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Rickart, Eric A. "Mammalian Species." (1987): n. pag. Sciencesmith.edu. The American Society of Mammalologists. Web.
"Kansas Wildflowers and Grasses." Kansas Wildflowers and Grasses. N.p., n.d. Web. 30 Sept. 2014.
"All About Birds." Your Online Guide to Birds and Bird Watching. N.p., n.d. Web. 02 Oct. 2014.