Please accept type-ins for Cougar. The Wikipedia page lists these in the first sentence. The cougar , also called puma, mountain lion, catamount and panther
An interesting quiz. Though I have to say, the 'bear' situation is a bit confusing - I guessed the general 'bear' and really didn't expect the 'polar bear' to be a separate answer option
I think there should be a caveat that you are including extinct species.
Still a good quiz though!