At what age do roller pigeons start to roll?

Answer 1

Rolling sidewards in a dive is an enhanced behaviour to escape peregrine falcons and female sparrow hawks. This behaviour is shown by e. g. Dunek, Kelebek and sometimes Oriental Rollers.

Rolling backwards originated from courtship display in the air. the evaolution hat the following steps: Clapping with the wings, sailing, erect the breast, flip over backwards, uncountable flippings backwards (seen as rolling). This behaviour is shown by e. g. Birmingham, Oriental and Galati Rollers.

Answer 2

Roller pigeons can roll as soon as they fly and are properly trained.