A SIMPLE KEY:

A. Tracks grouped like those shown at the right:

AA. Tracks not like those at the right: B

    B. Track of a hoof, no toes:

    BB. Track showing toes: C

C. Tracks bounding (clustered in widely separated groups -- made by long, slender animals): 

CC. Tracks lumbering (made by heavy animals): D

   D. One foot with four toes, the middle two forming a conspicuous V (only Southeastern and south-central states):

   DD. Not as above: E

E. Toes 4: 

Ee. Toes 5: