In biology, moulting (or molting, also known as shedding or for some species, ecdysis) signifies the manner in which an animal routinely casts off a part of its body (often but not always an outer layer or covering), either at specific times of year, or at specific points in its life-cycle. Molting can involve the epidermis (skin), hair or fur, or other external layer. In some species, other body parts may be shed, for example, wings in some insects. Examples include old feathers in birds, ol… (More on Moult)