Well, these are actually very different animals from completely different parts of the world. Corn snakes are members of the North American rat snake family in genus pantherophis. read more
Ball pythons typically eat small rats as adults, as it would take too many mice to make a decent meal for one - while the same length, they are much bulkier snakes than corn snakes. Both species eat once a week. read more
King snake, rat snake and corn snake care is all pretty much the same. Different personalities, but the same general care. Ball pythons are very very different in terms of care. read more
Ball pythons are known to go off food from time to time and first time keepers stress out thinking that their ball python is going to die because it has temporarily stopped eating. Fasting is a part of natural ball python behavior. They are very docile and hardy snakes. Corn snakes are also docile, hardy and easy to care for. read more
Well, the others have already brought up a lot of good points, but I'll see what I can add since I own both. My first snake was a corn and I still have her 4 years later. read more