Evidence map›Paper›PMID 34842996›Full record

ArticleOecologia2022

Extreme bill dimorphism leads to different but overlapping isotopic niches and similar trophic positions in sexes of the charismatic extinct huia.

Barbara M Tomotani, Rodrigo B Salvador, Amandine J M Sabadel, Colin M Miskelly, Julie C S Brown, Josette Delgado, Patrick Boussès, Yves Cherel, Susan M Waugh, Sarah J Bury

Open access · hybridAbstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Oecologia, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.5field-weighted citation impact, top 31% of its field
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

1 citing paper in PubMed, 3 citations in OpenAlex.

  1. 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

10 authors at 5 institutions in 3 countries.

Barbara M TomotaniNetherlands Institute of Ecology, NIOO-KNAW, Droevendaalsesteeg 10, 6708 PB, Wageningen, The Netherlands. b.tomotani@nioo.knaw.nl.ORCID http://orcid.org/0000-0002-8855-4803
Rodrigo B SalvadorMuseum of New Zealand, Te Papa Tongarewa, Wellington, New Zealand.ORCID http://orcid.org/0000-0002-4238-2276
Amandine J M SabadelNational Institute of Water and Atmospheric Research, Wellington, New Zealand.ORCID http://orcid.org/0000-0002-1080-8842
Colin M MiskellyMuseum of New Zealand, Te Papa Tongarewa, Wellington, New Zealand.
Julie C S BrownNational Institute of Water and Atmospheric Research, Wellington, New Zealand.
Josette DelgadoNational Institute of Water and Atmospheric Research, Wellington, New Zealand.
Patrick BoussèsInstitut Systématique, Évolution, Biodiversité, ISYEB, Muséum national d'Histoire naturelle, Sorbonne Université, Paris, France.
Yves CherelCentre d'Etudes Biologiques de Chizé, CNRS-La Rochelle Université, Villiers-en-Bois, France.ORCID http://orcid.org/0000-0001-9469-9489
Susan M WaughLigue pour la Protection des Oiseaux, Rochefort, France.ORCID http://orcid.org/0000-0002-3698-588X
Sarah J BuryNational Institute of Water and Atmospheric Research, Wellington, New Zealand.
National Institute of Water and Atmospheric Research · NZMuseum of New Zealand Te Papa Tongarewa · NZCentre National de la Recherche Scientifique · FRRoche (France) · FRSorbonne Université · FR

Funding

Nederlandse Organisatie voor Wetenschappelijk Onderzoek 019.181EN.005
6 · The paper itself

Abstract

The New Zealand huia (Heteralocha acutirostris) had the most extreme bill sexual dimorphism among modern birds. Given the quick extinction of the species, the cause of the dimorphism could only be hypothesised to reflect different trophic niches and reduce male/female competition. We tested that hypothesis by combining museum specimens, geometric morphometrics, and isotopic analyses. We used geometric morphometrics to describe bill shape; measured bulk (δ

Indexed as

EcosystemSex CharacteristicsAnimalsBirdsDietFemaleMaleNitrogen IsotopesNutritional StatusNitrogen IsotopesCompound-specific stable isotopesFeeding ecologyHeteralocha acutirostrisNatural history collectionsNew ZealandPasseriformes

Identifiers

PMID34842996
PMCPMC8803797
OpenAlexW3215337213

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.