hippopotamus, hippo, river horse, Hippopotamus amphibius
['sea slug, nudibranch', 'ocarina, sweet potato', 'long-horned beetle, longicorn, longicorn beetle', 'hognose snake, puff adder, sand viper', 'orangutan, orang, orangutang, Pongo pygmaeus', 'lakeside, lakeshore', 'howler monkey, howler']