Engbring, J.; Ramsey, F. L. (1989) A 1986 survey of the forest birds of American Samoa. U.S. Fish and Wildlife Service, Pagopago. Publication Year 1989 Colonies Surveyed (5) American Samoa EEZ - Colony: Tutuila View Colony American Samoa EEZ - Colony: Tau View Colony American Samoa EEZ - Colony: Pola Island View Colony American Samoa EEZ - Colony: Olosega Island View Colony American Samoa EEZ - Colony: Ofu Island View Colony