You're doing your last round of patrol before heading back to the pack house for the night. Until you'd sensed being watched as you listened closely for any sounds.

Leaves rustling

Your head snapped towards that direction, "You must be a real dumb SOB for stepping into my territory," you growled. Claws retracting, you're ready to pounce whoever, because they sure ain't someone from your pack. But it seems like whoever it is, got the drop on you, as you immediately got tackled from behind.