Even experienced cat owners can find themselves puzzled by sudden aggression in their feline friends. Cats can act out for many reasons—stress, pain, fear, or even underlying health issues. If your kitty’s behavior has changed, don’t ignore it. This in-depth article explains different types of aggression in cats and how to handle it effectively as a pet owner. https://www.petmd.com/cat/behavior/cat-aggression-fighting-biting-and-attacking
Cat Aggression: Fighting, Biting, and Attacking