About the Authors

Friederike Range

friederike.range@vetmeduni.ac.at

Affiliations Messerli Research Institute, University of Veterinary Medicine Vienna, Medical University of Vienna, University of Vienna, Vienna, Austria, Wolf Science Center, Ernstbrunn, Austria

Zsófia Virányi

Affiliations Messerli Research Institute, University of Veterinary Medicine Vienna, Medical University of Vienna, University of Vienna, Vienna, Austria, Wolf Science Center, Ernstbrunn, Austria

Competing Interests

The authors declare that Royal Canin or any other commercial funder has no claim on the scientific procedures or any of the affairs of the Wolf Science Center. Accordingly, this does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: FR ZV. Performed the experiments: FR ZV. Analyzed the data: FR. Wrote the paper: FR ZV.