What color is the electronic ring of Liaoning Tianlong pigeon racing club 202 1?

Blue. According to the information about electronic rings, it is known that the electronic rings of 202 1 Liaoning Tianlong Pigeon Racing Club are blue, and the electronic rings of homing pigeons are generally blue. Despite the vigorous development of homing pigeons, homing pigeons can return to their homes thousands of kilometers away on the same day and fly back in a few hours in a short race of hundreds of kilometers. In order to standardize the fairness and justice of the competition, the current carrier pigeons basically canceled the backward mode of pigeon bell newspaper and telephone newspaper.