Happy Cinco de Mayo! The Xoloitzcuintli (pronounced show-low-eats-QUEENT-lee) is a national treasure from its native Mexico and the only dog breed whose name starts with the letter X. . . . . . #xolo #Xoloitzcuintli #dog #dogbreed #animalplanet #x #mexico #dogbreedsfrommexico #rarebreeds #cincodemayo #toocute #pictureoftheday #photooftheday #potd