axolotl, mud puppy, Ambystoma mexicanum
['Petri dish', 'starfish, sea star', 'walking stick, walkingstick, stick insect', 'sidewinder, horned rattlesnake, Crotalus cerastes', 'ocarina, sweet potato', 'tree frog, tree-frog', 'hippopotamus, hippo, river horse, Hippopotamus amphibius']