Dark-eyed junco songbirds have been serenading the University of California, Los Angeles campus for decades as they forage for food. The species from the sparrow family is not usually found in cities.

A 67-million-year-old bird skull has overturned an established theory about how modern birds evolved. Unlike most modern birds, the flightless group that includes ostriches and emus can’t move their ...

Birds are admired for their beauty, songs and flight. But in the wild a beak is far more than a feeding tool as it is a weapon of survival. For some species their beaks are strong enough to crush ...