Homosexual Behaviour in Animals: An Evolutionary Perspective

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Volker Sommer, Paul L. Vasey
Cambridge University Press, Jul 27, 2006 - Psychology - 382 pages
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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.
  

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Contents

topics hypotheses and research
3
homosociality in male
45
atypical partnerships and sexual activity
77
sociosexual behaviour and the development
107
samesex interaction and competition
131
malemale mounting in fallow whitetailed
154
Primates
173
femalefemale consortships in freeranging
220
samesex mounting in Indian
238
the development of homosexual behaviour
273
Social grease for females? Samesex genital contacts
294
implications for human
316
Where do we go from here? Research on the evolution
349
Against nature? An epilogue about animal sex
365
Name and person index
372
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About the author (2006)

Volker Sommer is Professor of Evolutionary Anthropology in the University of London.

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