platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus
['American alligator, Alligator mississipiensis', 'submarine, pigboat, sub, U-boat', 'tench, Tinca tinca', 'fiddler crab', 'colobus, colobus monkey', 'vine snake', 'crayfish, crawfish, crawdad, crawdaddy']