Colius is a bird genus in the family Coliidae. It contains the following species: \n* Speckled mousebird, Colius striatus \n* White-headed mousebird, Colius leucocephalus \n* Red-backed mousebird, Colius castanotus \n* White-backed mousebird, Colius colius A fossil species, Colius hendeyi, was described from Early Pliocene remains found at Langebaanweg in South Africa.