Senate Bill 1070 is often seen as an outgrowth of Mexican migration.
“I think there is in Europe a schizophrenic debate about migration,” says Guterres, a former prime minister of Portugal.
Just when migration out of the rural sector should have been increased, it came to a halt.
For some time, Monarch Watch has recruited amateur trackers to help it monitor butterfly populations and document the migration.
Even if migration continues at its current pace, African migrants will constitute a sizable minority group within a decade.
Like the grilse, it returns to the river the summer of its spring migration, weighing about a pound and a half upon an average.
The “migration of the squirrels” is still an unexplained fact.
We must create a new rural environment which will not only stem the migration to urban centers, but reverse it.
The instinct of migration is one of the most wonderful in the world.
migration has an especial influence in this way on all organisms with separate sexes.
1610s, of persons, 1640s of animals, from Latin migrationem (nominative migratio) "a removal, change of abode, migration," noun of action from past participle stem of migrare "to move from one place to another," probably originally *migwros, from PIE *meigw- (cf. Greek ameibein "to change"), from root *mei- "to change, go, move" (see mutable). Related: Migrational.
That European birds migrate across the seas or to Asia was understood in the Middle Ages, but subsequently forgotten. Dr. Johnson held that swallows slept all winter in the beds of rivers, while the naturalist Morton (1703) stated that they migrated to the moon. As late as 1837 the "Kendal Mercury" "detailed the circumstance of a person having observed several Swallows emerging from Grasmere Lake, in the spring of that year, in the form of 'bell-shaped bubbles,' from each of which a Swallow burst forth ...."
migration mi·gra·tion (mī-grā'shən)
The moving from place to place, as of disease symptoms.
The movement of a tooth or teeth out of normal position.
The movement of one or more atoms from one position to another within a molecule.
The movement of ions between electrodes during electrolysis.