Wet Nutria eating freshwater-plant with both hands in shallow water

coypu coipo nutria herbivore herbivorous wildlife environmental impact semiaquatic rodent myocastoridae plant eater vegan vegetarian feeds on river plant stems invasive species animalia mammalia rodentia echimyidae myocastor coypus mouse beaver nature ragondin beaver rat swamp rat large rodents native to south america freshwater lilies devour aquatic creature ecosystem ecology voracious appetite wetland plants furry rodent ecologically harmful invasive species exotic animal catastrophic for the environment dark brown fur freshwater marsh aquatic historical fur trade environmental destruction closeup shot eating wetland pests whiskers hunger damaging riverbanks