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What is emigration?

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The term emigration refers to irregular movements out of an area, with no return. When such emigration is the result of sudden, explosive population increase, it is called an irruption. Irruptions are common among small rodents, notably lemmings , and various species of birds and insects.

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Get more facts and information about migration of animals . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

Similar questions: What can cause emigration in animals? What are irruptions? [ Hide these questions ]

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