Behavioural ecologists are increasingly using social network analysis to describe the social
organisation of animal populations and to test hypotheses. However, the statistical analysis …

Social animals live and interact together, forming complex relationships and social structure.
These relationships can have important fitness consequences, but most studies do not …

Animals lead rich social lives. They care for one another, compete for resources, and mate.
Within a society, social relationships may be simple or complex and usually vary …

SOCPROG is a set of programs which analyses data on animal associations. Data usually
come from observations of the social behaviour of individually identifiable animals …

Patterns of coalitionary aggression among female animals are generally explained by kin
selection theory. Frequent female coalitions are almost exclusively observed in female …

Controversy exists regarding the nature of primate social relationships. While individual
primates are frequently hypothesized to form enduring social bonds with conspecifics, recent …

Behavioral ecologists have devoted considerable effort to identifying the sources of variation
in individual reproductive success. Much of this work has focused on the characteristics of …

Unlike humans, who came down from the trees and developed bipedal locomotion,
chimpanzees have remained in the original habitat of our ancestors: the tropical rainforests …

The complex cooperative behavior exhibited by wild chimpanzees generates considerable
theoretical and empirical interest, yet we know very little about the mechanisms responsible …

Demographic data on wild chimpanzees are crucial for understanding the evolution of
chimpanzee and hominin life histories, but most data come from populations affected by …