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Thank you the dinosaurs for this colorful bird dragon | ap

Picture a bird egg: Maybe it's a cocoa-brown of a free chicken. Or a robin creamy blue-green. If it's a…

Picture a bird egg: Maybe it’s a cocoa-brown of a free chicken. Or a robin creamy blue-green. If it’s a quail egg, it has ink fragments. These colors and variations, according to a new study published Wednesday in the journal Nature, have a common origin. The eggshell’s color, with all its glory, is a feature …

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