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I am an evolutionary ecologist by training whose research combines evidence synthesis — primarily meta-analyses — and meta-research. I have a soft spot for birds and a strong commitment to Open, Reliable, and Transparent science. My current work focuses on meta-research with the main goal of understanding what researchers, institutions, journals and funders can do to enhance reliability, credibility, transparency and rigour in research.

Publicações

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Informação sobre artigos em revista, actualizada a 30-08-2026, a partir da plataforma CIÊNCIAVITAE.

Fifty Years Later, and We Still Don't Know About Badges of Status

Alfredo Sánchez-Tójar; Pietro B. D'Amelio, Ecology and Evolution. 2026. https://doi.org/10.1002/ece3.73578 . 10.1002/ece3.73578 . Ecology and Evolution

Why do birds use green nest material? A systematic review and meta-analysis of experiments

Shreya Dimri; Tuba Rizvi; Julio M. G. Segovia; Meinolf Ottensmann; Alfredo Sánchez-Tójar, Proceedings of the Royal Society B: Biological Sciences. 2026. https://doi.org/10.1098/rspb.2026.0777 . 10.1098/rspb.2026.0777 . Proceedings of the Royal Society B: Biological Sciences

Elevating the importance of Risk of Bias assessment for ecology and evolutionary biology

Antica Culina; Dugald Foster; Matthew Grainger; Rose E. O'Dea; Oliver L. Pescott; Alfredo Sánchez-Tójar; Robin J. Boyd; et al, Methods in Ecology and Evolution. 2026. https://doi.org/10.1111/2041-210x.70356 . 10.1111/2041-210x.70356 . Methods in Ecology and Evolution

Huge meta-research project puts claims in social-science papers to the test

Alfredo Sánchez-Tójar; Jelte M. Wicherts; Robb Willer, Nature. 2026. https://doi.org/10.1038/d41586-026-00805-4 . 10.1038/d41586-026-00805-4 . Nature

The SORTEE guidelines for data and code quality control in ecology and evolutionary biology

Joel Pick; Bethany Allen; Benedicte Bachelot; Kevin R. Bairos-Novak; Jack A. Brand; Barbara Class; Tad Dallas; et al, Peer Community Journal . 6. 2026. https://pub.uni-bielefeld.de/publication/3015452 . 10.24072/pcjournal.687 . Peer Community Journal

Songbird brood sex ratio varies in response to male attractiveness and rearing conditions

Simone Santoro; María Losada; David Canal; Carlos Camacho; Jesús Martínez-Padilla; Alfredo Sánchez-Tójar; Jaime Potti, Animal Behaviour. 2026. https://doi.org/10.1016/j.anbehav.2026.123508 . 10.1016/j.anbehav.2026.123508 . Animal Behaviour

Same data, different analysts: variation in effect sizes due to analytical decisions in ecology and evolutionary biology

Elliot Gould; Hannah S. Fraser; Timothy H. Parker; Shinichi Nakagawa; Simon C. Griffith; Peter A. Vesk; Fiona Fidler; et al, BMC Biology. 1. 23. 2025. https://pub.uni-bielefeld.de/publication/3000682 . 10.1186/s12915-024-02101-x . BMC Biology

Code-sharing policies are associated with increased reproducibility potential of ecological findings

Alfredo Sanchez-Tojar; Aya Bezine; Marija Purgar; Antica Culina, Peer Community Journal . 5. 2025. https://pub.uni-bielefeld.de/publication/2999542 . 10.24072/pcjournal.541 . Peer Community Journal

From policy to practice: progress towards data- and code-sharing in ecology and evolution

Edward R. Ivimey-Cook; Alfredo Sánchez-Tójar; Ilias Berberi; Antica Culina; Dominique G. Roche; Rafaela A. Almeida; Bawan Amin; et al, Proceedings of the Royal Society B: Biological Sciences. 2025. https://doi.org/10.1098/rspb.2025.1394 . 10.1098/rspb.2025.1394 . Proceedings of the Royal Society B: Biological Sciences

A systematic review and meta-analysis on urban arthropod diversity

Olivia Sanllorente; Endika Blanco-Urdillo; Alfredo Sánchez-Tójar; Juan Diego Ibáñez-Álamo, Insect Conservation and Diversity. 2025. https://doi.org/10.1111/icad.12831 . 10.1111/icad.12831 . Insect Conservation and Diversity

Do Egg Hormones Have Fitness Consequences in Wild Birds? A Systematic Review and Meta-Analysis

