What I suggest you do now is go and look for Bill Bryson's excellent book, "A Walk In The Woods" Go on do it now, or one of his others. The man's a star.
Anyway, there are many other examples of fictional moose, what about Bullwinkle, from the Rocky and Bullwinkle show. That was the cartoonists taking advantage of the "all Moose are funny principle" For further reading go to the next page.