Question

what is the scientific reason behind bird's migration

Answer 1

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THE SCIENTIFIC REASON BEHIND MIGRATION OF BIRDS ARE THAT THEY CANNOT CHANGE THEIR TEMPERATURE ALONG WITH OUTSIDE TEMPERATURE AND WITH THE CHANGE IN OUTSIDE TEMPERATURE, THEIR BODY TEMPERATURE FLUCTUATE. HENCE , TO PROTECT THEMSELVES FROM SUCH HARSH SUMMER OR WINTER CONDITIONS, THEY GO FOR MIGRATION.

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Answer 2

Answer:

The scientific reason behind migration of bird are that they cannot change their temperature along with outside temperature and with the change in outside temperature, their body temperature fluctuate .Hence, to protect themselves from such harsh summer or winter conditions they go for migration