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Colony selection and colony site tenacity in Ring-billed Gulls at a stable colony. The Auk. 94:469-478.. 1977.
Colony selection, longevity, and Ring-billed Gull populations: preliminary discussion. Bird-Banding. 38:52-60.. 1967.
Caspian Tern and Black Skimmer in Newfoundland. The Wilson Bulletin. 71:385-386.. 1959.