Can ponies distinguish human facial expressions?

This week Nancy and Kate discuss this 2022 paper that demonstrates ponies are able to distinguish between facial expressions presented by a live human.

Research Reference/Link:

Merkies, Katrina, Yuliia Sudarenko, and Abigail J. Hodder. 2022. "Can Ponies (Equus Caballus) Distinguish Human Facial Expressions?" Animals 12, no. 18: 2331.

https://www.mdpi.com/2076-2615/12/18/2331