Usually done in an open-air stadium, the camels are meant to wrestle each other to the ground, which is not a common attitude between these animals. A winner is declared when one camel is sitting on top of another. There is no biting involved as they were muzzles, but this is not a normal behavior found in camels.
Roller pigeon competition
Pigeons can be bred to learn how to roll, somersault and do a number of tricks both in the air and on the ground. Some of them can even more so quick that they look more like a feathered ball. Competitions can include a number of pigeons on each team and will attempt to do a number of formations and tricks to score points.