Breeding distribution of the Dickcissel in the United States and Canada, based on Breeding Bird Survey data, 1985-1991.
Scale represents average number of individuals detected per route per year.
Map from Price, J., S. Droege, and A. Price. The summer atlas of North American birds. Academic Press, London, England. A table near the end of the account lists the specific habitat characteristics for Dickcissels by study. Haylands with a high forb component, especially legumes, attract high nesting densities of Dickcissels.