Explanation:

The country's fourth and first bird ringing center of Bihar was started at Sunderbans in Bhagalpur Apart from this, there are ringing centers at Point Kalimeyer in Tamil Nadu, Bharatpur in Rajasthan and Chilka in Orissa.

With its opening in Bihar, migratory birds and Garuda coming to Bihar can be worn by wearing a ring to study its migration, development, number, flight path and breeding etc. On the first day of the launch of this center, four Garuda brought for rehabilitation in Sundarbans were ringed Presently, five bird scientists and two bird catching members have been deployed at this ringing center.