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Yes. I agree, but if try to take pictures of them in nature I suppose it would be a little more difficult, because you can't feed them there, but may be if you know exactly how kind of lizards you want to take shots and search on internet or from some book for more information about them, then may be you would know on where places to wait them and when :) But this is only my guess. I am not sure if I am wrong :)

When photographing nature, I tend to frequent one area so that all the creatures there become used to my presence and I spend lots of time observing quietly. Then the animals show themselves and you can get pictures