hippopotamus, hippo, river horse, Hippopotamus amphibius
['box turtle, box tortoise', 'axolotl, mud puppy, Ambystoma mexicanum', 'indri, indris, Indri indri, Indri brevicaudatus', 'stingray', "plunger, plumber's helper", 'tiger shark, Galeocerdo cuvieri', 'caldron, cauldron']