Fell in the public domain because it was made for the American government and all films made for or by the government of the U.S.A. are in the public domain. From IMDB: Donald Duck deals with income taxes and their benefit to the American war effort in this inspirational documentary short animated film.
When a park ranger tells two bear cubs about Christmas and Santa Claus, they want to skip hibernation to celebrate, but their mother doesn't believe in Saint Nick and wants them to sleep.
