Question

What do you understand by migration of animals? Why do animals migrate​

Answer 1

Answer:

Animal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. ... The trigger for the migration may be local climate, local availability of food, the season of the year or for mating reasons.

Answer 2

Some animals travel relatively short distances to find food or more favorable living or breeding conditions. Most animals that migrate do so to find food or more livable conditions. Some animals migrate to breed. The Atlantic Salmon begins its life in a river and migrates downstream to the ocean