Question

Why migration is necessary for some Birds living with in polar regions​

Answer 1

Answer:

hi bro

Explanation:

some birds need to migrate from one place specially polar bird because can't survive in hot climatic places . hence they are required to migrate

Answer 2

Answer:

Migration is necessary for birds in polar regions.

Some birds need cold climate but not chilly.

So, they come to the polar regions during the summer.

But as they also cannot withstand chilly and harsh weather of the polar regions during winter, they migrate for a warmer climate.

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