Excellent title for the thread, Del! Though "soon-to-be" might be a bit of a stretch. Given the pace of evolution, I would say that by the time the crows take over, even the Statue of Liberty may be long gone.
But that's sort of how it worked for humans, right? We started using crudely fashioned tools, which let us kill larger animals, which let us consume more protein, which both nourished and necessitated bigger brains, and the next thing you know we have cars and planes and iPhone apps.