One of the earliest recognized forms of sexual conflict was infanticide by males, which
imposes serious costs on female reproductive success. Here I review two bodies of …

Primates, like other mammals, exhibit an annual reproductive pattern that ranges from strictly
seasonal breeding to giving birth in all months of the year, but factors mediating this …

Deception is a universal feature of life, at all levels and in all relationships both within
species and between species, inside individuals and outside, with strong effects on both …

Cooperative behavior is a hallmark of the primate order. Cooperation is therefore an area of
intensive theoretical research in biology, anthropology, political sciences and economics, as …

Accurate estimates of a primate's home range are important, yet methods vary greatly. This
paper examines the accuracy of minimum convex polygon (MCP), adaptive kernel (AK) and …

Highlights•Cooperation between males in reproductive contexts is an underappreciated and
puzzling behaviour.•We define male–male cooperation in reproduction and identify different …

P RIMATE SOCIALITY has many faces. Some callitrichines form small groups with just one
reproducing female and others who help care for her young. Hamadryas baboons (Papio …

Coalitions and alliances are ubiquitous in humans and many other mammals, being part of
the fabric of complex social systems. Field biologists and ethologists have accumulated a …

Recent studies have uncovered remarkable variation in paternity within primate groups. To
date, however, we lack a general understanding of the factors that drive variation in paternity …

Social bonds, here defined as strong, equitable and enduring social relationships, increase
fitness in both male and female primates irrespective of their dispersal regime. Despite the …