Give an example to show that birds do not migrate at the same time Bir – InterviewSolution

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1.	Give an example to show that birds do not migrate at the same time Birds do not actually begin their migration.
Answer» The same day every year. For example, the famous Swallows of California are supposed to leave on October 23rd and return on March 19th. But their dates of departure and return have been found to be varying from year to year.

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