Look at photos to help you identify bird eggs from 10 different species. advertisement. ... Learn more about robin nests and eggs. Yellow Warbler Eggs. Clutch size: 4 to 5 eggs.

The eggshells of modern birds exhibit a spectacular array of rainbow hues—from butter yellow to blood red, palest aqua to darkest cyan. Some are spotted or speckled; others are blemish-free. How ...

The software analyzed a total of 13,049 pictures containing 49,175 individual bird eggs. These eggs represented 1,400 different species, including members of every bird family.

It was nature’s version of an Easter egg hunt. Dr. Claire Spottiswoode, a professor at the University of Cape Town who studies avian (bird) brood parasites, was working in Zambia to learn more ...

Tiffany blue, pale green, periwinkle: bird eggs come in a variety of stunning hues. Colorful, speckled eggshells always appeared to be a trait unique to avians — but researchers recently found a ...