This thesis offers an alternative to the conventional 'social intelligence'hypothesis: that the
complexity of primate group emerges from dynamic, short term variation in partner …

Collective movements are essential for the effective function of animal societies, but are
complicated by the need for consensus among group members. Consensus is typically …

The exchange of information regarding the environment is continuous within social groups
of non-human primates. As an outcome, knowledge and decisions are socially distributed …

In many animal societies, groups of individuals form stable social units that are shaped by
well-delineated dominance hierarchies and a range of affiliative relationships. How do …

When foraging in a social group, individuals are faced with the choice of sampling their
environment directly or exploiting the discoveries of others. The evolutionary dynamics of …

Current socio-ecological theory assumes that social systems are the result of adaptations,
and thus subject to evolutionary modification by selection (Crook & Gartlan, 1966; Emlen & …

The topic of collective animal behaviour has seen a surge of interest in recent years, with the
diversity of organisms under study ranging from bacteria to humans in crowds. A large part …

Highlights•Humans engage in a wide range of group-level cooperation and competition.•We
investigate the evolution of group cooperation and its underlying group-mindedness.•We …

Group-living animals frequently face situations in which they must coordinate individual and
sometimes conflicting goals. We assessed chimpanzees' ability to coordinate in a Stag Hunt …

Chimpanzees act cooperatively in the wild, but whether they afford benefits to others, and
whether their tendency to act prosocially varies across communities, is unclear. Here, we …