This marsh warbler has a cuckoo chick in its nest. It was unable to differentiate between the cuckoo egg and the rest of the eggs in its nest, researchers say. (Per Harald Olsen, NTNU) Female cuckoos ...

It seems like birds would want to hide their eggs, but there are hundreds of species that lay blue to blue-green eggs. Thanks ...

Dear Pet Talk: I don’t have pets but keep active birdfeeders, so all the birds are my “pets in the wild.” Why do robins lay blue eggs? — Bird Lover Dear Bird Lover: I concur with you about wild birds ...

Birds have evolved to fit particular environments. Eggs have evolved along with the birds. The eggs that birds will lay this spring will vary in shape and color to facilitate successful hatching in a ...

For roughly a century, researchers have been trying to figure out how different female cuckoos manage to lay such a variety of different egg colors to match different host birds. Now, a group of ...

Curious researchers from the University of Lodz wanted to know if there were any substantial differences between eggs laid by city-dwelling blue tits and their forest-dwelling counterparts. To learn ...

I found these blue eggs at Costco but do they taste any better than regular eggs? Find out in this quick short!

The world has witnessed white or brown-colored, chicken eggs as farm-processed, pastured-eggs or organic eggs generally, but an unusual discovery has sparked buzz. A rare incident in Davangere ...

Recently, Mrs. Jackson’s second-grade class at Two Mile Prairie Elementary asked why chickens lay different colored eggs. These students were lucky enough to have their own school chicken coop and ...

It may seem as simple as just that. An egg. The food that Atkins and Paleo diets made popular once again. The food that draws one of many dividing lines between vegetarians and vegans. But this ...