Pterosaurs 101 | National Geographic

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Pterosaurs were the first vertebrates to take to the skies. Learn about the anatomical features that made their flight possible, how large some of these creatures grew, and which species was named after a vampire legend.

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《国家地理》

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太空

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太空

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Source: 《国家地理》

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Watch: 蜘蛛 Battles 蝎, 蝎子 Twice Its Size | National Geographic

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Watch a large 蝎, 蝎子 struggle to escape from the sticky web of a smaller cellar spider.

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Source: national geograhic

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National Geographic 照片

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Amazing Nature 壁纸

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Nature Full HD 壁纸

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Amazing Nature 壁纸

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National Geographic 照片

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Around the World / Amazing Places

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Amazing Nature 壁纸

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Amazing Nature 壁纸

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