a close-up of a koipu, also known as nutria, a large herbivorous semi-aquatic rodent, is depicted in an enclosure on an

animal water rodent pond nutria nature wet mammal wildlife closeup fauna coypu fur teeth zoo semiaquatic river creature forest lake park rat wild background bokeh brown single herbivore habitat furry macro branches leaves tree claws eating green food build snout castor face fiber bite hands beaver holding canadensis america close