Reproductive inequality, or reproductive skew, drives natural selection, but has been difficult
to assess, particularly for males in species with promiscuous mating and slow life histories …

Observations of chimpanzees (Pan troglodytes) and bonobos (Pan paniscus) provide
valuable comparative data for understanding the significance of conspecific killing. Two …

There exists an undeniable chasm between the capacities of humans and those of animals.
Our minds have spawned civilizations and technologies that have changed the face of the …

Infanticide is well documented in chimpanzees and various hypotheses have been
proposed to explain this behavior. However, since infanticide by chimpanzees is relatively …

A large body of theoretical and empirical research suggests that kinship influences the
development and maintenance of social bonds among group‐living female mammals, and …

To answer tantalizing questions such as whether animals are moral or how morality evolved,
I propose starting with a somewhat less fraught question: do animals have normative …

Understanding the rates and causes of mortality in wild chimpanzee populations has
important implications for a variety of fields, including wildlife conservation and human …

In chimpanzees, Pan troglodytes, females transfer from their natal group shortly after sexual
maturity to permanently join another group. A conflict of interest exists between female and …

Social norms are commonly understood as rules that dictate which behaviors are
appropriate, permissible, or obligatory in different situations for members of a given …

The extent to which active female mating preferences influence male reproductive success
in mammals is unclear, particularly for promiscuously breeding species like chimpanzees …