Mowatt's adventures in the Canadian wilderness had far reaching effects, in fact in the early 1960's MGM purchased and later produced a movie based upon the book and Mowatt's personal journal.

Never Cry Wolf was not a huge commercial success but immediatly gained a respectable cult following and remains a staple film for naturalists.

ONe of the more interesting events depicted in te movie came about as Mowatt decided to prove that  large carnivorous anumal could exist solely off the norther tundra mouse. Disposing of his supplies, for the next six weeks Mowatt caught d consumed a huge number of mice. The result of the experiment proved that the mouse contributed greatly to the wolves diet ad couldsustain in great number a large carnivor.