All over the world, in all kinds of habitats, mothers bring forth new life. For many animals, such as reptiles and amphibians, mothering responsibilities end before the babies are even born. But mammal babies need their mothers--they need to be nurtured and nourished long enough to learn how to survive on their own.All mammal mothers feed, protect, and teach their young, even though these tasks can challenge their own needs for survival. But a mammal baby’s journey to maturity vari...