1. Niche relationships among six species of shorebirds on their wintering and breeding ranges;Baker;Ecology,1973
2. Gulls, shorebirds and alcids of Kandalaksha Bay;Bianki,1967
3. Weather-dependent foraging of Great Blue Herons (Ardea herodias);Bovino;Auk,1979
4. Breeding laughing gulls return to Long Island;Buckley;Kingbird,1978