Migration

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Migration Meaning and Definition in Dictionary

Definitions from Wordnet 2.0


  • the movement of persons from one country or locality to another
  • the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding
  • (chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule
  • a group of people migrating together (especially in some given time period)

Definitions from Wiktionary


  • the movement of persons from one country or locality to another ,
  • a group of people migrating together (especially in some given time period) ,
  • (chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule ,
  • the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding

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Migration Meaning and Definition in Wikipedia


Migration is when animals move on an annual cycle. For example, caribou in the Arctic go south in winter and return in summer when it is warmer. Many birds migrate, such as geese and storks.

Migration is the travelling of long distances in search of a new habitat. The trigger for the migration may be local climate, local availability of food, or the season of the year. To be counted as a true migration, and not just a local dispersal, the movement should be an annual or seasonal event.

Many birds migrate south for the winter, and young Atlantic salmon leave the river of their birth when they have reached a few inches in size.

Many species in the sea have a daily migration. Plankton go up for the day where there is light, and down at night, where they are less easy to find. The many species which feed on them follow them up and down.



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