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Preface The dynamics of social behaviour — the importance of dispersal and the environment Social behaviour garners broad interest: biologists, social scientists, psy- chologists and economists all incorporate a consideration of social behaviour in their studies. This breadth of interest is unsurprising, as the vast majority of animals live in social environments, and their lives are affected by the pres- ence and activity of others around them. Social behaviour takes diverse and fascinating forms in a wide variety of taxa. Individuals spend time interact- ing with members of their own, or other, species, they attract mates, care for offspring and group together for hunting or safety, and migrate from one site to another (Wilson, 1975; Dugatkin, 1997). There are, however, differences between individuals, populations and species in the extent of the amount of social interactions and expression of social behaviour. These differences are explained in the context of evolutionary theory, based on the idea that in- dividuals are selected for their ability to efficiently translate resources into fitness (survival and production of young), maximizing their genetic contri- bution to future generations (Fisher, 1930; Wright, 1932; Hamilton, 1964; Maynard Smith, 1964). Individuals with the most suitable genetic material to
Behaviour – Brill
Published: Jan 1, 2010
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