fowl and is home to the endangered Ferruginous duck. The river is rich in common carp, northern pike, wels catfish and zander and a section of the river is transformed into the Jegrička fish pond. The section of the park is declared an important bird area. References Sources Jovan Đ. Marković (1990): Enciklopedijski geografski leksikon Jugoslavije; Svjetlost-Sarajevo; Decision of the preliminary protection of the natural property Jegrička, Institute for natural protection, 17 December 2003 External links Rivers of Serbia Geography of Vojvodina Bačka