Matches in SemOpenAlex for { <https://semopenalex.org/work/W2912067544> ?p ?o ?g. }
- W2912067544 abstract "Extrapair mating could drive sexual selection in socially monogamous species, but support for this hypothesis remains equivocal. We used lifetime fitness data and a unique model species, the dimorphic white-throated sparrow (Zonotrichia albicollis), to examine how extrapair mating affects the potential for sexual selection. In this species, the morphs employ distinct reproductive strategies, with white males pursuing extrapair mating at higher rates than tan counterparts. Social and extrapair mating is disassortative by morph, with paternity exchange occurring primarily between pairs composed of white males and tan females. Bateman gradients and Jones indexes indicated stronger sexual selection via mate numbers in white males than in females and tan males, and generally did not differ between females as compared with tan males. Extrapair mating contributed more to the Bateman gradient for white than tan males, and white males also had higher variance in annual reproductive success. However, variance in lifetime reproductive success did not differ between morphs or sexes. Moreover, extrapair mating did not increase variance in male reproductive success relative to apparent patterns, and within-pair success accounted for much more variance than extrapair success. Thus, extrapair mating by white males increases Bateman gradients and the potential for sexual selection via mate numbers. However, our latter results support previous research suggesting that extrapair mating may play a limited role in driving the overall potential for sexual selection." @default.
- W2912067544 created "2019-02-21" @default.
- W2912067544 creator A5008965599 @default.
- W2912067544 creator A5013147196 @default.
- W2912067544 creator A5021417064 @default.
- W2912067544 creator A5027040694 @default.
- W2912067544 creator A5070975503 @default.
- W2912067544 creator A5088469557 @default.
- W2912067544 date "2019-02-09" @default.
- W2912067544 modified "2023-10-16" @default.
- W2912067544 title "Extrapair mating and the strength of sexual selection: insights from a polymorphic species" @default.
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- W2912067544 doi "https://doi.org/10.1093/beheco/ary160" @default.
- W2912067544 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6450205" @default.
- W2912067544 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30971857" @default.