Nesting populations of Double-crested Cormorants in the United States and Canada. Proceedings of the 1997 Symposium on Double-Crested Cormorants: Population Status and Management Issues in the Midwest. :17-25.. 1999.
Changes in heron and egret populations on the Laurentian Great Lakes and connecting channels, 1977-2009. Avian Conservation and Ecology.. 2015.
Distribution and abundance of nesting common and Caspian terns on the North American Great Lakes, 1976 to 1999. Journal of Great Lakes Research. 36(1):44-56.. 2010.
The Double-crested Cormorant in eastern and central North America: a summary of status and selected research. Cormorant Research Group Bulletin. 4:5-9.. 2000.
Population Trends of Ring-billed Gulls Breeding on the North American Great Lakes, 1976 to 2009. Waterbirds. 34(2):202-212.. 2011.