Wild Fauna?

IIRC, the WF species have to be native to the area/region the game takes place in (or possibly native to North America in general? Someone can correct me if I'm wrong!), or have a logical reason for being in TW if they are not native. An example of the latter option would be an [escaped pet] macaw making its way around the area. Obviously, being that they are not native and therefore not naturally equipped to handle the different climate, they may not fare well in-game—which can mean some stellar plotting opportunities.