Synonyms of migratory

2 Syllables
outbound, roaming, transient, roving, moving
3 Syllables
outward-bound, unsettled, motile, nomadic, wandering, mobile, unsteadfast, seasonal, vagabond, ambulant
4 Syllables
itinerant, perambulant, peregrine, transportable
5 Syllables
itinerate, unstationary