Birds like crows and cuckoos sometimes have eggs in their stomachs — but only because they eat the eggs of other species.

How does a bird carry an egg?

Yes, some bird species may relocate their eggs if they feel that the original nesting site is no longer safe. Birds that relocate their eggs typically carry them in their beaks or in a special throat pouch, depending on the size of the eggs.

Can birds carry eggs while flying?

The large size of a egg makes it difficult for the female to retain more than a single one egg at a time - carrying eggs would make flying harder and require more energy.