Board Thread:Suggestions forum/@comment-69.242.54.218-20160406010909/@comment-26236093-20160407210135

Legoarmy505 wrote: Wicked bears are canon,

Indeed, you are correct and I have the exact quote you are referring to in the text...

"So here you still are! Not eaten up by Wargs or Goblins or wicked bears..."

- The Hobbit

However, this reference is quite small and is never expanded upon (Such as many others in ate earlier writings of Tolkien) and therefore may perhaps not be the best basis for a proposal. However generally, aside from but a few points your suggestion on different variants of Bears is excellent.