Do Eggs Get Heavier Before They Hatch? Do eggs get heavier before they hatch? The initial high correlation between egg weight and chick weight decreased markedly during post-hatching growth, becoming insignificant 5 d after hatching. At 18 d of age, however, chicks from eggs of older hens tended to be heavier than those from younger
What Egg Has The Hardest Shell? What egg has the hardest shell? But while many birds lay fragile eggs, other species have evolved distinctly tougher ones. They have had to, because they live in harsh or even toxic environments. The champion of tough eggs may well be a tiny crustacean called Eucypris virens. Are ostrich
Do Birds Abandon Eggs If Touched? Do birds abandon eggs if touched? Photo by Patti Harper. Q: If a person touches a bird’s nest, a baby bird or another baby animal, will that cause the adults to abandon their young because of human scent? A: This is essentially a myth, but one that no doubt