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Supplemental Information

Female and offspring detected genotypes

Female and offspring detected genotypes for each of the four microsatellite loci -each nest is reported in an individual spreadsheet-. And determination of paternal contribution proportion per each individual nest.

DOI: 10.7287/peerj.preprints.651v3/supp-1

Inferred parental genotypes

Inferred father genotypes per each individual nest using the final four microsatellite loci. And estimated amount of offspring that each father provided progenity to.

DOI: 10.7287/peerj.preprints.651v3/supp-2

Additional Information

Competing Interests

The authors declare they have no competing interests. However, we clarify that Michael P. Jensen is an employee of the National Oceanic and Atmospheric Administration which is an non-academic affiliation.

Author Contributions

Alonzo Alfaro-Núñez conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper, collected samples.

Michael P. Jensen conceived and designed the experiments, wrote the paper, reviewed drafts of the paper.

F. Alberto Abreu-Grobois conceived and designed the experiments, wrote the paper, reviewed drafts of the paper.

Animal Ethics

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

All tissue skin samples were collected in strict accordance with the recommendations in the Guide for the Care and Use of Laboratory Animals of the National Institutes of Health (Eight Edition, 2011); and exported under relevant CITES permits (host institute permit DK03). Moreover, samples were originated from live animals following a protocol made specially and approved by Universidad de Costa Rica (UCR) in cooperation with the Costa Rican Ministry of Environment and Energy (MINAE).


This project study was mainly personally funded but with external support from the University of Copenhagen. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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