Fox Dives Headfirst Into Snow | North America

A red fox pinpoints field mice buried deep beneath the snow, using his sensitive hearing and the magnetic field of the North Pole to plot his trajectory. | For more North America, visit http://dsc.discovery.com/tv-shows/north-america/#mkcpgn=ytdsc1Subscribe to Discovery! | http://www.youtube.com/subscription_center?add_user=discoverynetworksWatch full episodes of North America! | http://www.youtube.com/show/northamerica