The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
References
- 2009. "Aythya collaris" (On-line). Red List. Accessed March 20, 2010 at http://www.iucnredlist.org/apps/redlist/details/141543/0.
- Alisauskas, R., R. Eberhardt, C. Ankney. 1990. Nutrient reserves of breeding Ring-necked Ducks (Aythya collaris). Canadian Journal of Zoology, 68(12): 2524-2530. Accessed April 13, 2010 at http://rparticle.web-p.cisti.nrc.ca/rparticle/AbstractTemplateServlet?journal=cjz&volume=68&year=1990&issue=68&msno=z90-353&calyLang=eng.
- American Ornithologists's Union. 1998. Check-List of North American Birds (The Species of Birds of North America from the Arctic through Panama, Including the West Indies and Hawaiian Islands). 7th.ed.. Allen Press, Inc., Lawrence, Kansas, U.S.A..
- Anderson, W., S. Havera, B. Zercher. 2000. Ingestion of Lead and Nontoxic Shotgun Pellets by Ducks in the Mississippi Flyway. The Journal of Wildlife Management, 64(3): 848-857. Accessed April 16, 2010 at http://www.jstor.org/sici?sici=0022-541X%28200007%2964%3A3%3C848%3AIOLANS%3E2.0.CO%3B2-C&origin=ISI&cookieSet=1.
- Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes. 2003. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada
- Banks, R. C., R. W. McDiarmid, and A. L. Gardner. 1987. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. Resource Publication, no. 166. 79
- Bendell, B., D. McNicol. 1995. The diet of insectivorous ducklings and the acidification of small Ontario lakes. Canadian Journal of Zoology, 73(11): 2044–2051. Accessed March 20, 2010 at http://rparticle.web-p.cisti.nrc.ca.proxy.lib.umich.edu/rparticle/AbstractTemplateServlet?journal=cjz&volume=73&year=1995&issue=73&msno=z95-240&calyLang=eng.
- BirdLife International 2009. Aythya collaris
- Crook, S., W. Conway, C. Mason, K. Kraai. 2009. Winter Time-Activity Budgets of Diving Ducks on Eastern Texas Reservoirs. Waterbirds, 32(4): 548-558. Accessed April 13, 2010 at http://www.bioone.org/doi/full/10.1675/063.032.0408.
- Delgado, R.; R.G. Campos; J. Sánchez y Ch. Gómez. 1998. Lista de Aves de Costa Rica/ Checklist of Costa Rican Birds. ASOCIACION ORNITOLOGICA DE COSTA RICA. San José. Costa Rica. 28 p..
- Eberhardt, R., M. Riggs. 1995. Effects of sex and reproductive status on the diets of breeding Ring-necked Ducks (Aythya collaris) in north-central Minnesota. Canadian Journal of Zoology, 73(2): 392–399. Accessed March 20, 2010 at http://rparticle.web-p.cisti.nrc.ca.proxy.lib.umich.edu/rparticle/AbstractTemplateServlet?journal=cjz&volume=73&year=1995&issue=73&msno=z95-043&calyLang=eng.
- Elizondo, L.H. 1992. Especies de Aves Migratorias Neárticas en Costa Rica. Base de Datos de Biodiversidad, Instituto Nacional de Biodiversidad (INBio). Santo Domingo, Heredia. Costa Rica. 6 p. (mimeografiado).
- Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names. ix + 259
- Hohman, W. 1986. Changes in Body Weight and Body Composition of Breeding Ring-Necked Ducks (Aythya collaris). The Auk, 103(1): 181-188. Accessed April 13, 2010 at http://www.jstor.org/stable/pdfplus/4086978.pdf.
- Hohman, W., M. Weller. 1994. Body Mass and Composition of Ring-Necked Ducks Wintering in Southern Florida. The Wilson Bulletin, 106(3): 494-507. Accessed March 20, 2010 at http://www.jstor.org.proxy.lib.umich.edu/sici?origin=sfx%3Asfx&sici=0043-5643(199409)106%3A3%3C494%3ABMACOR%3E2.0.CO%3B2-P.
