I Got Plenty of Mutton

A wolf, deprived of meat by war rationing and starving, sees an article in the newspaper about a sheepdog leaving his flock to join the army and thinks it will be easy pickings. However, if he had read the rest of the article first, he would have known that the flock is now guarded by the ram, "Killer Diller," a formidable foe. (imdb)