Well, here's my evidence for no intelligence, and I also realize intelligence varies widely with individuals. After having my WC snake for 3 weeks and doing no harm to him, and when I pick him up my hand approaches him slowly in a non-threatening manner, he still does not realize I am not there to hurt him. Therefore, he has no ability to learn (so far).

That does not mean I will not treat him kindly. Any animal deserves respect, and I give much more respect to nature than the vast majority of people around me. (Note I said "around me", which does not include the people on this forum.)

We can start another thread on reptile intelligence if you want. I did not intend to hijack this thread.