Oolians were a race of bird-like humanoids native to Oolis. (PROSE: Original Sin) In 1609, they attended the Armageddon Convention at Laputa. (PROSE: The Empire of Glass) In the late 26th century, Oolians had a presence on Ursu. (PROSE: Beyond the Sun) In 2975, the Seventh Doctor and Bernice Summerfield visited Oolis and came into conflict with an Oolian militia. (PROSE: Original Sin)