single adult female mallard duck bird on a tree branch over the biebrza river wetlands in poland in early spring nesting period

alone anas animal avian beak biebrza biebrzanski bill bird branch color colorful conservation duck female forest kaczka krzyzowka lake living mallard marsh marshes moor natural nature one outdoor park platyrhynchos poland polska pond river single swamp swamps tail tourism travel tree water wetland wetlands wild wildlife wing wings wood wooded