Mehr News Agency: About a month has passed since the transfer of the Belgian Siberian tern to Mazandaran, and it is wintering in the Fereydunkanar wetland along with the Omid tern.
It has been migrating singly for 15 years, and in order to maintain the flight line, a wing of the tern was transferred from Belgium to Mazandaran last month, and these two birds fly together in the Faridoonkanar wetland.