Columbia Blacktails arethe only deerhere is Western WA. Stalking blacktail by tracking them,really isn't viable. It is extremely difficult to track them over long distances and very unlikely you would get close enough to see them before they bust. Determining the age of tracks can be useful in identifying travel patterns, but aging tracks is extremely difficult because of the wide variance in ground (clay vs. rock vs. gravel), underbrush, weather and other factors that influence how long the tracks remain visible.