I have a very young flock of 8 hens. The oldest is one year. The rest are either fairly new layers or not laying yet. Yesterday I found 3 small eggs that all looked like they were from the same hen (color, size). One was in the run. The other two were just outside the run. I have 5 nest boxes. I monitor the nest boxes and clean daily if I have to. The nesting material is straw with a tablespoon of nest box herbs added. Is this is a behavior that is problematic? Will it change as the flock gets older? Anything more I should be doing?