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Line 24: − == Humans == − Migration is typically done by individuals, families, or extended families going to live in another [[country]], but there have been many periods of mass migration, where large numbers of people move to another country. − This is often instigated by oppressive regimes or [[natural disaster]]s, such as [[drought]].
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'''Migration''' is the movement of people or animals (particularly [[bird]]s) to live in another place.
'''Migration''' is the movement of animals (particularly [[bird]]s) to live in another place.
With animals, migration is usually a periodic movement to better climate or feeding areas. It is typically repeated in a similar manner each year.
With animals, migration is usually a periodic movement to better climate or feeding areas. It is typically repeated in a similar manner each year.
Even more remarkable is how many butterflies die during the migration, and yet their offspring continue on the same journey nevertheless.
Even more remarkable is how many butterflies die during the migration, and yet their offspring continue on the same journey nevertheless.
== References ==
== References ==