A Desert Spiny was mislabeled as a collared lizard in the tucson.com series. Oops.
|Photo by Gene Spesard 6/26/2015
Yes, there is a collar, but this is definitely a Desert Spiny lizard.
|Photo by Ned Harris
The other spiny in the canyon is Clark's Spiny. Note that both spiny lizards have dragon-like scales.
The collared lizard in the canyon is the Eastern Collared lizard.