Rooster is the name given to a Generation 5 Furby released in October of 1999. It is moderately hard to find (especially the green-eyed version, which is rarer). It has a tail.
Most of them have brown or blue eyes, but there is a rare green eyes version. It is only spotted: RowanCunningham and GummiBirdii (some user's) 1998 Furby, a picture, and the Blue 4 U Music Video of The Furby Song.