porcupine, hedgehog
['otterhound, otter hound', 'mouse, computer mouse', 'hen-of-the-woods, hen of the woods, Polyporus frondosus, Grifola frondosa', 'feather boa, boa', 'axolotl, mud puppy, Ambystoma mexicanum', 'West Highland white terrier', 'nematode, nematode worm, roundworm']