- Hohman, W., R. Crawford. 1995. Molt in the Annual Cycle of Ring-Necked Ducks. The Condor, 97(2): 473-483. Accessed March 20, 2010 at http://www.jstor.org.proxy.lib.umich.edu/sici?origin=sfx%3Asfx&sici=0010-5422(199505)97%3A2%3C473%3AMITACO%3E2.0.CO%3B2-L.
- Hohman, W., R. Eberhardt. 1998. "The Birds of North America Online" (On-line). The Birds of North America Online. Accessed March 09, 2010 at http://bna.birds.cornell.edu.proxy.lib.umich.edu/bna/species/329/articles/introduction.
- Jenkins, R. 1968. List of the Birds of The Interamerican Institute of Agricultural Sciences. Turrialba, Costa Rica. 10 p.
- Klimkiewicz and Futcher (1989) Longevity records of North American birds: Supplement I. J Field Ornithol, 60:469-494.
- Lewis, T.J. & F.G. Stiles.1980. Locational checklist of the birds of Costa Rica. Costa Rica Expeditions. San José, Costa Rica.
- Maxson, S., M. Riggs. 1996. Habitat Use and Nest Success of Overwater Nesting Ducks in Westcentral Minnesota. The Journal of Wildlife Management, 60(1): 108-119. Accessed April 13, 2010 at http://www.jstor.org/sici?sici=0022-541X%28199601%2960%3A1%3C108%3AHUANSO%3E2.0.CO%3B2-1&origin=ISI.
- McCracken, K., A. Afton, M. Peters. 2000. Condition bias of hunter-shot ring-necked ducks exposed to lead. Journal of Wildlife Management, 64(2): 584-590. Accessed April 13, 2010 at http://www.jstor.org/stable/3803256?seq=1.
- Noseworthy, S., W. Threlfall. 1978. Some Metazoan Parasites of Ring-Necked Ducks, Aythya collaris (Donovan), from Canada. The Journal of Parasitology, 64(2): 365-367. Accessed March 20, 2010 at http://www.jstor.org.proxy.lib.umich.edu/sici?origin=sfx%3Asfx&sici=0022-3395(1978)64%3A2%3C365%3ASMPORD%3E2.0.CO%3B2-I.
- Olsen, J., M. Perry. 1997. Watershield Use by Ring-Necked Ducks. Northeastern Naturalist, 4(3): 197-204. Accessed March 20, 2010 at http://www.jstor.org.proxy.lib.umich.edu/sici?origin=sfx%3Asfx&sici=1092-6194(1997)4%3A3%3C197%3AWUBRD%3E2.0.CO%3B2-R.
- Sibley, Ch. and B. Monroe, Jr.. 1990. Distribution and Taxonomy of Birds of the World. Yale University Press. New Haven & London. 1111 p.
- Slud, P. 1964. The birds of Costa Rica: Distribution and Ecology. Bulletin of The American Museum of Natural History 128: 5-430
- Stiles, F.G. & A. F.Skutch. 1995. Guía de Aves de Costa Rica.Traducción al Español: Loretta Rosselli. Ilustrado por Dana Gardner. Instituto Nacional de Biodiversidad (INBio). Heredia, Costa Rica. 580 p.
- Stiles, F.G. 1983. Checklist of birds. Pp. 530-544, In: D.H. Janzen (ed.). Costa Rican Natural History. University of Chicago Press, Chicago.
- Torrence, S., M. Butler. 2006. Spatial structure of a diving duck (Aythya, Oxyura) guild: hwo does habitat structure and competition influence diving duck habitat use within northern prairie wetlands. Canadian Journal of Zoology, 84(9): 1358-1367. Accessed April 13, 2010 at http://proquest.umi.com/pqdlink?vinst=PROD&fmt=6&startpage=-1&ver=1&clientid=17822&vname=PQD&RQT=309&did=1189227701&exp=04-14-2015&scaling=FULL&vtype=PQD&rqt=309&TS=1271370083&clientId=17822.
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