Comparison of bird fauna of the Volga and the Vistula rivers during autumn
migration. - A. Golawski, Z. Kasprzykowski. - Berkut. 13 (1). 2004. - P. 103-109.
Counts of birds migrating within the main river stream were conducted along 104 km of the lower Volga river in the period 310.08.2002 and along 98 km of the middle Vistula river in on 24.08.2003. Along the Volga 12 209 waterbirds from 53 species were encountered. The most numerously represented ecological groups were birds hunting from flight, and considering food preferences ichthyophags. Along the Vistula 5539 individuals from 39 species were recorded, domination of grassland birds and entomophags was stated. [English].
Key words: Volga river, Vistula river, migration, fauna, ecological groups.
Adress: A. Golawski, Department of Zoology, University of Podlasie, Prusa 12, 08-110 Siedlce, Poland;