Sources

Ojo, E. and K. Omland. 2008. "Ornithorhynchus anatinus", Animal Diversity Web. December 15, 2011 http://animaldiversity.ummz.umich.edu/site/accounts/information/Ornithorhynchus_anatinus.html.

Johnson, George. "On Science: How does a Platypus hunt with its eyes Shut?." // St. Louis Beacon //. N.p., 27 May 2008. Web. 15 Dec 2011. .

"Description and Behaviour." // The Complete Platypus //. N.p., 05 March 2008. Web. 15 Dec 2011. .