Dinosaurs laid colorful eggs. Birds lay colorful eggs. You do the math. But really though: A study from last year found that oviraptors, a dinosaur of the ...

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.

Oct 26, 2017 — Why are bird eggs different colors? According to Dr. Curt Stager most of them start out white. Colors come later in development. Glands in the oviduct deposit color onto the eggs ...

Why bird eggs come in so many colors is still something of a mystery, but new research identifies a reason for a common trend among birds, especially those up north: their dark-colored eggs. Previous ...

The pigments were even found at the same depths from the shell’s surface as the eggs of modern birds. “We have, very likely, a single evolutionary origin of egg color,” Wiemann tells NPR’s ...

Dinosaurs put all colored birds' eggs in one basket, evolutionarily speaking. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2018 / 10 / 181031141548.htm ...

Of the approximately 10,000 species of birds in the world, the researchers examined the eggs of 1,400 species, representing each of the 35 major bird groups, called orders.

While you might be most familiar with “robin’s egg blue”, many species of birds lay blue-colored eggs. Why might this have evolved? Although scientists can’t go back in time to observe the emergence ...