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Topic - Florida Museum Of Natural History

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In this artist rendering provided by the Florida Museum of Natural History, illustration by Danielle Byerley shows a comparison of a Sifrhippus sandrae, right, with a modern Morgan horse that stands about 5 feet tall at the shoulder and weighs about 1,000 pounds. Global warming often leads to global shrinking for mammals, like us, a new study suggests. At least twice before in Earth’s history, when carbon dioxide levels soared and temperatures spiked, mammals shriveled in a bit in size, including our earliest primate ancestor, according to a new study based on fossil teeth found in Wyoming. And the study’s chief author said it could be a glimpse of a smaller mammal future under even faster man-made warning that’s going on now. (Florida Museum of Natural History, illustration by Danielle Byerley via AP)