When the cuckoo chick hatches, it ejects other eggs or hatchlings to get all the space—and food—for itself. Hungry as a whole brood, the outsize baby devours everything brought by its foster ...

Cuckoo spit - so named because it appears in spring when the cuckoo first calls - acts as protection, or bubble wrap, for the baby froghopper. Also known as a nymph, the baby froghopper taps into the ...

“Cuckoo” leans into the reliable horror trope that powered such classics as “Rosemary’s Baby”; that is, the woman who knows something is amiss, but no one believes her. This ...

The yellow-billed cuckoo is sometimes called the "rain crow" because its song is often heard just before thunderstorms or summer showers. But this rare bird raises its voice less and less often in ...

The yellow-billed cuckoo is sometimes called the "rain crow" because its song is often heard just before thunderstorms or summer showers. But this rare bird raises its voice less and less often in ...