Homosexual Behaviour in Animals: An Evolutionary Perspective
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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topics hypotheses and research
homosociality in male
atypical partnerships and sexual activity
sociosexual behaviour and the development
samesex interaction and competition
malemale mounting in fallow whitetailed
femalefemale consortships in freeranging
actors adult females adult males aggressive agonistic alliance formation Amersfoort animal homosexual atypical Bagemihl bison bonobos bottlenose dolphins breeding calves captive chimpanzees consort partners context copulation activities courtship dominance dyads engage in homosexual Ethology evolutionary example female Japanese macaques feral cats Figure flamingos flock free-ranging frequently function genital contacts genital stimulation gorillas greater flamingo greylag geese Griinau heterosexual heterosexual copulation homosexual behaviour homosexual consortships homosexual interactions homosexual mounting humans hypothesis immature individuals inter-sexual involved juvenile Key Lois Kotrschal male homosexual male-male mounting male-male pairs Mann-Whitney mating season mountain gorillas mounter nest observed occurred oestrous female offspring pair bonds partnerships patterns primates Primatol Raccoon Raccoon Key rank red deer relationships rhesus macaques rhesus monkeys Rotterdam Zoo same-sex consortships same-sex mounting same-sex pairs same-sex sexual behaviour sex ratio sexual activity sexual interactions sexual partners silverbacks social solicitations Sommer species sub-adult subordinate trios Vasey wild