When it comes to sleep, birds do some weird things that are very different from what you and I do.
Even when we can’t see birds, we can usually hear them. This article explores the structure and functions of the vocal sounds of birds.
Migration is one of the most amazing things about birds—their seemingly miraculous feats of orientation and endurance on long-distance, annual flights.
The forms and consequences of competition between bird species, in other words: interspecific competition.
The remarkable behavioral and anatomical features of hummingbirds are the same things that make them so endearing to us.