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Supplemental Information

Supplemental Table S1: Skull data

Archive data for each Quiscalus mexicanus skull measured (SBMNH=Santa Barbara Museum of Natural History, MSB=Museum of Southwestern Biology, KU=University of Kansas Biodiversity Institute and Natural History Museum). *=Quiscalus mexicanus mexicanus

DOI: 10.7287/peerj.preprints.791v1/supp-1

Additional Information

Competing Interests

The authors declare they have no competing interests.

Author Contributions

Corina J Logan conceived and designed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Christin Palmstrom performed the experiments, contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Animal Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

No approval was necessary since we used skulls from museum collections.

Data Deposition

The following information was supplied regarding the deposition of related data:

We will deposit the data at the knb data repository (https://knb.ecoinformatics.org/) soon and let you know the citation when it is available.

Funding

This research was funded by the SAGE Center for the Study of the Mind (CJL) and the Undergraduate Research and Creative Activities grant (CP) at the University of California Santa Barbara. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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