About the Authors
- Charlotte K. Hemelrijk, Hanno Hildenbrandt
- Behavioural Ecology and Self-Organisation, Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, The Netherlands
The authors have declared that no competing interests exist.
Performed the experiments: CKH HH. Analyzed the data: CKH HH. Contributed reagents/materials/analysis tools: CKH HH. Wrote the paper: CKH. Software development: HH.