Animal Diversity 7th Edition

Published by McGraw-Hill Education
ISBN 10: 0073524255
ISBN 13: 978-0-07352-425-2

Chapter 19 - Review Questions - Page 422: 12

Answer

A monogamous bird may engage in extra-pair copulations for multiple reasons. Firstly, if a mongoose bird engages in extra-pair copulations, he/she is ensuring increased genetic diversity of the offspring. Secondly, extra-pair copulations allow male birds to increase the number of his sired offspring, which ultimately increases his reproductive success.

Work Step by Step

A monogamous bird may engage in extra-pair copulations for multiple reasons. Firstly, if a mongoose bird engages in extra-pair copulations, he/she is ensuring increased genetic diversity of the offspring. Secondly, extra-pair copulations allow male birds to increase the number of his sired offspring, which ultimately increases his reproductive success.
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