|Text Source:|| Austen, M.J., M.D. Cadman and R.D. James. 1994. Ontario Birds at Risk: Status and Conservation Needs. Federation of Ontario Naturalists and Long Point Bird Observatory, Ontario. 165 pp.
Bull, J. and J. Farrand. 1977. The Audubon Society Field Guide to North American Birds, Eastern Region. Knopf, New York. 775 pp.
Cadman, M.D. 1991. Status Report on the Loggerhead Shrike (Eastern population), Lanius ludovicianus. COSEWIC. 26 pp.
|Ontario Map Source:||See Austen et al. and Cadman under text sources.|
|North American Map Source:||See Austen et al. under text sources.|
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