This young fox is on the hunt, searching for prey deep under the snow. How do you hunt a creature you cannot see? "Born in the Rockies: Growing Up" airs Wednesday, November 17th at 8/7c on PBS. [Video transcript: Although he may lack experience, this fox has all the tools he needs. Foxes have incredible hearing and can detect prey under more than three feet of snow. The tiniest movement can set the fox in motion. He's located the vole and with a pounce, he strikes. A miss. This technique is call