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Supplemental Information

Supplementary material. Tables S1 and Figures S1, S2 and S3

DOI: 10.7287/peerj.preprints.3136v1/supp-1

Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Luis M. Carrascal 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.

Angel C. Moreno performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, reviewed drafts of the paper.

Alejandro Delgado contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Víctor Suárez contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Domingo Trujillo 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):

The Consejería de Medio Ambiente del Cabildo de Gran Canaria gave access to carry out all the field work.

Data Deposition

The following information was supplied regarding data availability:

Data is sensible considering we are working with an endangered species. We cannot provide the locations of the nests or the trails within Inagua Strict Nature Reserve where the species is more abundant.

Funding

All the funding and sources of support come from the Conservation Program for the Blue Chaffinch implemented by the Gobierno de Canarias throughout 1991–2004, Cabildo de Gran Canaria (2005-2015), and by European Union (1995-1996: LIFE94 NAT/E/ 001159, 1999-2002: LIFE98 NAT/E/005354, and 2016: LIFE14 NAT/ES/000077). There was no additional external funding received for this study. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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