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.
A person, usually one who is retired, who travels from a warm climate to a colder one in the summer; one who oversummers elsewhere.
A bird belonging to any of several species in the family Nectariniidae.