Eggheads everywhere might need to reconsider the shape of their skulls’ silhouettes. It turns out what we think of as egg-shaped may be a little off. To understand this diversity, Stoddard and her ...

Birds lay eggs of surprising variety, and scientists have long wondered why. Could it be that certain shapes protect eggs from shattering? Or perhaps allow them to fit snugly in a nest? Or was ...

Q. I saw a photo of different kinds of bird eggs and noted not only the obvious, that smaller birds lay smaller eggs, but also that some bird eggs are elongate whereas others are more rounded. What is ...

When Mary Caswell Stoddard started measuring bird eggs from hundreds of species, she wasn’t expecting to learn that most eggs are not egg-shaped. Think about an egg and you’ll probably conjure up an ...