Communication and Perception
Golden monkeys are a highly vocal species, with males and females specializing in certain calls. Male vocal behavior is characterized by whines (long, wavering cries that accompany grooming and eating) and bawls (short, exhaled cries that are not situation-specific). Female vocal behavior typically consists of chucks ("ee-tcha" sounds that occur in highly stimulating contexts) and shrills (squeaks and squeals uttered in response to male whines). Both sexes indulge in other vocalizations -- grunts, sighs, moans, belches -- but to a much lesser degree. An interesting aspect of golden monkey vocalizations is the ventriloquist-like absence of any body or facial movement. This is particularly true of whines and shrills, which are often exchanged by males and females while they are eating. Captive male-female pairs of golden monkeys often vocalize in duets, not unlike those observed in some species of monogamous birds. In the wild, chorus-type vocalizations involving groups or sub-groups are common.
(Kirkpatrick 1995, Tenaza 1988)
In addition to vocalizations, these monkeys communicate with body posture (presenting for mating, etc.), and tactile communication (mounting, mating, grooming, nursing). Chemical communication has not been reported, but may be present.
Communication Channels: visual ; tactile ; acoustic
Perception Channels: visual ; acoustic
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