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Life

Did the air belong to mammals first?

13 December 2006

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

An artist’s impression of the gliding mammal, swooping in for lunch

(Image: Chuang Zhao and Lida Xing)

Time for some mammalian bragging. It appears, following the discovery of a unique fossil in Inner Mongolia, China, that mammals might have taken to the air before birds.

The fossil contains the remains of a small, squirrel-like mammal that was able to glide with the help of a fur-covered membrane like those of modern-day flying squirrels (pictured). At 125 million years old, the fossil is 70 million years older than the most ancient existing fossil of a flying mammal, and roughly the same…

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