migratory [ˈmaɪgrətri]

以下由轻松背单词网站提供

n.候鸟，迁移

used of animals that move seasonally;

Many migratory birds visit this lake annually. 许多候鸟每年到这个湖上作短期逗留。
This does not negate the idea of migratory aptitude. 这并没有否定迁移能力这一概念。