Verb – Migrate
1 : to move from one country or place to live or work in another
He migrates from New York to Florida each winter.
Thousands of workers migrate to this area each summer.
2 of a bird or animal : to move from one area to another at different times of the year
The whales migrate between their feeding ground in the north and their breeding ground in the Caribbean.
They followed the migrating herds of buffalo across the plains.
— migration /maɪˈgreɪʃən/ noun, plural migrations
an expert on bird migration
mass migrations of workers
fall migrations to breeding grounds
— migrational /maɪˈgreɪʃənl̟/ adjective