Question

migratory birds leave their place at particular time duration give scientific reason ​

Answer 1

Answer:

they migrate because of :

climatic changes

laying eggs

unavailability of food

Explanation:

hope it helps

Answer 2

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Migratory birds fly to far away places because of climatic changes. Bird migration is the regular seasonal movement, often north and south along a flyway for breeding, food availability, habitat and weather. For example, a flock of barnacle geese migrates during autumn.

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