Ants, Wood Grouse Cocks, Owls and rest of similar animals that can engage in combat with player in come cases, when player engage:
Animal goes into an object: ant hill, tree, stone, etc. allowing it to attack player without player being possible to strike back and stirring a headache. In case of owls and eagles, it hurts.
animal cheesing players
![Trollface ¦]](./images/smilies/troll.gif)
edit: I'm sure even a fox can do that, where despite even having a spear, on certain angles, it could hit me but I couldn't hit it back without repositioning.