Extra-Pair Paternity in the Wood Warbler in Central Russia

Авторы: Goretskaia M.I., Belokon Y.S., Belokon M.M.
Журнал: Biology Bulletin
Том: 51
Номер: 1
Год издания: 2024
Издательство: M A I K Nauka - Interperiodica
Местоположение издательства: Russian Federation
Первая страница: 152
Последняя страница: 158
DOI: 10.1134/S1062359023601489
Аннотация: Extra-pair paternity is widespread in passerine birds. The number of extra-pair young (EPY) variesamong different species and populations of the same species. We tested if it is a case for a small passerine birdwith poly-territorial behaviour, the Wood Warbler (Phylloscopus sibilatrix). The results are based on themicrosatellite analysis of seven loci and revealed a high level of EPY in Central Russia population of WoodWarbler (EPY in 41% of all nests, 16 of 39 nests; 25% of all young were EPY, 52 of 212 young). We did notfind relationship between relatedness among mates in the pair and the presence of EPY. There was no difference in heterozygosity and body mass between EPY and within pair young (WPY). Possible causes of extrapair paternity are discussed.
Добавил в систему: Горецкая Мария Яковлевна

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