cliff, drop, drop-off
['Gila monster, Heloderma suspectum', 'common iguana, iguana, Iguana iguana', 'nail', 'wallaby, brush kangaroo', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'sea urchin', 'jackfruit, jak, jack']