American crows and ravens are strikingly similar, and many tend to assume they are the same. Crows and ravens differ significantly in behavior, habitat, and physical characteristics. Due to their ...

Crows and ravens are often confused with each other. In comparison, there are enough similarities in physical features and terminology to believe that these birds are, in fact, the same.

Can a crow—or any bird—make decisions of this sort? Researchers studying crows, ravens, and other corvids (the family of songbirds that includes crows, jays, rooks, magpies, and others ...

Most drones on the market are rotary-wing quadcopters, which can conveniently land and take off almost anywhere. The problem is they are less energy-efficient than fixed-wing aircraft, which can fly ...