In her new book about cuckoos, Cynthia Chris details the extensive history of everyone's favorite feathery brood parasite.

They mimic the look of the eggs of their hosts. In some birds, such as cuckoo finches, this egg coloration trait is passed from mothers to daughters: Female cuckoo finches mimic the eggs that ...

A lot of us will change our wardrobe to fit into a crowd, and the brood parasite known as the cuckoo has used evolution to do ...

Bronze-cuckoo chicks, like the one on the right ... They looked at the practice of cuckoos laying their eggs in the nests of small songbirds. Some bronze-cuckoos had evolved to look more like ...