animal smells and porcupine quills

Sitri listened and it was his turn to smile thinly making his marred face more ghoulish if possible. No curses doesn't feel evil just old, but maybe there is creepies and ghoulies here that we have yet to meet. he smiled not understanding the complete context of a joke, but understanding that this was one. Sitri picked up his kill after a brief nod of deference to the other male for his good kills as well. He continued doggedly on.

As he sniffed and parted branches and brush, the scent before the middle sized creature. He took off in hot pursuit and he pushed his muzzle into a bush intent to see what it was, What met him was a bizarre looking creature standing rigid and it's fur was all standing on end and it's tail was facing him. Growling he made to attack it as suddenly it moved and he grunted in pain as sharp pricks went into his muzzle and he backed up quickly barbs of something sticking in his muzzle. He looked at it, trying to figure out what to do. He laid down ears at the stinging pain that was not going through his muzzle and it was painful to touch too. What is this devilment?