The Lorians were a sentient avian species from a world in the Zenas Expanse. First contact between the Lorians and the United Federation of Planets was made by USS Voyager in 2402. (ST website: The Path to 2409)
They were warp-capable, but reclusive. Though they were open to exchanging diplomats with the Federation, they asked that starships refrain from entering their space without permission.
Federation scientists theorized that the Lorians may be related to the extinct Xindi-Avian species, but lacked enough information about the Xindi biology to confirm the hypothesis. (ST website: The Path to 2409)