About the Authors

Jesús Gómez

Roles Conceptualization, Formal analysis, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing

jgm.spsc@gmail.com

Affiliation Independent researcher, Spain

Oscar Gordo

Roles Conceptualization, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Catalan Ornithological Institute, Barcelona, Spain

Piotr Minias

Roles Conceptualization, Data curation, Investigation, Resources, Writing – original draft, Writing – review & editing

Affiliation Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Łódź, Łódź, Poland

Competing Interests

The authors have declared that no competing interests exist.