Reply To: 4 eggs hatched, 1 did not- now what? Home › Forums › Bluebird Chatter › 4 eggs hatched, 1 did not- now what? › Reply To: 4 eggs hatched, 1 did not- now what? May 3, 2016 at 9:28 pm #1720 tamseaModerator You know not to check them after day 12, right? Tammy