Movements
They are not true long-distance migrants, but wander erratically outside the breeding season and move south from their summer range in winter. In poor berry years huge numbers can erupt well beyond their normal range, often in flocks that on occasion number in the thousands (Witmer and Avery 2003).
Read more about this topic: Waxwing
Famous quotes containing the word movements:
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—Thomas Aquinas (c. 1225–1274)