ocr: NO - NEST NE to ESTS TAKE TIME can and expose energ gy parent build and birds to danger. So a few birds make no nest at all. Some species, such as terns and nightjars, lay their eggs directly on the ground. Others lay them on cliff ledges, or even on the stumps of broken branches. COMMON MURRE This seabird lays a single 8 on a rocky ledge. The e is sharply pointed, so that it rolls in a circe, rather than offthe diff.