I was walking around for a while before I spotted her; I surprised me and she couldn't be bothered to mind me much. I kept my distance and skedaddled, and the property owner put up a shelter to protect the eggs. Evidently only 15% or so of nests escape predation, even then, only a 1 in 20 or so nestlings survive to adulthood. We're hoping to see the hatch-out!