For the care and feeding of its offspring, the common cuckoo outsources ... Hungry as a whole brood, the outsize baby devours everything brought by its foster parents—in the photo above ...

The sound imitates the call of the Common Cuckoo, a summer migrant between Europe and Asia, about the size of a sparrowhawk. The first known reference to the call was written in Middle English in ...

The cuckoo was once a common species from Lake Washington in Seattle to the San Pedro River in southern Arizona and countless places in between. Today, with the loss of gallery riparian forests to ...