Homosexual Behaviour in Animals: An Evolutionary Perspective

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Format: Paperback
Pub. Date: 2011-02-17
Publisher(s): Cambridge University Press
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Summary

Behavioural observations from both the field and captivity indicate that same-sex sexual interactions are widespread throughout the animal kingdom, and occur quite frequently in certain non-human species. Proximate studies of these phenomena have yielded important insights into genetic, hormonal and neural correlates. In contrast, there has been a relative paucity of research on the evolutionary aspects. Homosexual Behaviour in Animals is a 2006 text which seeks to redress this imbalance by exploring animal same-sex sexual behaviour from an evolutionary perspective. Contributions focus on animals that routinely engage in homosexual behaviour and include birds, dolphin, deer, bison and cats, as well as monkeys and apes, such as macaques, gorillas and bonobos. A final chapter looks at human primates. This book will appeal to graduate students and researchers in evolutionary biology, biological anthropology, zoology, evolutionary psychology, animal behaviour and anyone interested in the current state of knowledge in this area of behavioural studies.

Table of Contents

Introduction:
Homosexuality in animals. Topics, hypotheses, and research trajectories Volker Sommer
Non-primates:
Making the best of a bad situation. Homosociality in male greylag geese
Pink flamingos. Atypical partnerships and sexual activity in colonially breeding birds
Establishing trust. Sociosexual behaviour and the development of male-male bonds among Indian Ocean bottlenose dolphins
Going with the herd. Same-sex interaction and competition in American bison
Exciting ungulates. Male-male mounting in fallow, white-tailed and red deer
Frustrated felines. Sexual mounting between males in feral cats
Primates:
The pursuit of pleasure. An evolutionary history of homosexual behaviour in Japanese macaques
Getting to know you. Female-female consortships in free-ranging rhesus monkeys
A wild mixture of motivations. Same-sex mounting in Indian langur monkeys
Playful encounters. The development of homosexual behavior in male mountain gorillas
Social grease for females? Same-sex genital contacts in wild bonobos
The evolution of male homosexuality and its implications for human psychological and cultural variations
Outlooks: Science and Beyond:
Where do we go from here? Research on the evolution of homosexual behaviour in animals
Against nature?! An epilogue about animal sex and the moral dimension
Acknowledgements
Table of Contents provided by Publisher. All Rights Reserved.

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