Low Level of Extra-Pair Paternity in a Population of the Barn SwallowHirundo Rustica Gutturalis
Author(s) -
Masaru Hasegawa,
Emi Arai,
Wataru Kojima,
Wataru Kitamura,
Go Fujita,
Hiroyoshi Higuchi,
Mamoru Watanabe,
Masahiko Nakamura
Publication year - 2010
Publication title -
ornithological science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.319
H-Index - 19
ISSN - 1347-0558
DOI - 10.2326/osj.9.161
Subject(s) - hirundo , offspring , biology , barn , zoology , sire , population , ecology , demography , geography , genetics , pregnancy , archaeology , sociology
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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