When I was teaching ornithology, there were several questions that my students would invariably ask at some point during the academic term. One was why are robin eggs blue? Even Charles Darwin ...

It seems like everyone has eggs on the brain these days. Whether it's due to the protein-laden item's rising prices or the ominous bird flu that's affecting poultry, people across the country are ...

Brown eggs and white eggs are the same. The brown hue of the shell is the only thing that separates them. Hens that lay brown eggs are generally larger and therefore eat more, increasing the cost of ...

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 choice ...

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 ...

Dinosaur eggs had the blues. Pigments detected in 66-million-year-old eggs from China suggest that the shells came in intense shades of bluish-green, scientists report online May 15 in PeerJ Preprints ...