Hailman, J. P. 1963. Herring gull extends breeding range south to North Carolina. 

 Auk 80:375-376. 



Hanpe, I.E., and H. Kolb. 1947. A preliminary list of the birds of Maryland 

 and the District of Columbia. Natur. Hist. Soc. Maryland, Baltimore. 80 pp. 



Harper, F. 1912. Observations in a laughing gull colony. Bird-Lore 14:204-209. 



Harris, M.P. 1964. Aspects of the breeding biology of the gulls Larus 

 argentatus , l^. fuscus and L^. marinus . Ibis 106:432-456. 



Harris, M.P. 1965. Food of some Larus gulls. Ibis 107:43-53. 



Hatch, J.J. 1970. Predators and piracy by gulls at a ternery in Maine. Auk 

 87:244-254. 



Hathaway, H.S. 1913. Notes on the occurrence and nesting of certain birds in 

 Rhode Island. Auk 30:545. 



Hawksley, 0. 1957. Ecology of a breeding population of Arctic terns. Bird- 

 Banding 28:57-92. 



Hawksley, 0., and J. Hawksley. 1949. Laughing gulls nesting off the coast of 

 Maine. Bull. Maine Audubon Soc. 5:77. 



Hays, H. 1965. Division and multiplication of the glossy ibis. Linnaean News- 

 letter 19:1-3. 



Hays, H. 1966a. Activity in some of the heron rookeries in the New York area. 

 Linnaean News-letter 19:1-2. 



Hays, H. 1966b. Night heron scatology. Linnaean News-letter 19:1-2. 



Hays, H.1969. Second nesting record of the Louisiana heron for New York State. 

 Kingbird 19:93-94. 



Hays, H. 1970. Great Gull Island report on nesting species, 1967-1968. Proc. 

 Linnaean Soc. N.Y. 71:105-118. 



Hays, H., and R.W. Ri sebrough.1972. Pollutant concentrations in abnormal young 

 terns from Long Island Sound. Auk 89:19-35. 



Heilbrun, L.H. 1970. Great Gull Island, its history and biology. Proc. Linnaean 

 Soc. N.Y. 71:55-79. 



Hetzel, C. , and N. Niosi. 1960 Breeding bird census of Brigantine National 

 Wildlife Refuge. Unpubl. Report, pp. 5-7. 



Hiatt, B.C. 1927. A study of great horned owls in the Delaware City heronry. 

 Cassinia 27:1-7. 



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