The only problem is that it might like them so much that chicks is all it will eat. If you have a readily available supply of them year round I doubt it would be a problem. I've been told poultry can make their waste more smelly. In the wild cornsnakes eat about anything they can catch, I've even seem them eat toads. Of coarse that doesn't mean anything they catch is good for them! But I would think that quail chicks are a balanced food source, maybe lower in fat than mice. I've gotten none feeders to eat by dipping a pinkie in chicken broth so they do like the taste of poultry. At least they like the taste of it in soup lol.