You’ll want sound up for this! Western lowland gorillas have more than 20 unique vocalizations, each meaning something different, including contentment, playfulness, displeasure, or aggression. Tune in here to hear laughter – typically used during play; the bark – usually done several times to express displeasure or anger or when a gorilla wants something another individual has, such as fruit; and the grumble, used to express contentment or to communicate with other members of the group in a pos