ナショナルジオグラフィックのインスタグラム(natgeo) - 10月17日 15時39分

Photo by @paoloverzone / More than 100 million years separate the early bird Hesperornis from the dinosaur Coelophysis, seen here in the hands of Yale professor Bhart-Anjan Bhullar. He says both creatures are characters in the same epic story. In his research, Bhullar has shown that skulls of adult birds retain traits seen in the bones of extinct juvenile dinosaurs. Follow @paoloverzone for more photos and stories.

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