About the Authors

Margarita Mulero-Pázmány

muleromara@hotmail.com

Affiliations Swiss Ornithological Institute, Sempach, Switzerland, Department of Evolutionary Ecology, Doñana Biological Station, CSIC, Seville, Spain, Departamento de Ciencias Naturales, Universidad Técnica Particular de Loja, San Cayetano Alto, Loja, Ecuador

Susanne Jenni-Eiermann

Affiliation Swiss Ornithological Institute, Sempach, Switzerland

Nicolas Strebel

Affiliation Swiss Ornithological Institute, Sempach, Switzerland

Thomas Sattler

Affiliation Swiss Ornithological Institute, Sempach, Switzerland

Juan José Negro

Affiliation Department of Evolutionary Ecology, Doñana Biological Station, CSIC, Seville, Spain

Zulima Tablado

Affiliation Swiss Ornithological Institute, Sempach, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: MMP ZT. Data curation: MMP NS ZT. Formal analysis: ZT MMP. Funding acquisition: MMP SJE JJN. Investigation: MMP NS ZT. Methodology: ZT MMP. Project administration: SJE JJN MMP ZT. Resources: JJN. Software: ZT. Supervision: JJN SJE TS. Validation: ZT MMP. Visualization: MMP ZT. Writing – original draft: MMP SJE NS TS JJN ZT. Writing – review & editing: MMP SJE NS TS JJN ZT.