marmoset
['African grey, African gray, Psittacus erithacus', 'monitor', 'black-footed ferret, ferret, Mustela nigripes', 'bee eater', 'rhinoceros beetle', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'acorn']