Hamilton, R. B. 1971. The changing seasons; the winter season: December 1, 

 1970-March 31, 1971; Central Southern Region. Am. Birds 25: 588-593. 



. 1974. The changing seasons; the winter season: December 1, 1973-March 



31, 1974; Central Southern Region. Am. Birds 28: 645-653. 



. 1975. The changing seasons; the winter season: December 1, 1974-March 



31, 1975; Central Southern Region. Am. Birds 29: 700-705. 



. 1976. The changing seasons; the winter season: December 1, 1975-March 



31, 1976; Central Southern Region. Am. Birds 30: 728-732. 



. 1977. The changing seasons; the winter season: December 1, 1976— 



February 28, 1977; Central Southern Region. Am. Birds 31: 339-343. 



. 1978. The changing seasons; the winter season: December 1, 197 7 — 



February 28, 1978; Central Southern Region. Am. Birds 32: 361-365. 



. 1979. The changing seasons; the winter season: December 1, 197 8— 



February 28, 1979; Central Southern Region. Am. Birds 33: 287-290. 



Hansen, S. G. 1978c. Storrelse og facon pa den Skallesluges ( Mergus m. mer- 

 ganser ) fodeemnerisaer fisk. [Size and shape of the food items — especi- 

 ally fish — of the Goosander ( Mergus m. merganser ) . ] Dan. Fugle 30: 156- 

 159. [In Danish with English summary.] 



Hardy, A. V. 1974. The climate of North Carolina. Pp. 281-299 Jji National 



Oceanic and Atmospheric Administration, U.S. Dept . Commerce. Climates of 

 the states. Vol. I — eastern states. Water Information Center Inc., Port 

 Washington, NY. 486 pp. 



Harmon, B. G. 1962. Mollusks as food of Lesser Scaup along the Louisiana 

 coast. Trans. N. Am. Wildl. Conf. 27: 132-137. 



Harrington-Tweit , B. 1979. A seabird die-off on the Washington coast in mid- 

 winter 1976. Western Birds 10: 49-56. 



Harrison, J. R. (ed.). 1975. [Note on White-winged Scoter distribution.] 

 Chat 39: 57. 



Harrison, J. and W. F. A. Buck. 1968. The second winter survey following the 

 Medway oil pollution of 1966. Wildfowler's Association of Great Britain 

 and Ireland Annual Report & Yearbook, 1967-1968, 1968-1971. 



Hartung, R. 1963. Ingestion of oil by waterfowl. Pap. Mich. Acad. Sci., 

 Arts, & Letters 48: 49-55. 



Hartung, R. and G. S. Hunt. 1966. Toxicity of some oils to waterfowl. J. 

 Wildl. Manage. 30: 564-570. 



Hasbrouck, E. M. 1944. Apparent status of the European Widgeon in North 

 America. Auk 61: 93-104. 



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