The evolutionary dynamics of social traits depend crucially on the social structure of a population.
The effects of social structure on social behaviors are well-studied, but relatively little is …

Theories about sexual selection can be traced back to Darwin in 1871. He proposed that
males fertilize as many females as possible with inexpensive sperm, whereas females, with a …

Strategic interactions arise in all domains of life. This form of competition often plays out in
dynamically changing environments. The strategies employed in a population may alter the …

Cheating is a focal concept in the study of mutualism, with the majority of researchers
considering cheating to be both prevalent and highly damaging. However, current definitions of …

The social network structure of animal populations has major implications for survival,
reproductive success, sexual selection and pathogen transmission of individuals. But as of yet, no …

An unresolved controversy regarding social behaviors is exemplified when natural selection
might lead to behaviors that maximize fitness at the social-group level but are costly at the …

Inclusive fitness has been the cornerstone of social evolution theory for more than a half-century
and has matured as a mathematical theory in the past 20 years. Yet surprisingly for a …

Turkey (Türkiye) lies at the nexus of Europe, the Middle East, Central Asia and Africa. Turkey’s
location, mountains, and its encirclement by three seas have resulted in high terrestrial, …

… Erol Akçay* and Joan Roughgarden … e-mail: erol@stanford.edu Consult the copyright
statement on the inside front cover for non-commercial copying policies. … We outline our …

Although much previous work describes evolutionary mechanisms that promote or stabilize
different social behaviors, we still have little understanding of the factors that drive animal …