One of the more attractive alien species featured in The Last Jedi were the vulptex, foxlike creatures with crystal fur on the salt planet Crait. The finished products were the result of puppetry, animatronics, and CGI. To develop the vulptex, animators wanted to see how such a creature would move, so they put a crystal critter costume on a dog. A very patient dog.
You have to admit, that's a good dog. -via The Daily Dot