Hm, well... that is true, yes. The weaker ones are considerably weaker at disguising themselves and trend towards conjuring illusions rather than actual shapeshifting.

[...though, hmmm... as he ponders, Celestine turns her attention from the lemon to her father and waves the fruit around, burbling a bit as she does so. Jasper cracks a smile, because heck.]

An astute observation, my dear. Given the recent trends, I imagine the weaker ones would not be as common as the stronger, more dangerous ones.