Evidence map›Paper›PMID 38545615›Full record

ArticleRoyal Society open science2024

Ultimate drivers of forced extra-pair copulations in birds lacking a penis: jackdaws as a case-study.

Rebecca Hooper, Kathryn Maher, Karen Moore, Guillam McIvor, David Hosken, Alex Thornton

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Royal Society open science, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–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

6 citing papers in PubMed.

  1. Article
  2. The costs of extra-pair behaviours in birds.Biological reviews of the Cambridge Philosophical Society · 2026
    Review
  3. Review
  4. Strategies, costs and counter-strategies to sexual coercion.Biological reviews of the Cambridge Philosophical Society · 2025
    Review
  5. Article
  6. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Rebecca HooperCentre for Research in Animal Behaviour, University of Exeter, Exeter, UK.ORCID https://orcid.org/0000-0003-1042-1688
Kathryn MaherNERC Environmental Omics Facility, School of Biosciences, The University of Sheffield, Sheffield, UK.
Karen MooreFaculty of Health and Life Sciences, University of Exeter, Exeter, UK.
Guillam McIvorCentre for Ecology and Conservation, University of Exeter, Penryn Campus, Penryn, UK.
David HoskenCentre for Ecology and Conservation, University of Exeter, Penryn Campus, Penryn, UK.ORCID https://orcid.org/0000-0003-2508-3909
Alex ThorntonCentre for Ecology and Conservation, University of Exeter, Penryn Campus, Penryn, UK.ORCID https://orcid.org/0000-0002-1607-2047

Funding

Wellcome Trust
6 · The paper itself

Abstract

Forced copulation is common, presumably because it can increase male reproductive success. Forced extra-pair copulation (FEPC) occurs in birds, even though most species lack a penis and are widely thought to require female cooperation for fertilization. How FEPC persists, despite a presumed lack of siring success and likely non-negligible costs to the male, is unknown. Using the jackdaw (

Indexed as

copulationsextra-pairFEPCforcedjackdaw

Identifiers

PMID38545615
PMCPMC10966391

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.