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Innovations

Washington tigers in the mood for love

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Jan. 16 - Washington's Smithsonian National Zoo is playing Cupid to two Sumatran tigers in hopes they will produce offspring to offset falling numbers in the wild. The World Wildlife Fund estimates that only 400 tigers survive in the forests of Sumatra, their habitat decimated by deforestation and poaching. The zoo says a captive population will help ensure the species' long-term survival. Rob Muir has more.

Innovations

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