On average, Rylans are very similar to Humans. A bipedal humanoid species, they have two hands and two feet, each of which has five digits. Rylans have much larger skulls than Humans.
A founding member of the Star League, the Rylans of Rylos are a peaceful and enlightend society. On Rylos, hunger, war, disease, and poverty have been largely eliminated. The philosophy of the Rylans and the Star League itself revolves around compassion and courage.