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9780691036878

Polygyny and Sexual Selection in Red-Winged Blackbirds
Polygyny and Sexual Selection in Red-Winged Blackbirds
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  • ISBN-13: 9780691036878
  • ISBN: 069103687X
  • Publisher: Princeton University Press

AUTHOR

SUMMARY

The purpose of this book is to explain why red-winged blackbirds are polygynous and to describe the effects of this mating system on other aspects of the biology of the species. Polygyny is a mating system in which individual males form long-term mating relationships with more than one female at a time. The authors show that females choose to mate polygynously because there is little cost to sharing male parental care in this species, and because females gain protection against nest predation by nesting near other females. Polygyny has the effect of intensifying sexual selection on males by increasing the variance in mating success among males. For females, polygyny means that they will often share a male's territory with other females during the breeding season and will thus be forced to adapt to frequent female-female interactions.This work reviews the results of many studies by other researchers, as well as presenting the authors' own results. Studies of red-winged blackbirds have rangedfrom long-term investigations of reproductive success and demography, to research on genetic parentage based on modern molecular methods, to a vSearcy, William A. is the author of 'Polygyny and Sexual Selection in Red-Winged Blackbirds' with ISBN 9780691036878 and ISBN 069103687X.

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