The types of reported Bigfoot activity.

1. Class A: The actual sighting of an unknown primate.

2. Class B: Physical Evidence: Footprint, Hair Sample, Blood Sample, Fecies, Basically something that can be seen and touched.

3. Class C: Vocalizations as in unusual sounds that are believed to be from a Bigfoot.

4. Class D: Foul Smells in the forest believed to be the stench of a Bigfoot.

5. Class E: Tree Structures and Formations.