Researchers of the Hungarian Research Network (HUN-REN), the University of Debrecen (UD), the Eötvös Loránd University (ELTE) and the Hortobágy National Park Directorate investigated the social system of a herd of Przewalski's horses in Hortobágy by combining drone-based movement analysis and long-term population monitoring data.
Horses have growths on their legs which are believed to be extra toes, vestigial glands, and night eyes - which some say help them see in the dark. Check out what they really are here: