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10 odd ways we protect endangered species

tiger smells perfumed heart

Photo: ZUMA Press

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Designer perfume

Zookeepers have been using perfumes and other strong scents for years to help spice up the love lives of Sumatran tigers and other endangered big cats. The smells increase the amount of time cats explore their territory and encourage social interaction — namely, mating.

What’s the cats’ favorite perfume? Calvin Klein’s Obsession has proved to be an exciting scent for a variety of big cats.