two adult female mallard duck birds on a grassy wetlands of the biebrza river in poland in early spring nesting period

mallard duck anas platyrhynchos krzyzowka kaczka bird female poland polska biebrzanski biebrza grass grassy water pond river lake park color colorful travel tourism outdoor nature animal avian wing wings living wildlife wild wetland wetlands moor marsh marshes swamp swamps natural conservation bill beak tail two pair couple lesian lesbians lgbt