Organisms filter the complexity of natural stimuli through their individual sensory and
perceptual systems. Such perceptual filtering is particularly important for social stimuli. A …

This comprehensive introductory text integrates evolutionary, ecological, and demographic
perspectives with new results from field studies and contemporary noninvasive molecular …

Human language is thought to have evolved from non-linguistic communication systems
present in the primate lineage. Scientists rely on data from extant primate species to …

Relationships support social animals' health, but maintaining relationships is challenging.
When transitioning to parenthood, new parents balance pair‐bond maintenance with infant …

In pair-living species, female and male pairs may maintain stable social bonds by adjusting
spatial and social associations. Nevertheless, each sex invests differently to maintain the …

Direct care of offspring by the father (sire) is relatively rare in primates. Besides humans,
there are a number of species where the male is essential for the survival of offspring …

Nonhuman primate vocalizations have been traditionally described as stereotyped and most
likely genetically determined. However, there is increasing evidence of flexibility with a wide …

The evolution of human language is a topic that has received undiminished attention.
Numerous hypotheses for the origin of human language have been proposed, including …

Although studying communication among nocturnal primates is particularly challenging,
decades of research provide sufficient evidence to recognize that communication between …

Olfactory behaviors serve a wide variety of social functions in mammals. Odor may signal
information about attributes of individuals important for mating and reproduction. Olfactory …