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Runa, an African giant pouched rat, eats a treat of squash after searching and finding a pouch of chamomile tea during a presentation at the San Diego Zoo Thursday, April 13, 2023, in San Diego. Runa appears weekly in demonstrations at the zoo to show how her keen sense of smell can be used to find everything from illegal shipments of wildlife to landmines. She is one of a handful of so-called rat ambassadors showing off the virtues of rats at three U.S. zoos. (Photo by Gregory Bull/AP Photo)
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