About the Authors

Zita Polgár

zita@polgarweb.com

Affiliation Department of Ethology, Eötvös Loránd University, Budapest, Hungary

Mari Kinnunen

Affiliations Department of Ethology, Eötvös Loránd University, Budapest, Hungary, Department of Ecology, University of Oulu, Oulu, Finland

Dóra Újváry

Affiliation Institute for Wildlife Conservation, Faculty of Agriculture and Environmental Sciences, Szent István University, Gödöllő, Hungary

Ádám Miklósi

Affiliations Department of Ethology, Eötvös Loránd University, Budapest, Hungary, MTA-ELTE Comparative Ethology Research Group, Budapest, Hungary

Márta Gácsi

Affiliation MTA-ELTE Comparative Ethology Research Group, Budapest, Hungary

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZP MG DÚ MK ÁM. Performed the experiments: ZP MK DÚ MG. Analyzed the data: ZP MG. Wrote the paper: ZP MG ÁM.