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 ...

From the almost perfectly spherical eggs of the brown hawk owl to the pointy eggs of the sandpiper, there is a surprising variety in the shape of bird eggs. Yet why birds lay different shaped eggs has ...

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 ...