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Endangered species - Wikipedia
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Fighting Extinction: Researching and Designing Solutions to Protect Endangered Species - The New York Times
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10 Easy Things You Can Do to Save Endangered Species - Endangered Species Coalition
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1 Million Animal And Plant Species Are At Risk Of Extinction, U.N. Report Says : NPR
Extinction - Wikipedia
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Endangered species in the Philippines - causes and conservation - FutureLearn
10 of the Most Famous Endangered Species | Britannica
Endangered Animals
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