During this same period, they became common birds throughout much of Eurasia, where their vast territory now stretches from the Iberian Peninsula in the west to Japan in the east.
اما في المناطق التي يكون فصل الشتاء فيها قاسيا ،‏ فيهاجر الى مناطق اكثر دفئا بعد موسم التزاوج .‏