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Female house wrens (Troglodytes aedon) increase the size, but not immunocompetence, of their offspring through extra-pair mating.

Molecular ecology - 1 Aug 2008

Forsman Anna M, Vogel Laura A, Sakaluk Scott K, Johnson Bonnie G, Masters Brian S, Johnson L Scott, Thompson Charles F

Abstract excerpt

House wrens are typically socially monogamous, but frequently engage in extra-pair matings leading to multisired broods. Because females do not appear to acquire direct material benefits from their extra-pair mates, we tested the hypothesis that female house wrens derive indirect genetic benefits, such as enhanced immunocompetence (cutaneous immune activity, humoral immunity, and plasma bactericidal activity) and...

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PMID: 18662223
DOI: 10.1111/j.1365-294X.2008.03860.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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