1. migratory -- (used of animals that move seasonally; "migratory birds")
2. migrant, migratory -- (habitually moving from place to place especially in search of seasonal work; "appalled by the social conditions of migrant life"; "migratory workers")
1.
On this hint, attempts have been made to construct elaborate migratory charts of the sperm whale. - from Moby Dick; or The Whale by Herman Melville