Proximate factors mediating “contact” calls in adult female baboons (Papio cynocephalus ursinus) and their infants.

“Contact” calls are widespread in social mammals and birds, but the proximate factors that motivate call production and mediate their contact function remain poorly specified. Field study of chacma baboons ( Papio cynocephalus ursinus) revealed that contact barks in adult females were motivated by separation both from the group at large and from their dependent […]