Originally Posted by Jr Mouse
I know in the EU they are an alien race. Not sure if that's canon or not now.
Ah, yes, I remember this from the Thrawn books. They're a race of cat monsters known for being diplomats and spies, notable for the way their fur somehow telegraphs exactly how they're feeling at the moment -- a very useful trait for diplomats or spies.
One of the little details that makes me embarrassed to say I read those books.