Bonaparte's Gull (Chroicocephalus philadelphia)
Bonaparte’s Gulls live in bays, lakes, marshes, and rivers. They are the only gull that is known to regularly nest in trees. Their diet consists of insects, fish, crustaceans, and other invertebrates. Bonaparte’s Gulls have a wingspan of 29.9-31.5 in. and weigh 6.3-7.9 oz. Their call is a graty “keh-keh-keh.” They are protected on the US Migratory Bird list.