closeup of a coypu, a semi aquatic rodent with large teeth, spiny water rat from south america

adorable america american animal animals aquatic big closeup coypu coypus cute echimyidae face fauna funny fur furry hair hairy head herbivore herbivorous invasive lake large marsh myocastor nutria nutrias portrait rat rats river rodent rodents semi sitting south specie species spiny standing swamp teeth tooth water zoo zoology