Kristin Davis

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Kristin says humans are usually to blame when an elephant is orphaned. "The number one reason right now is poaching. Even though ivory is illegal to sell, there is a very high-priced black market for it," she says. "Number two would be human encroachment onto their normal territory because there's just too many people. They need hundreds and hundreds of miles to roam and eat and drink their water."

Drought—believed to be caused by global warming—may also contribute to the problem. "When we found Chaimu, it was the worst drought that any of the oldest Masai—which are the oldest people you find in Kenya—could ever remember," Kristin says.

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