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 ...

The eggs of amniotes - mammals, reptiles and birds – come in a remarkable variety of shapes and sizes. Evolutionary biologists have now addressed shape variety in terrestrial vertebrates' eggs, ...

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 ...