Lucia Mentesana; Michaela Hau; Pietro B. D'Amelio; Nicolas M. Adreani; Alfredo Sánchez-Tójar, Ecology Letters. 2025. https://doi.org/10.1111/ele.70100 . 10.1111/ele.70100 . Ecology Letters

The promise of community-driven preprints in ecology and evolution

Daniel W. A. Noble; Zoe A. Xirocostas; Nicholas C. Wu; April Robin Martinig; Rafaela A. Almeida; Kevin R. Bairos-Novak; Heikel Balti; et al, Proceedings of the Royal Society of London. Series B, Biological Sciences. 2039. 292. 2025. https://pub.uni-bielefeld.de/publication/3000730 . 10.1098/rspb.2024.1487 . Proceedings of the Royal Society of London. Series B, Biological Sciences

What is the meta-analytic evidence for life-history trade-offs at the genetic level?

Chia-chen Chang; Maria Moiron; Alfredo Sánchez-Tójar; Petri T. Niemelä; Kate L. Laskowski, Ecology Letters. 2024. https://doi.org/10.1111/ele.14354 . 10.1111/ele.14354 . Ecology Letters

Indirect genetic effects increase the heritable variation available to selection and are largest for behaviours: a meta-analysis

Francesca Santostefano; Maria Moiron Cacharron; Alfredo Sánchez Tójar; David N. Fisher, Evolution Letters . 2024. https://pub.uni-bielefeld.de/publication/2989912 . 10.1093/evlett/qrae051 . Evolution Letters

Extrapair paternity alongside social reproduction increases male lifetime fitness

Jamie Dunning; Alfredo Sanchez-Tojar; Antje Girndt; Terry Burke; Yu-Hsun Hsu; Shinichi Nakagawa; Isabel Winney; Julia Schroeder, Animal Behaviour. 213. 2024. https://pub.uni-bielefeld.de/publication/2990775 . 10.1016/j.anbehav.2024.04.007 . Animal Behaviour

Publication bias impacts on effect size, statistical power, and magnitude (Type M) and sign (Type S) errors in ecology and evolutionary biology

Yefeng Yang; Alfredo Sánchez-Tójar; Rose E. O’Dea; Daniel W. A. Noble; Julia Koricheva; Michael D. Jennions; Timothy H. Parker; Malgorzata Lagisz; Shinichi Nakagawa, BMC Biology. 2023. https://doi.org/10.1186/s12915-022-01485-y . 10.1186/s12915-022-01485-y . BMC Biology

Are animal personality, body condition, physiology and structural size integrated? A comparison of species, populations and sexes, and the value of study replication

Irene Gaona-Gordillo; Benedikt Holtmann; Alexia Mouchet; Alexander Hutfluss; Alfredo Sánchez-Tójar; Niels J. Dingemanse, Journal of Animal Ecology. 2023. https://doi.org/10.1111/1365-2656.13966 . 10.1111/1365-2656.13966 . Journal of Animal Ecology

Eleven strategies for making reproducible research and open science training the norm at research institutions

Friederike E Kohrs; Susann Auer; Alexandra Bannach-Brown; Susann Fiedler; Tamarinde Laura Haven; Verena Heise; Constance Holman; et al, eLife. 2023. http://dx.doi.org/10.7554/elife.89736 . 10.7554/elife.89736 . eLife

Open science

Michael G. Bertram; Josefin Sundin; Dominique G. Roche; Alfredo Sánchez-Tójar; Eli S.J. Thoré; Tomas Brodin, Current Biology. 2023. http://dx.doi.org/10.1016/j.cub.2023.05.036 . 10.1016/j.cub.2023.05.036 . Current Biology

Same data, different analysts: variation in effect sizes due to analytical decisions in ecology and evolutionary biology

Elliot Gould; Hannah Fraser; Timothy Parker; Shinichi Nakagawa; Simon Griffith; Peter Vesk; Fiona Fidler; et al, 2023. https://pub.uni-bielefeld.de/publication/2983503 . 10.32942/X2GG62 .

