This week's vote question is a real head scratcher and comes courtesy of the cartoon Phineas and Ferb. No cheating and looking this up. What is the plural of platypus?
Platypi was the clear winner with 50% of the votes selected from the following:
OK, so as I understand it, the plural is platypuses. It's also acceptable to just say platypus. And indeed as the popular vote, platypi can also be used but is rare.