What Do Cardinal Eggs Look Like? There are a few ways to identify Northern cardinal eggs. First, look at their general color. The eggs of these birds come in hues of off-white, such as grayish white ...

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 ...

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 ...

Why are some bird eggs blue and some speckled? Location, location, location Blue or speckled, tiny or large, bird eggs fit nature's design.

Though a plain-looking, brown-speckled bird, this rare thrush is a prime target of New York City’s birdwatchers—but its identification poses a challenge.

When it comes to buying eggs, you likely have a preferred type based on your specific needs, whether it's large, extra-large, jumbo, or even a preference for brown or white eggs. For many, this ...

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 ...

But the reddish-brown speckles on eggs don't require calcium at all—they are made mostly from protoporphyrins—by-products of blood synthesis.

Quail eggs are like fingerprints, a new study suggests. The creamy blue-and-brown speckled eggs, splashed like a toddler's art project, vary among birds but are consistently patterned for individuals.

In spite of their diversity, bird eggs derive their color from just two pigments: protoporphyrin, which produces a reddish-brown color, and biliverdin, which creates blue and green.

TEANECK — A small migratory bird has found an unusual place to make her nest: near the south goal of an artificial turf soccer field in the township’s busiest park. The killdeer, a brown bird ...

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 ...