Conflicts of interest about where to go and what to do are a primary challenge of group
living. However, it remains unclear how consensus is achieved in stable groups with …

Conflicting interests among group members are common when making collective decisions,
yet failure to achieve consensus can be costly. Under these circumstances individuals may …

Cooperation beyond familial and group boundaries is core to the functioning of human
societies, yet its evolution remains unclear. To address this, we examined grooming …

Primate groups need to remain coordinated in their activities and collectively decide when
and where to travel if they are to accrue the benefits and minimize the costs of sociality. The …

Ancestral Pan, the shared predecessor of humans, bonobos, and chimpanzees, lived in
social dominance hierarchies that created conflict through individual and coalitional …

For animals that forage or travel in groups, making movement decisions often depends on
social interactions among group members,. However, in many cases, few individuals have …

Conformity to local behavioral norms reflects the pervading role of culture in human life.
Laboratory experiments have begun to suggest a role for conformity in animal social …

INTRODUCTION Social groups play a foundational role in the behavior of many animal
species. During group interactions, an individual's behavior can affect not only the well …

Behavior is a way for organisms to respond flexibly to the environmental conditions they
encounter. Our own species exhibits large behavioral flexibility and occurs in all terrestrial …

For group-living animals traveling through heterogeneous landscapes, collective movement
can be influenced by both habitat structure and social interactions. Yet research in collective …