Why do birds migrate?

By OHMIC

By OHMIC | March 20, 2016

Migration is a behaviour that has astonished people for many years.

One day the birds are in your backyard, the next day they are nowhere to be seen. Why do birds migrate?

The term migrate means “to go from one place to another.” This is essentially what happens when birds migrate, they move from one wetland to another wetland. It can be to or from any direction. The most common are northern and southern routes.

Migration occurs twice a year, in spring and fall. The reason is to find suitable habitat. Birds need four basic things to survive: shelter, water, food and space. Every animal, including us, needs these four factors to live.  In the spring, food and breeding territories are scarce and competition is strong in the south, so birds travel north. This ensures that more young will be raised. In the fall, the impending cold winter and resulting lack of food forces the birds south.

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