Conservationist Kuki Gallmann speaks at the launch of World Migratory Bird Day, in April 2006. Gallmann was shot in the stomach Sunday while surveying arson damage to her property. TONY KARUMBA/AFP/Getty Images hide caption

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Cattle owned by Fulani herdsmen graze in a field outside Kaduna, northwest Nigeria in February 2017. Stefan Heunis/AFP/Getty Images hide caption

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Clashes Over Grazing Land In Nigeria Threaten Nomadic Herding

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Armed Conflicts Exacerbate Famine In South Sudan, Nigeria, Somalia And Yemen

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Joseph Kony, leader of the Lord's Resistance Army, answers journalists' questions at Ri-Kwamba, in southern Sudan, in 2006. Stuart Price/AFP/Getty Images hide caption

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Three giraffes and a white rhino laze in the Serengeti National Park in Tanzania in 2012. The global giraffe population has dropped sharply in recent decades, prompting wildlife groups to urge the giraffe's addition to the endangered species list. Barbara Hollweg/IFAW hide caption

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Helmeted Chadian and other African police commandos, armed with dummy rifles hunt down terrorist suspects who've taken hostages in the building, during a US military led Flintlock 2017 law enforcement exercise in Ndjamena Chad, 15 March 2017. Ofeibea Quist-Arcton/NPR hide caption

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UNICEF Official Says Children Used By Boko Haram Still Have A Chance

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Dr. Thumbi Mwangi, an infectious disease epidemiologist from Kenya, at Howard Theatre in Washington, DC, on Nov. 29, 2016. In the U.S., Mwangi worked on a vaccine for cows that aimed to combat the same disease he saw the bovine battle in Kenya as a kid. Akash Ghai/for NPR hide caption

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Immense Intolerance Felt Toward Christians In Egypt, Coptic Bishop Says

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Boko Haram Still Holds Many Girls Kidnapped 3 Years Ago

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Morning News Brief: North Korea Anniversary, Turkey Referendum

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People gather at the site of a suicide bomb attack at a market in June 2015 in Maiduguri, Nigeria, where two girls blew themselves up near a crowded mosque. Jossy Ola/AP hide caption

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