Promiscuity
Birkhead, Tim R.
Sold by WeBuyBooks, Rossendale, LANCS, United Kingdom
AbeBooks Seller since 14 November 2005
Used - Soft cover
Condition: Used - Good
Ships from United Kingdom to U.S.A.
Quantity: 1 available
Add to basketSold by WeBuyBooks, Rossendale, LANCS, United Kingdom
AbeBooks Seller since 14 November 2005
Condition: Used - Good
Quantity: 1 available
Add to basketMost items will be dispatched the same or the next working day. A copy that has been read but remains in clean condition. All of the pages are intact and the cover is intact and the spine may show signs of wear. The book may have minor markings which are not specifically mentioned.
Seller Inventory # rev3927030375
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
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