Question

what is The scientific reason behind bird migration ​

Answer 1

Answer:

Birds migrate to other region due to following reasons:

1. Extreme weather condition

2. Abundant food in other region and lack of food like insects in the region which they originally belong to.

3. In case of water birds, complete drying up of waterbodies in their home region.

Answer 2

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