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 ...

(CNN) — 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 ...

A new study, using the digitized scans of beaks from over 8,700 bird species, is shedding light on how evolution changes at different scales. While the general principles of evolution by natural ...

The shoebill may look like some kind of prehistoric muppet, but it's one of the fiercest birds in the animal kingdom. With a ...

The material a bird selects for its nest depends on the dimensions of its beak, according to researchers. Using data on nest materials for nearly 6,000 species of birds, a team based at the University ...

The authors hypothesize that, compared with the longer-beaked mountain-dwelling birds, the shorter beaks on campus birds might be better suited for a wider range diet of human food scraps. But in 2020 ...