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| Text Source: | Gerson, H. 1988a. Status Report on the Black Tern, Chlidonias niger, in Canada. COSEWIC. 56 pp. 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. |
| Ontario Map Source: | See text sources. |
| North American Map Source: | See text source. |
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| About the Species at Risk Module :: Glossary | Please send your comments to bio-ontario@rom.on.ca |
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