green mamba
['black widow, Latrodectus mactans', 'axolotl, mud puppy, Ambystoma mexicanum', 'African crocodile, Nile crocodile, Crocodylus niloticus', 'sloth bear, Melursus ursinus, Ursus ursinus', 'zucchini, courgette', 'buckeye, horse chestnut, conker', 'chambered nautilus, pearly nautilus, nautilus']