Mark,

You got me curious about the temps. Though our high temps are over 110 most of this week, I really don't get too concerned for any of the iguanas. Though my cages are not as well planted as Kelly's & Bob's (they eat everything that grows)the cages are shaded by mosquite trees which allow lizards plenty of access to shade or sun.

I took my PocketTemp gun outside when temp in the shade was 106. The ground temp was typically about 110-115 in shade areas for cyclura & ctenosauras per my PocketTemp gun/pen. My chuck pen the ground temp ranged from 150-160 degrees (this is in the sun as shade is only under rocks or burrows. I'm sure when temps get higher these temps will exceed 200 on the ground. I did my best to check iguana temps, the pectinata were about 114 degrees and the melanosterna about the same. I don't know how accurate my readings are, but I'm sure they are close. None of the lizards are out basking in these temps, though with food they came out quickly.

One quinquecarinata was out in the shade as were rhino iguanas, but everything else was in hide boxes, under rocks or in burrows. If there was a moist area (potted plant or area soaked with the hose (in the shade) the lizards prefer these areas.

I may try and go out in the heat of the day when temps are over 110 and check temps again.

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