著者
Hasegawa Masaru Arai Emi Kojima Wataru Kitamura Wataru Fujita Go Higuchi Hiroyoshi Watanabe Mamoru Nakamura Masahiko
出版者
日本鳥学会
雑誌
Ornithological science (ISSN:13470558)
巻号頁・発行日
vol.9, no.2, pp.161-164, 2010-12
被引用文献数
24 3

On average, male birds other than social father sire more than 10% of all offspring. Levels of extra-pair paternity below 5% of offspring are rarely found and are now considered worthy of explanation in monogamous birds. We recorded the lowest levels of paternity loss ever reported in a population of Barn Swallows Hirundo rustica. The levels of extra-pair paternity were below 5% of offspring (7/243 in 2005 and 1/53 in 2006). We discuss our results in relation to the density-dependence of extra-pair paternity.

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