Broos are creatures of chaos. As a result of their ability to mate with anything, they have the body of a man and features of their animal parent, often deer, goats, antelope, cattle, and sheep. The animal parent normally dies with the child eating its way out of the host at full gestation. They worship Malia, the Mother of Disease, and Thed, the goddess of rape and mother of Chaos.
Scorpionmen are belligerent folk, who look like a sort of scorpion-human centaur.They are described as stupid, vicious and live in violent matriarchies with a religious emphasis on devouring. They are chaotic in nature.
Ducks or Durulz are large intelligent ducks with arms instead of wings (or men cursed with feathers and webbed feet, depending on your point of view). They reside around rivers, mainly in Sartar, and have an unexplained mystical affinity with Death.
Aldryami are Gloranthan plantmen, nature and sun worshipping—mainly worshipping Aldrya, deity of plants. Unlike Tolkienesque elves, they are alien, physically plant-like and often hostile to normal humans ("meat men'"). Like many other fictional elf races, they are excellent archers.
Mostali are a machine-like dwarf race, extremely xenophobic, orthodox and insular. Inventors of iron, which has many extraordinary magical properties in Glorantha, contrasting to the primary metal used bronze.
Uz, the trolls, are the race of darkness, large, intelligent, astoundingly omnivorous, with a very developed sonar-like sense (darksense). Their societies are matriarchal, and they worship, among others, a goddess of darkness called Kyger Litor, mother of the Trolls, and the more violent and sinister Zorak Zoran.
Dragonewts are a magical race who comprise several forms of neotenic dragons, engaged in a cycle of self-improving reincarnation. They are extremely alien with an incomprehensible mindset. They must have oral surgery in order to speak human languages.