Mating Males: An Evolutionary Perspective on Mammalian by Tim Glover

By Tim Glover

Interpreting mating from the male point of view, this publication offers an summary of mammalian copy to demonstrate the real function that male wish performs within the lifetime of mammals. Written in a conversational variety that would attract these with out expert wisdom of the sphere, it starts with a extensive review of sexual replica in mammals, explaining the significance of combining genes, sexual choice and the concept that of mating seasons. next chapters research essentially the most very important features intimately together with mating behaviour, the constitution and serve as of the male organs of copy and their physiological keep watch over and modes of copulation. a last bankruptcy considers human replica, explaining how our actual and social evolution have contributed to the advance of sexual behaviour that's markedly assorted to that of alternative mammals, due specifically to the absence of oestrus and seasonality within the human girl.

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Collins Fontana Library, London. M. (1970) Pheromones. British Medical Bulletin. 26, 10–13. V. B. (2005) Sexual differentiation in three unconventional mammals: spotted hyaenas, elephants and wallabies. Hormones and Behavior. 48, 403–417. A. B. (1976) A study of delayed puberty in the male hare Lepus europaeus. Journal of Reproduction and Fertility. 46, 123–128. , Guiness, F. V. (1972) The way in which testosterone controls the social and sexual behavior of the red deer stag (Cervus elaphus). Hormones and Behavior.

A. (1961) The Invertebrata. 4th edition. Cambridge University Press, Cambridge and New York. J. O. (2009) Explosive eversion and functional morphology of the duck penis supports sexual conflict in waterfowl genitalia. Proceedings of the Royal Society, London. Series B. 10, 1–6. Cohen, J. (1977) Reproduction. Butterworths, London, Boston, Sydney, Wellington, Durban and Toronto. 22 mating males Cohen, J. (1999) The evolution of the sexual arena. In: Male Fertility and Infertility. D. R. Barratt. Cambridge University Press, Cambridge.

If the size or weight of the testicles are taken as a measure, the results can be misleading and are often unreliable, unless we can be absolutely certain that the animal under examination is not immature. Juveniles are difficult to recognize in many of the smaller animals, and to add to the difficulty, impaired or totally inhibited sperm production with correspondingly small testicles in one individual, or even in a few, does not necessarily indicate a nonmating season in the population of the group as a whole.

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