diamondback, diamondback rattlesnake, Crotalus adamanteus
['guinea pig, Cavia cobaya', 'sandbar, sand bar', 'sloth bear, Melursus ursinus, Ursus ursinus', 'axolotl, mud puppy, Ambystoma mexicanum', 'flatworm, platyhelminth', 'muzzle', 'barn spider, Araneus cavaticus']