Birds of the Ukrainian region of the Upper Tisa

During the past 7 years we examined the avifauna of River Tisa and some of its tributaries. The information collected makes it possible to look at the contemporary aviafauna of the River Tisa valley and some of the tributaries, and can help us obtain a current status of the ornithofauna of the basin. With the help of this publication we are trying to give the most complete annotated list of the ornithofauna of the investigated region