The brown-headed gull (Chroicocephalus brunnicephalus) is a medium-sized gull found in the Americas. It is a member of the family Laridae, which also includes other gulls, terns, and skimmers. Brown-headed gulls are typically 46-56 cm (18-22 in) in length, with a wingspan of 112-127 cm (44-50 in). They have a brown head, black bill, and white body. Brown-headed gulls are found in a variety of habitats, including coastal areas, lakes, and rivers. They are opportunistic feeders and will eat a variety of food items, including fish, insects, and small mammals.
Brown-headed gulls are an important part of the ecosystem. They help to control populations of small rodents and insects, and they are also a source of food for other animals, such as hawks and eagles. Brown-headed gulls are also a popular birdwatching species, and they can be seen in many parts of the world.