know your eggs like an eggspert shell & yolk color shell color varies by breed and yolk color by hen's diet shell colors* brown white laid by hens with red feathers laid by hens with white feathers hen feather colors and features vary by breed yolk colors medium-yellow yolks lighter-yellow yolks hens are often hens are often fed wheat fed mashes containing yellow can enhance yolk color corn or alfalfa when added to light-colored feeds pasture-raised range how much space a hen has to roam can widely indicating range type cage-free free-range feed types look for the label indicating feed type on the egg carton pasture omega-3 | antibiotic enriched free grass fed usda organic raised more modified more natural shaws