Invasive rodent called 'Myocastor Coypus', commonly known as 'Nutria', swimming in river with head raised

animals animal body of water coypu deserted echimyidae empty float heads head mammalian mammalia mammals mammal myocastor coypus nobody no one no people nutrias nutria raised river rat rivers river rodentia rodents rodent spiny rats spiny rat swimming swim uninhabited waterfront waters water