While there are many birds that have naturally evolved to be flightless, there’s only one kind of bird humans have selectively bred until it no longer possesses an ability shared by most of its kin- the parlor roller. A member of the pigeon family, the parlor roller is unique amongst birds in that instead of flying, it travels not only … Continue reading The Bird that is Bred to Do Backflips Instead of Fly- the Parlor Roller