Telephoto zoom in shot of a wild male rosy-billed pochard duck, netta peposaca swimming across the river with its bright red bill covered with green weeds after feeding on aquatic vegetations

pochard waterfowl waterbird male adult duck rosybill forage bird wetland marsh wildlife freshwater pond species marshland netta billed omnivorous float swim lake aquatic habitat environment peposaca close up nature water feed eat rosy river natural swampy scum park plant vegetation surface food seaweed wild swamp algae landscape grass green string