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 ...

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 ...

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 ...

As we enter summer and more people are looking at raising backyard chickens, they may be curious why chicken eggs can be different colors. Most eggs are white or brown, but they also come in other ...