About the Authors

I. Joanna Makowska

inez.joanna.makowska@gmail.com

Affiliation Animal Welfare Program, University of British Columbia, Vancouver, British Columbia, Canada

Daniel M. Weary

Affiliation Animal Welfare Program, University of British Columbia, Vancouver, British Columbia, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IJM DMW. Performed the experiments: IJM. Analyzed the data: IJM DMW. Contributed reagents/materials/analysis tools: DMW. Wrote the paper: IJM DMW.