Why do beavers build dams?

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  • "Beaver Biology." Beaver Solutions. http://www.beaversolutions.com/about_beaver_biology.asp
  • "Eager beavers give estate a dam." BBC News. June 15, 2008. http://news.bbc.co.uk/2/hi/uk_news/england/devon/7455673.stm
  • "How Beaver Problems Develop." King County. April 11, 2008. http://www.kingcounty.gov/environment/animalsAndPlants/beavers/problems-develop.aspx
  • "Solving Problems with Beavers." The Humane Society of the United States. http://www.hsus.org/wildlife/urban_wildlife_our_wild_neighbors/solving_problems_with_your_wild_neighbors/solving_problems_with_beavers.html
  • "The Beaver." Beavers: Wetlands & Wildlife. http://www.beaversww.org/beaver.html
  • Fall, Samuel. "Beaver Pictures & Facts." 2007. http://fohn.net/beaver-pictures-facts/
  • Grannes, Steven G. "Beaver Dam Information." Jan. 14, 2008. http://www.beaverdam.info/
  • Vantassel, Stephen, et al. NebGuide. Controlling Beaver Damage. University of Nebraska-Lincoln Extension, Institute of Agricultural and Natural Resources. http://www.ianrpubs.unl.edu/epublic/pages/publicationD.jsp?publicationId=47
  • Wachtel, Beverly. "Beaver Dam." Earth & Sky Teachers Center. http://www.earthsky.org/teachers/article/beaver-dam
  • Waubaugh National Wildlife Refuge and Wetland Management District. U.S. Fish & Wildlife Service. http://www.fws.gov/waubay/terms_definitions.htm