ocr: EAR MARKINGS ANY CAT SPECIES, such as this serval, have white or pale spots Mont the back of their ears. Cats use their ears to communicate with other members of their own species. To express aggression, for example, the ears are held upright. The white spots serve to reinforce the aggressive message. They may also help kittens or cubs tollow their mother in dark forests or at night. All cats use their ears and tails when communicating with one another. Cats with short tails, such as the caracal, usually have large or tufted ears to compensate for the lack of one means of communication. SEE AL ...