About the Authors

Petteri Ilmonen

p.ilmonen@klivv.oeaw.ac.at

Affiliation Konrad Lorenz Institute for Ethology, Austrian Academy of Sciences, Vienna, Austria

Alexander Kotrschal

Current address: Behavioural Ecology, Institute of Zoology, University of Bern, Bern, Switzerland

Affiliation Konrad Lorenz Institute for Ethology, Austrian Academy of Sciences, Vienna, Austria

Dustin J. Penn

Affiliation Konrad Lorenz Institute for Ethology, Austrian Academy of Sciences, Vienna, Austria

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PI DP. Performed the experiments: PI. Analyzed the data: PI. Wrote the paper: PI DP. Other: Contributed to the real time PCR part of the work and trapping the progenitor mice: AK.