platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus
['puck, hockey puck', 'tiger beetle', 'stingray', 'slug', 'sidewinder, horned rattlesnake, Crotalus cerastes', 'buckeye, horse chestnut, conker', 'howler monkey, howler']