A single female rosy-billed pochard, netta peposaca slowly swimming across pond scum with string algae floating above the wavy water surface, wildlife close up shot

float surface string algae scum pond swamp swampy lake environment swim aquatic water female duck green grass vegetation plant landscape river nature natural habitat wild seaweed freshwater rosy billed pochard netta peposaca bird waterfowl rosybill south america argentina wildlife bill close up wetland omnivorous ornithology waterbird park beak brown marsh marshland