This book presents the first unified conceptual and statistical framework for understanding the evolution of reproductive strategies. Using the concept of the o

Using the concept of the opportunity for sexual selection, the authors illustrate how and why sexual selection, though restricted to one sex and opposed in the

This book explores the biological roots of social, sexual and reproductive monogamy in birds, mammals and humans.

Sperm Competition and the Evolution of Animal Mating Systems describes the role of sperm competition in selection on a range of attributes from gamete morpholog

Insects and arachnids display the most impressive diversity of mating and social behaviour among all animals. This book investigates sexual competition in these