Question

why do birds migrate during winter​

Answer 1

Answer:

Migratory birds fly hundreds and thousands of kilometres to find the best ecological conditions and habitats for feeding, breeding and raising their young. ... There are many different migration patterns. The majority of birds migrate from northern breeding areas to southern wintering grounds.

Answer 2

Explanation:

Birds migrate to move from areas of low or decreasing resources to areas of high or increasing resources. The two primary resources being sought are food and nesting locations. ... As winter approaches and the availability of insects and other food drops, the birds move south again.

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