Cape white-eyes frequently communicate vocally, and are known for their noisy gatherings. They produce loud contact calls which which include descending musical notes. Often these calls are described mnemonically as “tirri-you, tirri-you, tirri-you” or “ti-you, ti-you, ti-you." Only male Cape white-eyes sing. These songs mostly imitate those of other birds in the area. Cape white-eyes also use beak clapping and quivering wings to intimidate other birds and communicate rank in the dominance hierarchy. Adults also allopreen offspring or mates to strengthen bonds. Like all birds, Cape white-eyes perceive their environment through visual, tactile, auditory and chemical stimuli.

Communication Channels: visual ; tactile ; acoustic

Other Communication Modes: mimicry