Question

Why do birds fly south for the winter? ​

Answer 1

Answer:

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Birds that nest in the Northern Hemisphere tend to migrate northward in the spring to take advantage of burgeoning insect populations, budding plants and an abundance of nesting locations.

As winter approaches and the availability of insects and other food drops, the birds move south again.

Answer 2

Birds that nest in the Northern Hemisphere tend to migrate northward in the spring to take advantage of burgeoning insect populations, budding plants and an abundance of nesting locations. As winter approaches and the availability of insects and other food drops, the birds move south again