hood.
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"Toto, I've a feeling we're not in Kansas any more."
-Dorothy, in The Wizard of Oz