Darwin developed the theory of sexual selection to account for the evolution of weaponry,
ornamentation and other secondary sexual characters that are commonly more developed …

▪ Abstract Burying beetles conceal small vertebrate carcasses underground and prepare
them for consumption by their young. This review places their complex social behavior in an …

The author shares some lessons learned from a lifetime of working with and thinking about
groups. Three types of groups are described, including the impact they have on the …

Despite the depiction of nature" red in tooth and claw", cooperation is actually widespread in
the animal kingdom. Various types of cooperative behaviors have been documented in …

One of the enduring puzzles in biology and the social sciences is the origin and persistence
of intraspecific cooperation and altruism in humans and other species. Hundreds of …

We describe more precise definitions for the term “eusociality” and other social systems. Our
criterion for eusociality is the presence of castes, which are groups of individuals that …

Covering the major topics of evolutionary game theory, Game-Theoretical Models in Biology,
Second Edition presents both abstract and practical mathematical models of real biological …

African mole-rats are a unique taxon of subterranean rodents that range in sociality from
solitary-dwelling species to two" eusocial" species, the Damaraland mole-rat and the naked …

The broad limits of mature colony size in social insect species are likely to be set by
ecological factors. However, any change in colony size has a number of important social …

Eusocial societies are traditionally characterized by a reproductive division of labor, an
overlap of generations, and cooperative care of the breeders' young. Eusociality was once …