Slightly off trail, concerned about hikers with curious or just happy-go-lucky dog having a serious rattler encounter. (:-(
According to Colorado Parks & Wildlife, the Desert Massasauga Sistrurus catenatus edwardsii is the only Massasauga in the state and by the description, the only one I have ever seen. However I claim to be no expert.
County record - TNHC #92909
Month and year are accurate; exact date approximate