Yes to both
BALL PYTHONS: History, Natural History, Care & Breeding, Barker and Barker
A very good book one of the best the science background is very deep and well written, and it is well referanced.
In terms of night vision and how their vision works it is quite hard for us to relate the information from the heat pits is processed by the optic never (heat being IR radiation) we can see into the near ir ranges but they can see very deep into IR and very accurately as well, what that means is they always have light. A che is just like a light bulb to them as the see heat. So warmed substrate is glowing much like a ir camera sees heat so do Royals. So what is dark to you is not dark to them.
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