Caitians
From Star Trek : Freedom's Wiki
The Caitians are a humanoid species hailing from the planet Cait. The feline appearance of Caitians includes long manes and a tail. Caitians tend to vary in color from brown to black, and talk in a soft purring voice. (Star Trek: The Animated Series)
As Cait is a Federation member, Caitians are known to serve in Starfleet and on the Federation Council, and were present as members in 2286.