科学与环境
121-million-year-old fossils suggest Longipteryx had no tail feathers
来源: Phys.org - latest science and technology news stories · 发布于
Around 121 million years ago, somewhere in modern northeastern China, an early bird took to the skies. If you drew its silhouette, you'd notice something was missing. Unlike any bird alive today, it had no tail feathers.
Around 121 million years ago, somewhere in modern northeastern China, an early bird took to the skies. If you drew its silhouette, you'd notice something was missing. Unlike any bird alive today, it had no tail feathers.
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