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NARMS taxon details
basis of record
Banks, R.C., R.W. McDiarmid, and A.L. Gardner. 1987. Checklist of vertebrates of the United States, the U.S. Territories, and Canada. U.S. Fish and Wildlife Service Resource Publication No. 166. 79 p. [details]
additional source
Robbins, C. S. (1983). Golden field Guide to Birds of North America. Golden press. 360p. [details]
additional source
Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
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