Yep or a Staffordshire Terrier. Ours ate an entire extended family of chipmunks a few years back. I know because she gifted me the remains of several 🤮
Try posting in your state thread.
I certainly think there’s nothing wrong with asking that he not go in the pot (I did the same thing when I rehomed my boy), but understand the new owners can do as they wish with him.
By my calculations 8X8 would be big enough for 16 birds (though it would be tight), OP mentions 6 birds.
Plenty big enough, I would also suggest an 8X8 design).