The unusually long, oval egg of the Indonesian maleo may look a lot like a potato, but this bird is no slouch. When the chicks of these anvil-headed animals hatch, they're almost immediately able to ...

Scientists may have finally discovered a sort of "Grand Unified Hypothesis" that explains what may determine the plethora of diverse egg shapes for all bird species A newly published study indicates ...

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 ...