Nursing a newborn is no "small" feat for the whale, months in the whose calf emerges, after 10 to 12 womb, about a third the mother's length (that's a 30-foot baby for the Blue whale). gland while thThe mother squirts milk into the newborn's mouth using muscles around the mammary e baby holds tight to a nipple (yes, whales have them). At nearly 50 percent fat, whale milk has around 10 times the fat content of human milk, which helps calves achieve some serious growth spurts — as much as 200 pounds per day.