Behavioral ecologists, evolutionary biologists, and anthropologists have been long
fascinated by the existence of “monogamy” in the animal kingdom. Multiple studies have …

Abstract Knowledge of kin relationships between members of wild animal populations has
broad application in ecology and evolution research by allowing the investigation of …

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

Understanding the evolution of mating systems, a central topic in evolutionary biology for
more than 50 years, requires examining the genetic consequences of mating and the …

Territorial pair-living species tend to occupy and defend stable areas, assumed to contain all
the resources needed for the lifetime of the group. Furthermore, groups have to mediate …

Gibbons are generally reported to live in small socially monogamous family groups in which
both sexes disperse when they reach maturity. For the first time, we documented the …

Animal vocal signals may provide information about senders and mediate important social
interactions like sexual competition, territory maintenance and mate selection. Hence, it is …

In pair-living mammals, genetic monogamy is extremely rare. One possible reason is that in
socially monogamous animals, mate choice can be severely constrained, increasing the risk …

Primate facial musculature enables a wide variety of movements during bouts of
communication, but how these movements contribute to signal construction and repertoire …

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 …