Animal Migration
Periodic movements of animals in response to seasonal changes or reproductive instinct. Hormonal changes are the trigger in at least some animals. Most migrations are made for reasons of climatic change, feeding, or breeding.
Year introduced: 2002
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Subheadings:
Tree Number(s): F01.145.113.069.500
MeSH Unique ID: D025041
Entry Terms:
- Animal Migrations
- Migrations, Animal
- Migration, Animal
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