The common cuckoo is a parasite, as are many of its cousins in the family Cuculidae ... but you can rest easy knowing that a 13-inch-long bird isn't going to try to take up residence in your ...

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 the same thing. Because cuckoos lay their eggs in the nest of a host ...