Promiscuity - an Evolutionary History of Sperm Competition (USA) Paperback – 30 Nov 2001
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Biologists have long been aware that sex poses different problems for male and female animals. Males typically compete for sexual access to females, and females are typically choosier. There are exceptions to this rule, but they are rare. In the vast majority of animal species, males fight among themselves to mate with females, and females choose from the victors.
In the past few decades, biologists have realised that male competition and female choice rarely stop at the moment of copulation. Unless the species is completely monogamous, females may sometimes mate with more than one male during the same fertile period. Whenever this happens, the competition between males may continue after copulation, via a process known as sperm competition. Sperm from one male encounter sperm from another male inside the female's reproductive tract, and they do battle, continuing the competition that their originators engaged in prior to copulation. Similarly, the female continues to exercise her power of choice by selecting from the rival sperm she finds inside her.
Incredible as this may seem, the phenomena of sperm competition and sperm choice, as they are called, have now been well documented in dozens of species. In a new book for Faber and Faber, Tim Birkhead gives an accessible and comprehensive overview of this research. Birkhead is Professor of Behavioural Ecology at the University of Sheffield, and has spent many years researching the reproductive behaviour of birds, but his book covers many other kinds of animals too. From shrimp and water bugs to hamsters and hyenas, Birkhead takes the reader on a guided tour of infidelity and its consequences. Promiscuity is perhaps misleading as a title, as it suggests that females are being less choosy in mating with multiple males, when it is often precisely the opposite. The main lesson of the book is that multiple mating by females is often a way of being more discriminating, because it allows the female to compare the quality of rival sperm directly.
This is a fascinating and well-written introduction to one of the most interesting areas of research in contemporary biology.--Dylan Evans --This text refers to an out of print or unavailable edition of this title.
"Promiscuity is a fascinating, wide-ranging, erudite, readable journey through some of the weirder stretches of biology." -- A. H. Harcourt, Nature
"[A] fascinating story of a revolution in evolutionary biology...Birkhead's provocative book is a reminder of how little we know." -- Paul Raeburn, New York Times Book Review
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Top Customer Reviews
I bought it on the way through an airport and got into the embarrassing position of not being able to put it down: I read it on the plane, in the cab, in the hotel foyer, and it's one of those annoying things you dare not pick up as a bedtime reader, because it will keep you up, not send you to sleep!
The subject - how sperm and egg are so incredibly diverse, and how putting Man into a much wider biiological context helps to understand us and why we are as we are - very often disappears beneath the detailed anecdotes of the mechanisms of this bit of goop and that bit of goop going squelch. if you like those anecdotal passages - and I do - then it's mesmerising: one of those books that makes you look out the plane window, somewhere over Switzerland, and see a totally different planet than the one you took off from.
In common with Matt Ridley's "The Red Queen", there's a style of biologists logic which makes my head hurt when it is written as a solid paragraph in essay format. "Because the X does Y notwithstanding the Z doing whatever, it naturally follows that"...
The words are english: the sentences are well-formed. However, I find myself going back and re-reading them, over and over again, trying to fit my head into the concepts. Of course, this is what makes the book so good - but don't buy it because you want an easy, comfy reassuring ride.
Yet this stranger-than-fiction book is not merely a collection Ripley's sex tales. It is a well-organized treatise of cutting edge science that masterfully instructs the reader as to the common evolutionary threads that define the underlying nature of sex.Read more ›
Most Recent Customer Reviews
Forget the Kinsey and Hite reports if you really want to know the biological reasons for adultery. Most psychological approaches try to describe human mating patterns, but this is... Read morePublished on 4 Aug. 2000
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