Birds habitat beaches, like gulls, loons, sandpipers, terns and pelicans. These nesters include species of albatrosses, petrels, skuas, gulls and terns. Seabirds also attack them from above, flocks of gannets, cormorants, terns and gulls. Gulls also compete with terns for nest sites. Many seabirds breed on the island, including Arctic terns and Arctic skuas. The marsh terns, Trudeau's tern and some Forster's terns nest in inland marshes. Laridae is a family of medium to large seabirds and includes gulls, terns and skimmers. The zoo has a Penguinarium which exhibits Humboldt penguins, Inca terns, and Grey gulls. Laridae is a family of medium to large seabirds, the gulls, terns, and skimmers. Laridae is a family of medium to large seabirds and includes gulls, terns, and skimmers. Fish in these bays are fed upon by diving terns and pelicans. Laridae is a family of both gulls and terns. It contains 30 species in 15 orders, mostly gulls and terns. These predators include fauna such as, seals, arctic terns and arctic skua. It also steals eggs from nesting colonies of Arctic terns.