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Tuesday, November 10, 2009 |
Tuesday, November 10, 2009 |
Photo: Captive Tigers Harbor Rare "Purebred" GenesA new study has found that many of the 15,000 to 20,000 tigers in zoos, farms, circuses, and private households could be "purebreds" from one of the five remaining tiger subspecies—a potential boon for captive breeding programs. Photograph by Michael Nichols/NGS
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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