Migration

Migration, migratory, or migrate may refer to: ==Human migration== Human migration, physical movement by humans from one region to another International migration, when peoples cross state boundaries and stay in the host state for some minimum length of time

==Natural sciences== ===Biology=== Migration (ecology), the large-scale movement of species from one environment to another Animal migration Bird migration Plant migration, see Seed dispersal, the movement or transport of seeds away from the parent plant Forest migration Gene migration, a process in evolution and population genetics Cell migration, a process in the development and maintenance of multicellular organisms Collective cell migration, describing the movements of group of cells