Since their discovery, it's been the animals that have received the majority of the study like this black horse from Cullalvera in Spain, or this unusual purple bison from La Pasiega.
De la descoperirea lor, majoritatea studiului s-a concentrat pe animale, cum ar fi acest cal negru din Cillalvera, Spania, sau neobișnuitul bizon violet din La Pasiega.