Fortunately, it's extremely rare that they exhibit violent behavior toward birds of their own kind. Both sides usually carry out a "no-contact" but also "no-compromise" war across a DMZ of about twenty centimeters.
所幸，它們對同胞手足，極少會出現暴力行為，雙方往往保持在廿公分以外，進行不接觸、但也不妥協的戰爭。