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.

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.

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 ...

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 ...

The collector of this extremely rare nest and two red-speckled eggs provided very limited information about it, simply indicating: ‘this brown, very rare Timaliid, builds a looseleaf nest on the ...

Nov. 1 (UPI) --The spectrum of colors seen on modern bird eggs likely evolved from dinosaurs, a new study suggests. According to a new study published Wednesday in the journal Nature, non-bird ...

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

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Quail eggs are like fingerprints, a new study suggests. The creamy blue-and-brown speckled ...

Some dinosaurs laid colored, speckled and spotted eggs boasting exquisite hues of blue and brown, scientists said on Thursday, in a discovery that scrambles the notion that such exceptional traits ...

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 ...