This story appears in the January 2018 issue of National Geographic magazine. For the care and feeding of its offspring, the common cuckoo outsources. When she’s ready to lay an egg, a female ...

Mysterious, elusive, and full of surprises, this bird's behaviour will leave you questioning everything you thought you knew ...

But this rare bird raises its voice less and less often in western North America, where it has been eradicated from most of its riparian habitat. The cuckoo was once a common species from Lake ...