Question

give reasons. migration is essential for the birds.​

Answer 1

Migratory birds fly hundreds and thousands of kilometres to find the best ecological conditions and habitats for feeding, breeding and raising their young. When conditions at breeding sites become unfavourable, it is time to fly to regions where conditions are better. There are many different migration patterns.

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Answer 2

Answer:

some birds like cold and some like hot so when the weather changes they migrate to the place which conditions they like