Research Bibliography
Found 2 results
Filters: Author is Morris, Ralph D. [Clear All Filters]
Population Trends of Ring-billed Gulls Breeding on the North American Great Lakes, 1976 to 2009. Waterbirds. 34:202-212.
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2011. Distribution and abundance of nesting common and Caspian terns on the North American Great Lakes, 1976 to 1999. Journal of Great Lakes Research. 36:44-56.
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2010.