Not easy eating green: Herbivores most at extinction risk

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FILE - In this Friday, Aug. 23, 2019, file photo, female northern white rhinos Fatu, right, and Najin, left, the last two northern white rhinos on the planet, are fed some carrots by a ranger in their enclosure at Ol Pejeta Conservancy, in Kenya. Although scientists have long focused on the worlds predators, a massive new study finds that herbivores, critters that eat plants, are the animals most at risk of extinction. A bit more than one in four species of herbivores are considered threatened, endangered or vulnerable by the International Union for Conservation of Nature, the worlds scientific authority on extinction risk, according to a study published Wednesday, Aug. 5, 2020, in the journal Science Advances. (AP Photo/Ben Curtis, File)