Curiously, Star Trek's Klingons and Romulans both have Bird-of-Prey starships ... episode 2, "The Enterprise Incident", a Romulan ship looks just like the D7-class Klingon battle cruiser in ...

The writers can take the blame for the Klingon Warbird that appeared early in Enterprise, too. Braga confirmed to Star Trek magazine that it was a writer mix-up, where Bird of Prey had been ...