The term for a group of birds is a "flock." Flocks can vary greatly in size and are often composed of the same species, but they can sometimes include different types of birds. Birds flock for various reasons, including safety in numbers, foraging for food, and social interaction. Flocking behavior is advantageous, as it can help protect members from predators and increase the efficiency of finding food. In addition to flocks, other specific terms describe groups of birds, depending on the species, such as a murmuration of starlings or a parliament of owls.