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Article

Sperm as a speciation phenotype in promiscuous songbirds.

Evolution; international journal of organic evolution - 22 Dec 2024

Lifjeld Jan T, Cramer Emily R A, Leder Erica H, Voje Kjetil Lysne

Abstract excerpt

Sperm morphology varies considerably among species. Sperm traits may contribute to speciation if they diverge fast in allopatry and cause conspecific sperm precedence upon secondary contact. However, their role in driving prezygotic isolation has been poorly investigated. Here we test the hypothesis that, early in the speciation process, female promiscuity promotes a reduction in overlap in sperm length...

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PMID: 39485024
DOI: 10.1093/evolut/qpae154

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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