Their climate is fairly constant, too, so they don't have many times when large-scale weather patterns cause big migrations or force technological change.

The big German migrations to this area started around 1830 and continued quite strong for the rest of the century.

"There is such a big migration of turtles and crabs that hatch and go out into the Sound."

For consumers, the next big migration of digital technology is beyond the personal computer to music players, cameras and television sets.

Instead, this big migration has coincided with the much harped-on polarization between "red" and "blue" America.

There's been a big migration to Texas and the South in the last few years, and that has changed the face of the cities.

There were no passports and virtually no restrictions on immigration, making for perhaps the biggest migration in human history.

At the time everybody in New York was making the big migration to the Hamptons.

The resettlement of the Afghan refugees could be one of the biggest human migrations in recent history.

Comparisons do not help: 'the biggest migration in the history of the human race' - meaningless.