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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Zachary R Hanna conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Marco F Ortiz-Ramírez conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

César A. Ríos-Muñoz conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Héctor Cayetano-Rosas conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Rauri C. K. Bowie conceived and designed the experiments, contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Adolfo G Navarro-Sigüenza conceived and designed 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):

UC Berkeley Institutional Animal Care and Use Committee approval number R317

Field Study Permissions

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

Secretaría de Medio Ambiente y Recursos Naturales permit number FAUT-0169

DNA Deposition

The following information was supplied regarding the deposition of DNA sequences:

GenBank

accession numbers will be provided prior to publication

Data Deposition

The following information was supplied regarding data availability:

ZRH814, Museum of Vertebrate Zoology, University of California, Berkeley

MZFC: 26000, Museo de Zoología “Alfonso L. Herrera”, Facultad de Ciencias, Universidad Nacional Autónoma de México

Funding

The National Science Foundation funded field and laboratory work under grant no. DEB 1026393 to R.C.K.B. This material is based upon work supported by the National Science Foundation Graduate Research Fellowship under grant no. DGE 1106400 to Z.R.H. Any opinion, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation. Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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