Thanks for the compliments, everyone. I left this one all natural, as this was the first lizard I have shot in about a year that wasn't tied down; i.e., I didn't have a collecting permit to capture this species. So, as I sprawled out on the ground (getting numerous ticks in the process) with my "lizard lens (300mm f4L IS), a friend of mine moved around behind me to elicit the lizard to change positions. For some reason this worked with this guy. Typically they just run away. Collared lizards are pretty fast and will run on only their hind legs. I always wanted to get a shot of that, but I have never been successful to this date.
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Canon Eos 1DIII, Canon Eos 20D, Canon Eos T3i, Canon Eos M, Canon EF 400mm f5.6L, Canon EF 300mm f4L IS, Canon EF 70-200 f2.8L IS II, Canon EF 180mm f3.5L macro, EF Canon 24-70mm f2.8L, Canon EFs 60mm f2.8, Canon EF 50mm f1.4, Canon EF 50mm f2.5 compact macro, Canon EF 40mm f2.8, Canon EF-M 22mm f2, Canon 430EX II