Spring migration along the River Jasjel’da, near Rudka 2007. Веснавая міграцыя ўздоўж р. Ясельда, ля вёскі Рудка 2007 год. The River Jasjel’da is one of the major tributaries of the Pripet (Прыпяць); the Pripet Marshes Basin is one of Europe’s major flyways.