Birds lay colorful eggs. You do the math. But really though: A study from last year found that oviraptors, a dinosaur of the late Cretaceous period, laid blue-green eggs, containing the same ...

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 ...

Crocodiles and turtles bury their white eggs, which means they don't need to be camouflaged. But many birds have colored eggshells that camouflage their eggs in nests that are exposed to the ...

Dinosaurs May Have Given Birds Their Colorful, Speckled Eggs ... our feathered friends’ closest living relatives, lay eggs that are completely white. But as James Gorman of the ...

From baby blue to black-speckled beige, bird eggs are as varied as the species that lay them. Why bird eggs come in so many colors is still something of a mystery, but new research identifies a reason ...

Brighter, more colorful eggs can be a sign of good health and diet for the mother bird. Robins aren't the only layers of blue eggs. Eastern bluebirds may lay light blue or whitish eggs.

Some birds lay colorful or speckled eggs, and others lay eggs with plain white shells. Keep scrolling to see how 10 different birds build their homes and nest their eggs.

There are a few pigments that give bird eggs a blue-green color, called protoporphyrin and biliverdin. An international team of paleontologists from the United States and Germany analyzed several ...

Shannin Rettig enjoys raising all types of chickens. She especially loves seeing the different-colored eggs they produce. Along with the standard white and brown, her heritage birds lay dark brown ...

Out of the nine birds, eight have formed pairs, per ZSL and TNC. All four pairs have since built nests, and three have laid eggs in the wild for the first time since their species' extinction.

Despite the colorful variety of bird eggs found in nature, just two pigments contribute to the majority of their visual appearance. Tinamous however, have an additional trick: They lay color ...