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 …

Observation of leadership in small-scale societies offers unique insights into the evolution of
human collective action and the origins of sociopolitical complexity. Using behavioural data …

We provide the most up-to-date evidence available in various behavioral fields in support of
the hypothesis that the emergence of bipedalism and cooperative breeding in the hominin …

Leadership is widespread across the animal kingdom. In self-organizing groups, such as
fish schools, theoretical models predict that effective leaders need to balance goal-oriented …

Social relationships are fundamental to animals living in complex societies [1–3]. The extent
to which individuals base their decisions around their key social relationships, and the …

Highlights•We tested Gouldian finch personality in an asocial and social setting.•Our
experiments show birds' behaviour changes according to their partners' identity.•Shy birds …

Because collective movements have fitness consequences for all participants, group travel
can impose conflicts of interest when group-mates vary. Challenges associated with …

Collective intelligence refers to the ability of groups to outperform individual decision-
makers. At present, relatively little is known about the mechanisms promoting collective …

The costs and benefits of group-living are not distributed evenly among group members.
Individuals that maintain positions on the front, outside edge of the group encounter most …

Leadership is commonly invoked when accounting for the coordination of group movements
in animals, yet it remains loosely defined. In parallel, there is increased evidence of the …