Implementing code review in the scientific workflow: Insights from ecology and evolutionary biology

Edward R. Ivimey-Cook; Joel L. Pick; Kevin R. Bairos-Novak; Antica Culina; Elliot Gould; Matthew Grainger; Benjamin M. Marshall; et al, Journal of Evolutionary Biology. 2023. http://dx.doi.org/10.1111/jeb.14230 . 10.1111/jeb.14230 . Journal of Evolutionary Biology

A global meta-analysis reveals higher variation in breeding phenology in urban birds than in their non-urban neighbours

Pablo Capilla-Lasheras; Megan J. Thompson; Alfredo Sánchez-Tójar; Yacob Haddou; Claire J. Branston; Denis Réale; Anne Charmantier; Davide M. Dominoni, Ecology Letters. 2022. https://doi.org/10.1111/ele.14099 . 10.1111/ele.14099 . Ecology Letters

Terminology use in animal personality research: a self-report questionnaire and a systematic review

Alfredo Sánchez-Tójar; Maria Moiron; Petri T. Niemelä, Proceedings of the Royal Society B: Biological Sciences. 1968. 289. 2022. https://doi.org/10.1098/rspb.2021.2259 . 10.1098/rspb.2021.2259 . Proceedings of the Royal Society B: Biological Sciences

Evidence of Paternal Effects on Telomere Length Increases in Early Life

Sophie Bennett; Antje Girndt; Alfredo Sánchez-Tójar; Terry Burke; Mirre Simons; Julia Schroeder, Frontiers in Genetics. 2022. http://dx.doi.org/10.3389/fgene.2022.880455 . 10.3389/fgene.2022.880455 . Frontiers in Genetics

Methods for testing publication bias in ecological and evolutionary meta-analyses

Shinichi Nakagawa; Malgorzata Lagisz; Michael D. Jennions; Julia Koricheva; Daniel W. A. Noble; Timothy H. Parker; Alfredo Sánchez-Tójar; Yefeng Yang; Rose E. O'Dea, Methods in Ecology and Evolution. 2022. https://doi.org/10.1111/2041-210X.13724 . 10.1111/2041-210X.13724 . Methods in Ecology and Evolution

Towards open, reliable, and transparent ecology and evolutionary biology

O’Dea, R.E.; Parker, T.H.; Chee, Y.E.; Culina, A.; Drobniak, S.M.; Duncan, D.H.; Fidler, F.; et al, BMC Biology. 1. 19. 2021. http://www.scopus.com/inward/record.url?eid=2-s2.0-85104108949&partnerID=MN8TOARS . 10.1186/s12915-021-01006-3 . BMC Biology

Poor nutritional condition promotes high-risk behaviours: a systematic review and meta-analysis

Nicholas P. Moran; Alfredo Sánchez-Tójar; Holger Schielzeth; Klaus Reinhold, Biological Reviews. 2021. https://doi.org/10.1111/brv.12655 . 10.1111/brv.12655 . Biological Reviews

Ensuring Prevention Science Research is Synthesis-Ready for Immediate and Lasting Scientific Impact

Hennessy, E.A.; Acabchuk, R.L.; Arnold, P.A.; Dunn, A.G.; Foo, Y.Z.; Johnson, B.T.; Geange, S.R.; et al, Prevention Science. 2021. http://www.scopus.com/inward/record.url?eid=2-s2.0-85110987180&partnerID=MN8TOARS . 10.1007/s11121-021-01279-8 . Prevention Science

Male size and reproductive performance in three species of livebearing fishes (Gambusia spp.): A systematic review and meta-analysis

Bora Kim; Nicholas Patrick Moran; Klaus Reinhold; Alfredo Sánchez-Tójar, Journal of Animal Ecology. 2021. https://doi.org/10.1111/1365-2656.13554 . 10.1111/1365-2656.13554 . Journal of Animal Ecology

Illustrating the importance of meta-analysing variances alongside means in ecology and evolution

Alfredo Sánchez-Tójar; Nicholas P. Moran; Rose E. O’Dea; Klaus Reinhold; Shinichi Nakagawa, Journal of Evolutionary Biology. 2020. https://doi.org/10.1111/jeb.13661 . 10.1111/jeb.13661 . Journal of Evolutionary Biology

Brood parasitism, provisioning rates and breeding phenology of male and female magpie hosts

Marta Precioso; Mercedes Molina-Morales; Alfredo Sánchez-Tójar; Jesús M. Avilés; Juan G. Martínez, Journal of Avian Biology. 2020. https://doi.org/10.1111/jav.02522 . 10.1111/jav.02522 . Journal of Avian Biology

The jury is still out regarding the generality of adaptive ‘transgenerational’ effects

Alfredo Sánchez-Tójar; Malgorzata Lagisz; Nicholas P. Moran; Shinichi Nakagawa; Daniel W. A. Noble; Klaus Reinhold; Stephan Munch, Ecology Letters. 2020. https://doi.org/10.1111/ele.13479 . 10.1111/ele.13479 . Ecology Letters

Repeatable social network node-based metrics across populations and contexts in a passerine

Mireia Plaza; Terry Burke; Tara Cox; Alexander Flynn-Carroll; Antje Girndt; Georgina Halford; Dominic A. Martin; et al, Journal of Evolutionary Biology. 2020. https://doi.org/10.1111/jeb.13703 . 10.1111/jeb.13703 . Journal of Evolutionary Biology

