I need to know what to do about Isis. I'm going to turn the lights down to the 4-hour mark (the final lighting adjustment for brumation) this Sunday, as per Doug Dix's caresheet for uro brumation, but Isis doesn't seem to want to brumate. Ra has been absolutely no problem, he did his "business" one last time (it was a fraction of the volume he normally passes at one time) and hasn't eaten anything for about 3 weeks now. He has slowed right now and has made himself comfortable in his burrow to sleep the winter away. Isis, on the other hand, has not slowed down very much at all and still wants to eat. Today, I caught her trying to eat the fake leaves off a log toy, she has never done this before. I gave her a good soak today to help ward off potential dehydration. Will she eventually slow down and brumate like Ra or can she refuse to brumate and force me to place her in a separate tank until Spring?
What should I do?
Thanks for the help, all 
Here's a pic of Isis after her bath (I dried her off with the blowdryer, she loves it
). Her colours are phenomenal (the pic doesn't do her justice), you can even see the green stripes she has along with the yellow.
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1.1 Mali Uromastyx (Ra and Isis)

