Cats moving in a herd! It was most unfeline behavior. Nell followed their 
track for some time, hoping to divine the cause of this prodigy. After a few 
miles the road widened into an abandoned camp freckled with the remains of 
innumerable small campfires. Nell combed this area for more clues, not without 
success: she found many mouse droppings here, and mouse footprints around the 
fires. The pattern of footprints made it clear that the cats had been 
concentrated in a few small areas, while the mice had apparently had the run of 
the place.