Probably the most commonly heard vocalization by deer is the alert snort. It is almost always preceded by the foot stomp. Mature and yearling deer of both sexes uses the alert snort when imminent danger is detected. Many times deer will escape to the edge of what they consider the danger area and give repeated warning snorts to alert other deer. This vocalization is made with the mouth closed while the deer forcefully expels a single blast of air primarily through the nostrils.
Deer make another vocalization during times of acute distress.
It is commonly referred to as the distress call. This apparently uncontrollable outcry is typically made when a deer is severely distressed, such as during an attack by a predator or when the deer is critically wounded. During our efforts of capturing and tagging deer this response was typically made by deer caught in a net or while they were being handled. Deer of both sexes and all age classes seem to be capable of this vocalization. Much like the snort, other deer are instantaneously and acutely alerted when a deer makes this sound.