That would be it, yes. Though the examples that stick out in my mind as inconsistencies seem to be odd even by the standards of the strangest natives...

Are you joking? The only ones who still use the Imperial system are you Americans, and this place seems to resemble regions of Japan more than anything else. Perhaps you'd be more comfortable in that Unova place that keeps coming up in my research...?

And no, thankfully. Not Pidgey, at least-its evolution Pidgeot seems large enough that it would be doable.