echidna, spiny anteater, anteater
['bittern', 'sloth bear, Melursus ursinus, Ursus ursinus', 'centipede', 'chiton, coat-of-mail shell, sea cradle, polyplacophore', 'guinea pig, Cavia cobaya', 'axolotl, mud puppy, Ambystoma mexicanum', 'hare']