About the Authors

Susana Caballero

sj.caballero26@uniandes.edu.co

‡ SC, SD, and MFG are shared first authors on this work.

Affiliation Laboratorio de Ecología Molecular de Vertebrados Acuáticos, Biological Sciences Department, Universidad de los Andes, Bogota, Colombia

Sebastian Duchêne

‡ SC, SD, and MFG are shared first authors on this work.

Affiliations Laboratorio de Ecología Molecular de Vertebrados Acuáticos, Biological Sciences Department, Universidad de los Andes, Bogota, Colombia, School of Biological Sciences, The University of Sydney, NSW, Australia

Manuel F. Garavito

‡ SC, SD, and MFG are shared first authors on this work.

Affiliation Grupo de Investigaciones en Bioquímica y Biología Molecular de Parásitos, Biological Sciences Department, Universidad de los Andes, Bogota, Colombia

Beth Slikas

Affiliation Marine Mammal Institute and Department of Fisheries and Wildlife, Hatfield Marine Science Center, Oregon State University, Newport, Oregon, United States of America

C. Scott Baker

Affiliation Marine Mammal Institute and Department of Fisheries and Wildlife, Hatfield Marine Science Center, Oregon State University, Newport, Oregon, United States of America

Competing Interests

The authors have declared no competing interests exist.

Author Contributions

Performed the experiments: SC. Analyzed the data: SC BS SD MFG. Contributed reagents/materials/analysis tools: SC SD MFG BS SB. Wrote the paper: SC SD MFG SB. Worked on the initial research idea: SC. Generated the ND2 sequence and mitogenome data: SC. Drafted the manuscript: SC. Carried out the phylogenetic and selection analyses: SD. Performed the protein models: MFG. Contributed in the structural analysis: MFG. Helped with mitogenome data generation and initial bioinformatic analyses: BS. CSB Provided advice in experimental design: CSB. Provided laboratory equipment and funding for data generation and analyses: CSB. Helped with manuscript writing: CSB. Read and approved the final version of the manuscript: SC SD MFG BS SB.