Another interesting explanation was that the circular movement is just a way for the reindeer to stay warm in the tundra. The constant motion and friction between the reindeer creates energy, and the movement pattern and multiple circles help contain heat.
However, it isn’t sure why the reindeer herds are acting so weird.
1 thought on “Reindeer Herds Walking in Circular Patterns for No Reason”
there is a parasite that lodges in the brain similar to a prion that can cause this. the only way to check would be a brain autopsy. The parasite also causes nerve damage and weight loss and ultimately causes death.