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 ...

Red-winged blackbirds lay pale blue-green to gray eggs with black or brown markings in their marsh nests. Other local nesters with some blue-tinted eggs include house finches and gray catbirds.

Have you ever wondered why some birds' eggs are speckled? Scientists have long wondered the same thing. The most common hypothesis is that the speckles help camouflage eggs, making them harder for ...

Quail eggs are small, speckled eggs laid by quails, a type of small game bird found worldwide. Despite their tiny size, quail ...

Most perching birds lay eggs speckled with reddish protoporphyrin spots toward the egg's blunt end. Evidence in a paper by Gosler, Higham &amp; Reynolds soon to appear in <i>Ecology Letters</i ...

Smithsonian Handbook of Interesting Bird Nests and Eggs Bird lovers can admire the artistry and beauty of bird nests and eggs with strikingly sharp images of more than 100 specimens.

Have you ever wondered why some birds' eggs are speckled? Scientists have long wondered the same thing. The most common hypothesis is that the speckles help camouflage eggs, making them harder for ...

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 ...

Quail camouflage their eggs according to their unique pattern, picking lighter sand for less-speckled eggs and darker sand for eggs with more splotches.

The rainbow of hues seen in modern bird eggs probably evolved in birds’ dinosaur ancestors, which had eggs with colorful and speckled shells. That’s according to a new study of fossil eggs in the ...

Most perching birds lay eggs speckled with reddish protoporphyrin spots toward the egg's blunt end. Evidence in a paper by Gosler, Higham & Reynolds soon to appear in Ecology Letters suggests that ...