Can I remove the egg from nest box because it's been 29 days after laying eggsthe eggs are probably dead now they hatch every other day so if they were all the same clutchthen its likely they died in shell have you candled them ? , the eggs need humidity to hatch the tiels normally soaks her self just before hatching i provide a large shallow dish she baths in then returns to nest to sit creating the humidity for hatching otherwisw they can struggle to get out