Birmingham Roller

The birmingham roller is a breed of pigeon very apreciated for the ability to do backward somersault while flying.
The breed was developed in Birmingham and the Birmingham Roler can be bred for show or for flying.
Show Birmingham Rollers are larger and they are destinated just for show.
And the Rollers that are bred for fly are destinated just for rolling in the air.
The Birmingham Rollers are very apreciated for the backward somersaults(the neurological causes for the rolling are still unknown)

The Backward somersaults are fast and the pigeon loks like a ball falling to the ground and they recover from the spin an continue their flight , and they do the same rolling frequency and often in the same time with other pigeons.