Funding for this research was provided by:
University of Pisa (599999_2017_FFABR)
Università di Pisa
Received: 26 August 2020
Revised: 25 February 2021
Accepted: 2 March 2021
First Online: 13 March 2021
: The authors declare that the research was conducted without any conceptual or financial relationships that could represent a potential conflict of interest.
: The Ethical Committee on Animal Experimentation of the University of Pisa approved the experimental protocol (ref. n. 62131).
: The owners gave wrote consent to the use of their horses in this experiment.
: All authors are aware of and approve this submission to “Animal Cognition”.
: All relevant data, including raw data (Online Resource 17) and example videos, are located in the Supporting Information. The videos that support the findings of this study are available from the corresponding author upon reasonable request.