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Article

Pre- and post-copulatory traits working in concert: sexual dichromatism in passerines is associated with sperm morphology.

Biology letters - 1 Jan 2020

Durrant Kate L, Reader Tom, Symonds Matthew R E

Abstract excerpt

Passerine birds produce costly traits under intense sexual selection, including elaborate sexually dichromatic plumage and sperm morphologies, to compete for fertilizations. Plumage and sperm traits vary markedly among species, but it is unknown if this reflects a trade-off between pre- and post-copulatory investment under strong sexual selection producing negative trait covariance, or variation in the strength...

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Identifiers

PMID: 31937213
DOI: 10.1098/rsbl.2019.0568
PMCID: PMC7013477

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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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