News Life

Flight demands may have steered the evolution of bird egg shape

Elongated, asymmetrical forms are common among strongest fliers

eggs

EGG DIVERSITY  Bird eggs vary greatly in shape, size and color. In a new analysis, researchers look for links between egg shape and birds’ traits and lifestyles.

Harvard Museum of Comparative Zoology

By Laurel Hamers

- More than 2 years ago

The mystery of why birds’ eggs come in so many shapes has long been up in the air.