Migration patterns have changed dramatically over the past 50 years.

They are often observed in a sort of daily migration pattern as a result.

However, migration patterns cannot be assumed from a single site.

Job migration patterns have changed thanks to the economic crisis, say experts.

Migration patterns have changed such that many species remain in an area during the winter months.

The study found that the tuna had four different migration patterns.

But the growth is too broad to be explained only by migration patterns.

There is great variability in migration patterns within the family.

He also studied the connections between migration patterns and blood groups.

A person's occupation may have been related to his or her social status, political interest, and migration pattern.