Explanation
According to the question,
The number of migratory birds visit Rajasthan is  407113 
And, the number of migratory birds visit Kerala is  730412 
 \therefore  The sum of migratory birds visit altogether is  = 
 \left(407113+730412\right) 
 \rightarrow 1137525 
In international place value system :
The sum of migratory birds visit altogether is  1,137,525. 
In word : One million one hundred thirty seven thousand five hundred twenty five.
Now,
‘Rajasthan’ is having less number of migratory birds by  = 
 \left(730412-407113\right) 
 \rightarrow 323299 
In international place value system,
‘Rajasthan’ is having less number of migratory birds by  323,299. 
In word : Three hundred twenty three thousand two hundred ninety nine.
Ans: The sum of migratory birds visit altogether is  1,137,525. 
‘Rajasthan’ is having less number of migratory birds by  323,299. 
 
                    