Evidence map›Paper›PMID 34493064›Full record

SynthesisBiology letters2021

Colourful traits in female birds relate to individual condition, reproductive performance and male-mate preferences: a meta-analytic approach.

América Hernández, Margarita Martínez-Gómez, René Beamonte-Barrientos, Bibiana Montoya

Abstract readMeta-Analysis
In one paragraph

Synthesis in Biology letters, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 3 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Pooled it
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  10. On the resolution of sexual conflict over shared traits.Proceedings. Biological sciences · 2024
    Review
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  17. Urbanization enhances ornament expression in a common waterbird.Behavioral ecology : official journal of the International Society for Behavioral Ecology
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors.

América HernándezDoctorado en Ciencias Biológicas, Centro Tlaxcala de Biología de la Conducta (CTBC), Universidad Autónoma de Tlaxcala, Tlaxcala, México.
Margarita Martínez-GómezDepartamento de Biología Celular y Fisiología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, México City, México.
René Beamonte-BarrientosEstación Científica La Malinche, Centro Tlaxcala de Biología de la Conducta (CTBC), Universidad Autónoma de Tlaxcala, Tlaxcala, México.
Bibiana MontoyaEstación Científica La Malinche, Centro Tlaxcala de Biología de la Conducta (CTBC), Universidad Autónoma de Tlaxcala, Tlaxcala, México.ORCID 0000-0001-5552-9831

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Colourful traits in females are suggested to have evolved and be maintained by sexual selection. Although several studies have evaluated this idea, support is still equivocal. Evidence has been compiled in reviews, and a handful of quantitative syntheses has explored cumulative support for the link between condition and specific colour traits in males and females. However, understanding the potential function of females' colourful traits in sexual communication has not been the primary focus of any of those previous studies. Here, using a meta-analytic approach, we find that evidence from empirical studies in birds supports the idea that colourful female ornaments are positively associated with residual mass and immune response, clutch size and male-mate preferences. Hence, colourful traits in female birds likely evolved and are maintained by sexual selection as condition-dependent signals.

Indexed as

BirdsReproductionAnimalsClutch SizeFemaleMalePhenotypecarotenoidsfemale ornamentsmale-mate choicemelaninssexual selectionstructural coloration

Identifiers

PMID34493064
PMCPMC8424322

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.