Hi Aaron,
I have bred CB cals, wild cals, and wild x CB cals.

In all cases where I kept the female and males together over Winter, there were no instances of female attacking male.

In cases where I kept female and male separate at all times, then introduced them when the female was probably not yet ovulating, there were some instances of female attacking male.

In cases where I kept female and male separate, then introduced them when the female was definitely ovulating, I don't believe there were any instances of female attacking male. Can't remember any.

A few times, I have kept siblings together, as hatchlings raised to sub-adults. No cannibalism in those instances. (not saying it could never happen..)

And not every individual behaves exactly the same in that regard. Some individuals are inherently more forgiving to strangers, and some not at all.

The advice you have received from others is good. Put simply, to reduce the chance cannibalism, either keep them together over Winter, or else make sure the female is ovulating before introducing them.

I am experimenting with cornsnakes now. I cannot get them to quibble like Cal kings. Even when introducing a stranger, they seem to get along within a day. I guess that is what makes corns so easy in captivity. They do not have the intense territory-protecting behavior that Cal kings possess. I have played alot with Sinalon milks. They too are not very war-like with territory, and in very short time strangers are happily cohabitating.

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