(i) Pennsylvania Sea Grant factsheet on botulism: http://www.pserie.psu.edu/publications/fs/Botulism_12-2003.pdf
Citation:
Pennsylvania Sea Grant and Penn State Erie. 2003. Botulism Factsheet: http://www.pserie.psu.edu/publications/fs/Botulism_12-2003.pdf.
(ii) Canadian Cooperative Wildlife Health Centre website on botulism: http://wildlife1.usask.ca/wildlife_health_topics/botulism/botulisme.php
Citation:
Leighton, F.A. Wildlife Health Topics, “Botulism”. Canadian Cooperative Wildlife Health Centre (CCWHC), March 2000, http://wildlife1.usask.ca/wildlife_health_topics/botulism/botulism.php (accessed December 2006).
(iii) Mortality figures from internal databases maintained by the USGS - National Wildlife Health Center. Estimate totals compiled in February, 2007.
(iv) Sleeping Bear Dunes mortality estimates supplied via personal communication with Ken Hyde, Sleeping Bear Dunes National Lakeshore, 1 March 2007. http://www.nps.gov/slbe
(v) Michigan DEQ website on botulism: http://www.michigan.gov/dnr/0,1607,7-153-10370_12150_12220-26493--,00.html
Citation:
Michigan State Department of Natural Resources. Michigan Wildlife Disease Manual, "Botulism". State of Michigan, 2001-2006, http://www.michigan.gov/dnr/0,1607,7-153-10370_12150_12220-26493--,00.html (accessed December 2006).
(vi) Kaufmann, O.W. and L.D. Fay. 1964. Clostridium botulinum type E toxin in tissues of dead loons and gulls. Michigan State University Agricultural Experiment Station Quarterly Bulletin. 47(2):236-242.
(vii) Environment Canada, Prairie and Northern Region website’s page on Type C avian botulism: http://www.pnr-rpn.ec.gc.ca/nature/migratorybirds/avianb/dc22s00.en.html
Citation:
Avian Botulism Task Force. Avian Botulism. Environment Canada, Prairie and Northern Region, 27 November 2006, http://www.pnr-rpn.ec.gc.ca/nature/migratorybirds/avianb/dc22s00.en.html (accessed December 2006).
(viii) NY DEC website’s botulism FAQ: http://www.dec.state.ny.us/website/dfwmr/faqbotu.html
Citation:
New York State Department of Environmental Conservation. Type E Botulism in Lakes Erie and Ontario - Q & A, http://www.dec.state.ny.us/website/dfwmr/faqbotu.html (accessed December 2006).
(ix) NY-PA-OH Sea Grant website on botulism
Citation:
New York, Pennsylvania and Ohio Sea Grant. NY/PA/OH Sea Grant: Botulism in Lakes Erie, Ontario, 30 November 2006 (accessed December 2006).
(x) USGS National Wildlife Health Center website on avian botulism: http://www.nwhc.usgs.gov/disease_information/avian_botulism/index.jsp
Citation:
USGS National Wildlife Health Center. Disease Information, "Avian Botulism,” 7 November 2006, http://www.nwhc.usgs.gov/disease_information/avian_botulism/index.jsp (accessed December 2006).
(xi) Michigan Sea Grant web page on avian botulism: http://www.miseagrant.umich.edu/habitat/avian.html
Citation:
Michigan Sea Grant. Avian Botulism, 30 January 2007, http://www.miseagrant.umich.edu/habitat/avian.html (accessed February 2007).