- Paperback: 292 pages
- Publisher: Harvard University Press (February 15, 2002)
- Language: English
- ISBN-10: 0674006666
- ISBN-13: 978-0674006669
- Product Dimensions: 5 x 0.8 x 8 inches
- Shipping Weight: 10.7 ounces
- Average Customer Review: 8 customer reviews
- Amazon Best Sellers Rank: #2,709,473 in Books (See Top 100 in Books)
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Promiscuity: An Evolutionary History of Sperm Competition
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A century after Darwin originated the concept of sexual selection, an explosion of research began on the topic. Tim Birkhead has documented a fascinating part of this explosion; a part that Darwin did not discuss--namely adaptations taking effect after mating: sperm competition and sperm selection, and the associated battles of the sexes. Birkhead's account is riveting--it will captivate everyone, not only for its scintillating and easy presentation of the biology, but for its portrayal of some of the dramas, personalities, and social pressures that shaped the directions of the research.
--Professor G. A. Parker, Population & Evolutionary Biology Research Group, Nicholson Building, The University of Liverpool
Darwin explained why males evolve weapons to conquer rivals and ornaments to charm mates. But this is only half the story. Tim Birkhead shows how conflicts continue after copulation inside the female reproductive tract, which provides an extraordinary obstacle course where sperm from different males often battle for paternity. This is a marvellous and lucid survey, from bed-bugs to humans. If you want to know why sex is so complicated, read this book and give your brain a treat.
--Nick Davies, Professor of Behavioural Ecology, University of Cambridge
Tim Birkhead has written an engaging, popular account of the ultimate battle between the sexes, the contest to see whose sperm wins the race to fertilise the egg. This warfare shapes the reproductive lives of the lowly dungfly, the spawning salmon, the mating frog, the flirtatious zebra finch, the sneaky rutting stag and the cuckolding courtesan. But the female exploits the male to her own advantage in the end. This excellent book will leave you in no doubt that Kipling was right when he declared that the female of the species is more deadly than the male.
--Professor Roger Short, Royal Women's Hospital, Australia
At last: a book that lives up to its title! Real biology, not pseudo-science; clear, convincing and a welcome absence of speculation.
--Steve Jones, author of Almost Like a Whale, The Language of Genes and In the Blood
This is a well-written, entertaining, and quite interesting book. It's the best introduction I know of to an important and controversial topic in evolutionary biology.
--Lee Dugatkin, author of Cheating Monkeys and Citizen Bees
The recent appreciation of the fact that females in many species mate hundreds of times, often with various males, is a problem for traditional views of animal sexuality. Tim Birkhead's tour of the new data is studded with bizarre adaptations and quirky behaviors, but its strength lies in his elegant account of the science and its puzzles-- some solved, others still mysterious. Promiscuity is a wonderfully fresh account--equally invaluable for students of evolutionary biology and ribald after-dinner speakers.
--Richard Wrangham, Peabody Museum, Harvard University
A delightfully written and fascinating tour of the mysterious world of sperm competition and sexual conflict. Birkhead has done a masterful job at engaging the reader with background stories of the key players as the scientific dramas from Darwin on have unfolded, while maintaining the highest standards of scientific balance and accuracy. The book is informative, disturbing, and never boring. After reading this book, you will never think about human mating in quite the same way.
--David M. Buss, author of The Evolution of Desire: Strategies of Human Mating and The Dangerous Passion: Why Jealousy is as Necessary as Love and Sex
By viewing males and females as each having their own agenda, the choices underlying reproduction become far more complex than previously thought. Tim Birkhead offers a highly readable account of the decisions involved, and the many adaptations found in nature. He also presents a sober-minded evaluation of sperm competition, which is a relief after the hype and exaggeration by others.
--Frans de Waal, author of Good Natured and Bonobo: The Forgotten Ape
Tim Birkhead's excellent book tells us almost everything we always wanted to know about the evolution of sex. It also gives us a fascinating account of the sometimes tortuous paths that have led to scientific discoveries of sexual strategies.
--Bert Hölldobler, University of Würzburg, Germany
Birds do it, bees do it, and they mostly do it more than once. Female promiscuity and male sperm competition are rife in the animal kingdom. Tim Birkhead guides us through the unseen side of the battle of the sexes. He has complete authority within the literature produced by earnest research, and an easy style that conveys his own fascination with what really determines whose genes make it into the next generation. Whether you read this book as a work of science or as a late night excursion into the wild world of a fruit fly with sperm 38 times the length of its body and scientists wading knee-deep in mating garter snakes, it is likely to give you a whole new view of the facts of life.
--Alison Jolly, author of Lucy's Legacy
About the Author
Tim Birkhead is Professor of Behavioral Ecology at the University of Sheffield.
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Survival in the face of disease has long been identified as the likely driver for the origin of sex. There is evidence it plays a role in sexual selection, so that, for example, the length of a swallow's tail seems to correlate with resistance to pathogens. More interesting, is that a female may actually be able to choose sexual partners on the basis of whose genotype will be most different from her own, increasing the odds that the diversity of her offspring will permit some survival in the face of new mutations of viral and bacterial attackers or parasites. Sperm selection can not only occur via choice of mate, but when there are multiple inseminators, by selection of sperm (more research needs to be done to confirm this). Supporting studies have been done on mice as well as fruit flies.
We may take for granted that there is a "large" egg, and a small, mobile sperm, but Birkhead provides theoretical reasons why sex would evolve this way, as contrasted to two equal size gametes fusing.