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Primate Sexuality provides an authoritative and comprehensive synthesis of current research on the evolution and physiological control of sexual behaviour in the primates - prosimians, monkeys, apes, and human beings. This new edition has been fully updated and greatly expanded throughout to incorporate a decade of new research findings. It maintains the depth and scientific rigour of the first edition, and includes a new chapter on human sexuality, written from a comparative perspective. It contains 2600 references, almost 400 figures and photographs, and 73 tables.

Primates --- Sexual behavior in animals. --- Animals --- Breeding behavior --- Copulation behavior in animals --- Copulation in animals --- Copulatory behavior in animals --- Copulatory pattern (Animal behavior) --- Mating behavior --- Reproductive behavior --- Sex behavior in animals --- Animal behavior --- Quadrumana --- Mammals --- Reproduction. --- Sexual behavior

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In rats, pseudopregnancy has been induced by mating with vasectomized males, by mechanical stimulation of the uterine cervix with a glass rod or vibrator, and by stimulation of the vagina with a tampon. On the other hand, no practical data are available in reports on the induction of pseudopregnancy in Mongolian gerbils. Pseudopregnancy of gerbils has been induced by mating with vasectomized males. But this method was uncertain because the incidence of pseudopregnancy was lower than that obtained in rats by other means. In the present study, two experiments were undertaken as follows. 1) Copulatory behavior of gerbils was observed for one hour to determine the most effective stimulation interval. 2) From the results of Experiment 1, female gerbils in estrus were mechanically stimulated to test the effectiveness of inducing pseudopregnancy by vaginal stimulation at various time intervals. The results of these experiments indicated that, although the frequency of copulatory behavior varied among individuals, on average the most effective method for inducing pseudopregnancy was stimulation of 5 min duration and at 20 or 30 min intervals. Because the incidence of pseudopregnancy induced by such mechanical stimulation (83.3%) was higher than that induced by mating with vasectomized males (30.0%), this method might be useful in inducing pseudopregnancy in Mongolian gerbils.

Behavior. --- Copulatory-behavior. --- Duration. --- Estrus. --- Experiment. --- Experiments. --- Female. --- Frequency. --- Gerbil. --- Gerbils. --- Induction. --- Male. --- Males. --- Mating. --- Meriones unguiculatus. --- Meriones-unguiculatus. --- Method. --- Mongolian gerbil. --- Mongolian gerbils. --- Mongolian-gerbil. --- Pseudopregnancy. --- Rat. --- Rats. --- Stimulation. --- Test. --- Time. --- Unguiculatus.

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Arachnida --- Insects --- Sexual behavior in animals --- Comportement sexuel chez les animaux --- Behavior --- Evolution --- Animals --- Breeding behavior --- Copulation behavior in animals --- Copulation in animals --- Copulatory behavior in animals --- Copulatory pattern (Animal behavior) --- Mating behavior --- Reproductive behavior --- Sex behavior in animals --- Animal behavior --- Hexapoda --- Insecta --- Pterygota --- Arthropoda --- Entomology --- Arachnids --- Behavior&delete& --- Sexual behavior

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Marlene Zuk, a respected biologist and a feminist, gives an eye-opening tour of some of the latest developments in our knowledge of animal sexuality and evolutionary biology. Sexual Selections exposes the anthropomorphism and gender politics that have colored our understanding of the natural world and shows how feminism can help move us away from our ideological biases. (publisher's description)

Sexual behavior in animals. --- Sexual behavior in animals --- Breeding behavior --- Copulation behavior in animals --- Copulation in animals --- Copulatory behavior in animals --- Copulatory pattern (Animal behavior) --- Mating behavior --- Reproductive behavior --- Sex behavior in animals --- Comportement sexuel chez les animaux --- Sélection sexuelle chez les animaux --- Animals --- Animal behavior --- Sexual behavior --- Animal genetics. Animal evolution --- Animal ethology and ecology. Sociobiology --- Sexual selection in animals

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Homosexuality is an evolutionary paradox in search for a resolution, not a medical condition in search for a cure. Homosexual behavior is common among social animals, and mainly expressed within the context of a bisexual sexual orientation. Exclusive homosexuality is less common, but not unique to humans. Poiani and Dixson invite the reader to embark on a journey through the evolutionary, biological, psychological and sociological aspects of homosexuality, seeking an understanding of both the proximate and evolutionary causes of homosexual behavior and orientation in humans, other mammals and birds. The authors also provide a synthesis of what we know about homosexuality into a biosocial model that links recent advances in reproductive skew theory and various selection mechanisms to produce a comprehensive framework that will be useful for anyone teaching or planning future research in this field.

Homosexuality in animals. --- Sexual behavior in animals. --- Animals --- Breeding behavior --- Copulation behavior in animals --- Copulation in animals --- Copulatory behavior in animals --- Copulatory pattern (Animal behavior) --- Mating behavior --- Reproductive behavior --- Sex behavior in animals --- Animal behavior --- Homosexual behavior in animals --- Sexual behavior --- Animals. --- Homosexuality