About the Authors

Beatrix Agnvall

Affiliation IFM Biology, Avian Behaviour Genomics and Physiology Group, Linköping University, SE 58183 Linköping, Sweden

Per Jensen

perje@ifm.liu.se

Affiliation IFM Biology, Avian Behaviour Genomics and Physiology Group, Linköping University, SE 58183 Linköping, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualizationa: BA PJ. Formal analysis: BA. Funding acquisition: PJ. Investigation: BA. Methodology: BA PJ. Project administration: PJ. Supervision: PJ. Visualization: BA. Writing – original draft: PJ. Writing – review & editing: PJ BA.