I live Ontario Canada and it was my understanding that you could keep native species provided they are not endangered. for example I know that spotted turtles, black rats, hognose, eastern massasauga ect are permitted it was my understanding that species like garders and fox snakes were permitted. I know at least up until a few years ago that an Ontario fishing licence stated that the bearer could posses up to 2 common snapping turtles "for personal use". I’m sure the intent for the snappers be taken as food but an old friend of mine and former O.H.S president used this "loop hole" to keep to snappers as pets for years with no problems that I know of. as far as banned species most non indigenous vegetarian insects like African land snails are prohibited by agriculture Canada while things like venomous animals, crocks or large constrictors are regulated by municipal by laws. for example here in Toronto where I live you are not allowed anything "hot", no snakes that reach an adult size greater than 3 meters (about 9'), lizards bigger than 2 meters (about6'), croc's and an assortment of other animals ranging from domestic live stock to big cats, bears, elephants, ect ect. one species I’m actually curios about is the timber rattlesnake, although their range does include southern Ontario most people consider it an extirpated species in Ontario as the last sighting that I’m aware of was in the 70's. So if you are not allowed to keep any indigenous species I wonder if this species would be covered.