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 ...

Next time you see a bird in San Francisco, there’s a decent chance it’ll be a crow. But that wasn’t always the case. As recently as the 1990s, those chances would have been slim to none.