
Some animals molt, shedding an old layer of skin, fur, or feathers so a new one can grow. Snakes and lizards shed their scaly skins in one piece. Birds molt to grow new flight feathers, while mammals molt to grow warmer coats for winter. Beginning readers hone their phonics skills...

Some animals molt, shedding an old layer of skin, fur, or feathers so a new one can grow. Snakes and lizards shed their scaly skins in one piece. Birds molt to grow new flight feathers, while mammals molt to grow warmer coats for winter. Beginning readers hone their phonics skills...