Convergent evidence from many species reveals the evolutionary origins of human
friendship. In horses, elephants, hyenas, dolphins, monkeys, and chimpanzees, some …

Dominance captures behavioural patterns found in social hierarchies that arise from
agonistic interactions in which some individuals coercively exploit their control over costs …

The groundbreaking theory of how fire and food drove the evolution of modern humans Ever
since Darwin and The Descent of Man, the evolution and world-wide dispersal of humans …

Humans excel in cooperative exchanges between unrelated individuals. Although this trait is
fundamental to the success of our species, its evolution and mechanisms are poorly …

Domestic dogs (Canis familiaris) and great apes from the genus Pan were tested on a series
of object choice tasks. In each task, the location of hidden food was indicated for subjects by …

The majority of evidence for cultural behavior in animals has come from comparisons
between populations separated by large geographical distances that often inhabit different …

Publisher Summary This chapter discusses the current knowledge of competition and
cooperation in wild chimpanzees. It explicitly focuses on recent field studies that shed new …

Dominance hierarchies are widespread in animal social groups and often have
measureable effects on individual health and reproductive success. Dominance ranks are …

The consumption of fungi by animals is a significant trophic interaction in most terrestrial
ecosystems, yet the role mammals play in these associations has been incompletely …

Intergroup conflict is evident throughout the history of our species, ubiquitous across human
societies, and considered crucial for the evolution of humans' large-scale cooperative …