the larger snakes Ian,
I understand nature, and know things must be killed, for others to eat.
As long as I dont have to see it or, look at a small mice or rats that has been killed for that reason.
I know, it sounds stupid,
but I have had both these animals as pets, during my lifetime, and still own a few rodents.
I have a few larger lizards, but thankfully they can eat chopped meat, salads and insects. I also avoid lizards such as monitors, which are totally awesome, but there needs run into the furry feeder catagories aslo, 
Thanks for the conversation, and small snake recommendations, I will look them up. Like I say the green rough snakes have my attention, I like them not only because they eat insects, but also look simular(not the face) to vine snakes, which I admire.
Funny the way I am I suppose, I even have a large and still growing african bullfrog, whos favorite pastime is FOOD.
I give him cooked chicken, nice big nightcrawlers, larger insects, but no rodents, small lizards, or FRIENDS of mine, 
many lizard friends
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Eve / PHEve