Breeding distribution of the American Bittern in the United States and Canada, based on Breeding Bird Survey data, 1985-1991.
Scale represents average number of individuals gtected per route per year.
Map from Price, J., S. Droege, and A. Price. The summer atlas of North American birds. Academic Press, London, England. Keys to management include protecting wetlands and adjacent uplands and reducing grazing of uplands. American Bitterns breed from southern Manitoba, southern Ontario, and southern New Brunswick, south to southern Texas and southern Florida, and east to the East Coast.