The entrance exit was blocked by my female and he got stuck outside and could not get past her and yes succumbed to heat from direct sun. I fixed the problem and had no further problems.

I check the weather in the tropics (on line) from the areas in which my snakes are from and if you did the same you would be surprised. There are many days at 92F so I am not sure which tropics you are talking about. I also have noticed that the racer complex has a problem with artificial light but not the problem you are thinking of. I have also been to the tropics and took my temp gun and a snake in direct sun has options well over 120F just like here.

The flicker fusion rate is 60Hz. A light bulb actually has a strobe. Animals with fast reflexes see a flashing light rather than a constant light. The human brain rarely sees the strobe while other animals will just see a flashing light such as chickens in chicken houses that need skylights to adjust for this. My falcons also need compensation for this.

I have noticed that all my imported snakes will not bask under a light bulb while some of my captive raised snakes will. When I offered my female wild caught Unicolor the natural basking option she would bask at 90F very often with a 76F as her inside option but again will bask at 90F! She NEVER basks under her artificial light so go figure. Once she is warmed up she will come inside but will bask three hours at a time.

Sometimes the herp community gets stuck in a rut as far as creative thinking. By observing snakes in a wild setting it is easier to make adjustments to accommodate them. A few creative thinkers have made progress breeding eastern indigo but they had to break from tradition.
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"Life without risk is to merely exist."

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