Grey mouse lemurs are small primates that make a variety of sounds, including chirping, clicking, and grunting. These noises help the animals communicates with each other and can be used to convey specific messages. For example, chirping may be used to identify a potential mate or warn of danger. Clicking and grunting sounds may also be used during social interactions. The exact meaning of these noises is not fully understood, but they play an important role in grey mouse lemur communication.