Relating to or characterized by migration, especially the seasonal movement of animals from one region to another. Describes regular movement patterns for feeding or breeding.
From Latin 'migratus' meaning 'having moved from one place to another', from 'migrare' meaning 'to move'. The biological sense developed as scientists studied animal movement patterns.
Arctic terns make the longest migration of any animal, traveling roughly 44,000 miles annually from Arctic to Antarctic and back - they literally follow endless summer! Their migratory instinct is so precise they navigate by celestial and magnetic cues.
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