I went to collect eggs this morning from our flock of 3hens and a rooster. We have a barred rock, golden laced wyandotte and bantam white legbar. They share a large nesting box and usually lay really well and get along great. Today the legbar egg and barred rock eggs were smashed and the Wyandotte egg was ok. I heard a hen cackling this morning early but it sounded like an "egg song". Any ideas??