As animals move across the desert, they leave tracks, diggings and droppings. For skilled trackers, reading these signs is like watching a movie. A story of who was there and what they were doing ...

A squirrel huddles up amid the cold of winter. Squirrel tracks are abundant in the snow that's fallen this year, but spring ...

Ben also has a large collection of real desert animal tracks that he pulls out of a box. The tracks are cast in plaster, and with a large map he spreads out nearby, you can clearly identify each ...