Birds Got Their Colorful, Speckled Eggs From Dinosaurs
A new study found that birds' dinosaur relatives had eggs with traces of two pigments—a red-brown one and a blue-green one. In today's birds that might produce a color such as robin's egg blue.
Đọc thêm tại NPR
at November 1, 2018 at 01:40AM
Health & Science
Thứ Năm, 1 tháng 11, 2018
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