Census data can help us understand the massive daily migrations between where people live and where they work.

They participate in a daily migration, traveling from deep water during the day to shallow waters at night.

It undergoes a daily vertical migration from deep waters to near the surface.

Thus, they perform a daily vertical migration of 15 meters, no small feat a creature only 3 mm long.

The larvae have a vertical daily migration.

Many species in the sea have a daily migration.

Most krill species display large daily vertical migrations, thus providing food for predators near the surface at night and in deeper waters during the day.

Until waves of suicide bombers poisoned the daily migration, this was a symbiotic relationship.

This daily migration is well observed at quite a few species of stomiiforms.

The deep sea, for example, is the scene of daily vertical migrations.