It is possible for cats to be angry when their pupils are constricted, but it is mainly affected by light, because cats can see more clearly with constricted pupils. Cats will constrict their pupils when there is sufficient sunlight outdoors, and they will also constrict their pupils when they are catching prey. Zoom out to lock on target. Cats will erect their ears and stare when they are angry. Owners can judge whether a cat is angry by observing its body movements.