DNA analysis of soil from paw prints could help save Sumatra’s tigers
Editor’s Note: Netflix’s “Tiger King” exposed how tigers were being abused and exploited. This Sunday at 10 p.m. ET, “This Is Life with Lisa Ling” meets some of the people trying to shut it down. Dr. Mrinalini Watsa, a researcher at San Diego Zoo in California, scoops up soil from a fresh paw print made by Rakan, a 4-year-old male Sumatran tiger who lives at the zoo, and secures it in a specimen jar.
Tiger counts are rarely based on direct sightings; instead, population numbers are inferred from tracks or pugmarks, or how often tigers are detected by hidden cameras. “It’s a cautious optimism. Tiger numbers are better known than they’ve ever been. More than a rebound, I’d say it’s a much more accurate estimate,” said Abishek Harihar, the deputy director of the tiger program at big cat conservation group Panthera.
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