Animals have bad tempers, too. Just like people, they become angry and at times, they are not able to control it. So, as a result, they end up in a fight, sometimes in a big fight. They claw and gnaw at each other, and at times, they bite their object of anger.
Watch this video as an angry cat claws his housemate and he did not listen to their owner when he was told to stop. See how the cat reacted to his surging anger. You will find it cute and funny!