When the cuckoo chick hatches ... brought by its foster parents—in the photo above, the provider is a reed warbler, a common host. Franka Slothouber, a retired photo editor who’s an avid ...

The species chosen by the cuckoo for this nannying job are widely varied, but over eighty percent of the foster parents are made up of reed warblers, meadow pipits and dunnocks. It may just be an ...