Deer are generally quiet animals. Alarmed deer generally choose to depart unobtrusively but may issue a vocal warning to others of a potentially dangerous intruder in their vicinity. An observer who has been detected by an unseen deer may at least be able to identify it by the sound it makes.
The males of most deer species make characteristic calls during the rut. Females and young will maintain contact with each other using various bleating or piping calls.
Red deer
This species is characteristically silent apart from during the rut. During the rut the stag roars, especially around first and last light. The sound resembles the bellow of a bull but with a deeper intonation, and usually
