Amazing Moms of the Animal Kingdom

African Elephant
The largest land mammal also has the longest pregnancy among mammals, averaging a staggering 22 months. Elephants usually give birth to one calf, who will rely on the mother's milk for four to six years. One would think that years of devotion to her calf and the protection of the herd would lead to a healthy adult elephant, but in reality, very few calves live to adulthood.

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