Tracking: The Six Disciplines of Tracking: Primitive Skills: This is a solid introduction to the various aspects of tracking from Maine Primitive Skills School.
Animal Tracking from Prints: Woodland TV: This video focuses identifying animal tracks from prints using toe numbers and placement, gait and size.
Wildlife Tracking Basics: Fil T. Starts with literally, how to look at a landscape. Includes print identification and sign tracking.
Tracking Humans vs Tracking for Hunting: Street Smart Self Protection and Weapons: Great video which focuses less on tracks themselves but on sign tracking humans. Gives good exercises on aging and figuring out human sign.:
Animal Tracking from Scat: Woodland TV: Yep, pretty much what it says. Shows some in nature and has examples. Also speaks to why types of animals have the various types of scat.