About the Authors

Jan-Åke Nilsson

jan-ake.nilsson@biol.lu.se

Affiliation Department of Biology, Lund University, SE-223 62, Lund, Sweden

Mary Ngozi Molokwu

Affiliations Fauna & Flora International, 1000, Monrovia 10, Liberia, A.P. Leventis Ornithological Research Institute, P.O. Box 13404, Jos, Nigeria

Ola Olsson

Affiliation Department of Biology, Lund University, SE-223 62, Lund, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: JÅN MNM OO. Data curation: JÅN. Formal analysis: JÅN. Funding acquisition: JÅN. Investigation: JÅN MNM. Methodology: JÅN. Project administration: JÅN. Supervision: JÅN. Validation: JÅN. Visualization: JÅN. Writing - original draft: JÅN. Writing - review & editing: JÅN MNM OO.