A non-native person who comes to a country from another country to permanently settle there.
A plant or animal that establishes itself in an area where it previously did not exist.
Of or relating to immigrants or the act of immigrating.
One who wanders, who travels aimlessly.
Any of various far-migrating nymphalid butterflies of the genus Danaus.
The wandering albatross, Diomedea exulans.