The dispossessed migrated to urban areas in search of jobs.
Job losses in former industrial cities have often pushed population out, as people migrate to other areas to find new work.
Most of the younger generations are migrating to urban areas.
They migrated from forest to coastal areas to take advantage of seasonal resources.
Furthermore their limited distribution and specific habitats make it difficult for them to migrate to other areas.
This forced them to migrate to other areas to continue trading.
Between 1960 and 1973, 1.8 million people migrated to urban areas.
Caucasians migrated to other more established areas in the late 80's.
Most are native all year, but some species migrate to warmer areas during the winter.
High levels of deforestation made the bird to migrate to other areas.
