Question

2. What is migration ? How do birds migrate?​

Answer 1

$\huge\red\bigstar$What is migration ?

Answer : A person or an animal is move from one place to another place are known as migration .

$\huge\green\bigstar$How do birds migrate ?

Answer : 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.

Answer 2

$\red{\boxed{\bold{\underline{{ Description \: of\: Migration \: }}}}}$

When people or animals started to move from one place to another in order to get food, job (in case of humans only) , or shelter for always or provisional depends on the quantity of resources they seek for, is known as Migration.

Migration is classified into two broad categories which is listed below :-

1. Internal Migration
2. External Migration

As the name suggest migration which occur within a nation is referred as internal Migration. it is also known as immigration.

Just opposite of that the migration which occur externally or outside a nation is referred as External migration. it is very common practice of migration in Human beings.

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$\red{\boxed{\bold{\underline{{ Birds \: \: Migration \: }}}}}$

Birds usually migrate according to the seasons. The birds have potetiality to identify the directions like north to south poles through earth magnetic fields.

The Birds have a special mineral Named as Magnetite located just above their beaks.

This special substance helps them to identify the directions.