… evolutionary link between social group size in sciurid rodents and individuality in their
social … Our results suggest that social group size may promote the evolution of individual …

… distribution of group size plotted against brain size is … evolution of bonded social groups. In
addition, we show, for those species that live in multilevel social systems, that the typical sizes …

… group size and brain size that we find in this taxon. This raises issues about why bonded
relationships are cognitively so demanding (and, indeed, raises questions about what a …

… Time allocation therefore deserves a place among the many ecological and life-history
variables already considered in models of social evolution. By including time-allocation patterns …

… group sizes. The result can be expressed in terms of either average group size or number of
groups… di!er in their evolutionary responses to population size, group size, and assortment …

… low but not at high group sizes [34,36]. In these cases, variations in the relative frequencies
of groups of different size could have accounted for the variable fulfilment of Hamilton's rule. …

… We also found that the maximum group size of weaned ELGs in the lowland forest (Itebero) …
may contribute to an understanding of the social evolution of the genus Gorilla and to wise …

… groups persist for longer if they are capable of dynamically altering their membership,
suggesting that an ability to change the group … To quantify this aspect of community evolution, we …

… This study focuses on the manner in which (a) group size and (b) the number of interactions
allowed between players affect the ability of a group to sustain global cooperative behaviour…

… cephalization and group size allows us to predict the point in hominid evolution at which
groups became so large that language would have been necessary to maintain social cohesion…