When it comes to bird eggs, most people imagine the standard brown or white varieties. However, nature has a surprise in ...

Cuckoos are nest parasites, meaning they lay their eggs in other birds' nests. The female cuckoo has to lay eggs that mimic the color, size and shape of the eggs of the host bird. Using a massive ...

Easter Egg. The First Colored Eggs Appeared Long Before Easter The dinosaur ancestors of birds laid blue, brown, and speckled eggs as far back as 150 million years ago.