ArticleProceedings. Biological sciences2019
Testing predictions of inclusive fitness theory in inbreeding relatives with biparental care.
Article in Proceedings. Biological sciences, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- Genetic Relatedness Promotes Equal Contributions of Males and Females to Brood Care in a Biparental Cichlid Fish.Ecology and evolution · 2025Article
- Maternal Investment Is Positively Associated With the Presence of Extra-Pair Offspring in a Socially Monogamous Songbird.Ecology and evolution · 2025Article
- Impact of genetic relatedness on reproductive behavior in Pelvicachromis pulcher, a biparental cichlid fish with mutual mate choice and ornamentation.Die Naturwissenschaften · 2023Article
- Recent immigrants alter the quantitative genetic architecture of paternity in song sparrows.Evolution letters · 2020Article
- Testing predictions of inclusive fitness theory in inbreeding relatives with biparental care.Proceedings. Biological sciences · 2019Article
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Authors and funding
6 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Inclusive fitness theory predicts that parental care will vary with relatedness between potentially caring parents and offspring, potentially shaping mating system evolution. Systems with extra-pair paternity (EPP), and hence variable parent-brood relatedness, provide valuable opportunities to test this prediction. However, existing theoretical and empirical studies assume that a focal male is either an offspring's father with no inbreeding, or is completely unrelated. We highlight that this simple dichotomy does not hold given reproductive interactions among relatives, complicating the effect of EPP on parent-brood relatedness yet providing new opportunities to test inclusive fitness theory. Accordingly, we tested hierarchical hypotheses relating parental feeding rate to parent-brood relatedness, parent kinship and inbreeding, using song sparrows (
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