Before buying a birdbath, I set a water-filled plant tray on the ground for a few weeks to see if the birds would come. They did. So I took the plunge and bought a faux copper (colored plastic) birdbath for the yard. The bluebirds seem to approve. Canon 1D Mark II, 70-200 lens set at 104mm, Camtraptions PIR trigger, ISO 400, f/11, 1/320.