Low availability of code in ecology: A call for urgent action

Antica Culina; Ilona van den Berg; Simon Evans; Alfredo Sánchez-Tójar, PLOS Biology. 2020. https://doi.org/10.1371/journal.pbio.3000763 . 10.1371/journal.pbio.3000763 . PLOS Biology

A new ecosystem for evidence synthesis

Shinichi Nakagawa; Adam G. Dunn; Malgorzata Lagisz; Alexandra Bannach-Brown; Eliza M. Grames; Alfredo Sánchez-Tójar; Rose E. O’Dea; et al, Nature Ecology & Evolution. 2020. https://doi.org/10.1038/s41559-020-1153-2 . 10.1038/s41559-020-1153-2 . Nature Ecology & Evolution

Male age and its association with reproductive traits in captive and wild house sparrows

Antje Girndt; Glenn Cockburn; Alfredo Sánchez-Tójar; Moritz Hertel; Terry Burke; Julia Schroeder, Journal of Evolutionary Biology. 2019. https://doi.org/10.1111/jeb.13542 . 10.1111/jeb.13542 . Journal of Evolutionary Biology

A practical guide for inferring reliable dominance hierarchies and estimating their uncertainty

Alfredo Sánchez-Tójar; Julia Schroeder; Damien Roger Farine; Julie Morand-Ferron, Journal of Animal Ecology. 2018. https://doi.org/10.1111/1365-2656.12776 . 10.1111/1365-2656.12776 . Journal of Animal Ecology

Heritability and social brood effects on personality in juvenile and adult life-history stages in a wild passerine

I. S. Winney; J. Schroeder; S. Nakagawa; Y.-H. Hsu; M. J. P. Simons; A. Sánchez-Tójar; M.-E. Mannarelli; T. Burke, Journal of Evolutionary Biology. 2018. https://doi.org/10.1111/jeb.13197 . 10.1111/jeb.13197 . Journal of Evolutionary Biology

Meta-analysis challenges a textbook example of status signalling and demonstrates publication bias

Alfredo Sánchez-Tójar; Shinichi Nakagawa; Moisès Sánchez-Fortún; Dominic A Martin; Sukanya Ramani; Antje Girndt; Veronika Bókony; et al, eLife. 2018. https://doi.org/10.7554/eLife.37385 . 10.7554/eLife.37385 . eLife

An experimental test of host's life history traits modulation in response to cuckoo parasitism risk.

PloS one. 2017. http://europepmc.org/abstract/med/28658287 . 10.1371/journal.pone.0179206 . PloS one

Method matters: Experimental evidence for shorter avian sperm in faecal compared to abdominal massage samples

Girndt, A.; Cockburn, G.; Sánchez-Tójar, A.; Løvlie, H.; Schroeder, J., PLoS ONE. 8. 12. 2017. http://www.scopus.com/inward/record.url?eid=2-s2.0-85027548976&partnerID=MN8TOARS . 10.1371/journal.pone.0182853 . PLoS ONE

Winter territory prospecting is associated with life-history stage but not activity in a passerine

Sánchez-Tójar, A.; Winney, I.; Girndt, A.; Simons, M.J.P.; Nakagawa, S.; Burke, T.; Schroeder, J., Journal of Avian Biology. 407 - 416. 3. 48. 2017. http://www.scopus.com/inward/record.url?eid=2-s2.0-84992390879&partnerID=MN8TOARS . 10.1111/jav.01055 . Journal of Avian Biology

Parentage Analyses Reveal Hidden Breeding Strategies of European Rollers Coracias garrulus

Sánchez-Tójar, A.; Parejo, D.; Martínez, J.G.; Rodríguezruiz, J.; Avilés, J.M., Acta Ornithologica. 252 - 258. 2. 50. 2015. http://www.scopus.com/inward/record.url?eid=2-s2.0-84958149622&partnerID=MN8TOARS . 10.3161/00016454AO2015.50.2.013 . Acta Ornithologica

Extra-pair matings, context-dependence and offspring quality: A brood manipulation experiment in pied A flycatchers

Ruiz-De-Castañeda, R.; Cantarero, A.; Moreno, J.; González-Braojos, S.; Sánchez-Tójar, A.; Martínez, J.G., Behaviour. 359 - 380. 3-4. 150. 2013. http://www.scopus.com/inward/record.url?eid=2-s2.0-84880520642&partnerID=MN8TOARS . 10.1163/1568539X-00003056 . Behaviour

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